VVB 11.6綜合呼叫流程技術說明
目錄
簡介
本檔案介紹思科虛擬化語音瀏覽器(VVB)上的訊息流程以及全面之通話流程。
必要條件
本文件沒有特定需求。
採用元件
- VVB版本11.6
- 思科整合客戶語音入口網站(CVP)版本11.6
本文中的資訊是根據特定實驗室環境內的裝置所建立。文中使用到的所有裝置皆從已清除（預設）的組態來啟動。如果您的網路運作中，請確保您瞭解任何指令可能造成的影響
背景資訊
呼叫流：
入口網關> CVP >智慧聯絡人管理(ICM)>返回VRU標籤> CVP > VVB
如圖所示，它是綜合呼叫流。
如圖所示，本檔案將更著重說明訊息的VVB部分。
VVB消息
步驟1. VVB從CVP接收SIP INVITE並完成交換SIP消息。
256317: Oct 23 10:10:36.668 AEST %MIVR-JASMIN-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] NEW_CALL, GUCID=B42C468000010000000000650851430A; GUID=3022800512-0000065536-0000000101-0139543306; CallId=B42C468000010000000000650851430A-150871535521622@10.66.75.49; URI=sip:888811111139@10.66.75.62;transport=tls 256334: Oct 23 10:10:36.719 AEST %MIVR-JASMIN-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] SIP-ltp92-88881111*, State=ALERTED: Sending 200 OK response. 256335: Oct 23 10:10:36.785 AEST %MIVR-JASMIN-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] SIP-ltp92-88881111*, State=ALERTED: Processing ACK
步驟2. VVB從本地讀取bootstrap.vxml。
256398: Oct 23 10:10:36.794 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: file:/opt/cisco/uccx/Documents/System/bootstrap.vxml 256401: Oct 23 10:10:36.795 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.001, URI: file:/opt/cisco/uccx/Documents/System/bootstrap.vxml
步驟3. VVB將CALL_NEW傳送到CVP。
然後CVP傳送至ICM:REQUEST_INSTRUCTION,ICM然後將應用資訊傳遞給CVP。
256469: Oct 23 10:10:36.809 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Browser.makeRequest(): got encoded uri=http://10.66.75.49:7000/CVP/Server?MSG_TYPE=CALL_NEW&CALL_DNIS=888811111139&CALL_ANI=sip%3A60006099%4010.66.75.49%3A5061%3Btransport%3Dtls&ERROR_CODE=0&RECOVERY_VXML=crtp%3A%2FSDocuments%2FRecovery.vxml&CLIENT_TYPE=IOS&CALL_ID=B42C468000010000000000650851430A&CALL_LEGID=B42C468000010000000000650851430A-150871535521622%4010.66.75.49&CALL_UUI=&VERSION=Voice_Browser_11_6&PRIMARY=10.66.75.49
資料包捕獲： [PSH，ACK] VVB到CVP（7000埠）
GET /CVP/Server?MSG_TYPE=CALL_NEW&CALL_DNIS=888811111139&CALL_ANI=sip%3A60006099%4010.66.75.49%3A5061%3Btransport%3Dtls&ERROR_CODE=0&RECOVERY_VXML=crtp%3A%2FSDocuments%2FRecovery.vxml&CLIENT_TYPE=IOS&CALL_ID=B42C468000010000000000650851430A&CALL_LEGID=B42C468000010000000000650851430A-150871535521622%4010.66.75.49&CALL_UUI=&VERSION=Voice_Browser_11_6&PRIMARY=10.66.75.49 HTTP/1.1 User-Agent: Cisco Voice Browser/1.0 (Cache activated) Accept: text/vxml, application/vxml, application/vxml+xml, *; q=.2, */*; q=.2 Host: 10.66.75.49:7000 Connection: keep-alive
VVB收到200 OK FOR FETCH: [PSH，ACK] CVP（7000埠）至VVB
256475: Oct 23 10:10:36.853 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP 200 OK
資料包捕獲：
HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Transfer-Encoding: chunked Date: Sun, 22 Oct 2017 23:35:55 GMT
VVB成功獲取，並獲取CVP應用程式資訊
src="http://10.66.75.48:7000/CVP/en-us/../Server" namelist="application callid _dnis _ani " <var name="application" expr="'HelloWorld'"
256479: Oct 23 10:10:36.853 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.044, URI: http://10.66.75.49:7000/CVP/Server?MSG_TYPE=CALL_NEW&CALL_DNIS=888811111139&CALL_ANI=sip%3A60006099%4010.66.75.49%3A5061%3Btransport%3Dtls&ERROR_CODE=0&RECOVERY_VXML=crtp%3A%2FSDocuments%2FRecovery.vxml&CLIENT_TYPE=IOS&CALL_ID=B42C468000010000000000650851430A&CALL_LEGID=B42C468000010000000000650851430A-150871535521622%4010.66.75.49&CALL_UUI=&VERSION=Voice_Browser_11_6&PRIMARY=10.66.75.49
CVP傳送VXML文檔： [ACK]CVP（7000埠）至VVB
256480: Oct 23 10:10:36.856 AEST %MIVR-SS_VB-7-UNK:Content of VXML Document:
<?xml version="1.0" encoding="iso-8859-1"?>
<vxml version="2.0">
<var name="MSG_TYPE" expr="'CALL_RESULT'" />
<var name="CALL_ID" expr="'B42C468000010000000000650851430A'" />
<var name="CALL_SEQ_NUM" expr="1" />
<var name="ERROR_CODE" expr="0" />
<var name="CALLCED" />
<var name="FROM_EXTVXML0" />
<var name="FROM_EXTVXML1" />
<var name="FROM_EXTVXML2" />
<var name="FROM_EXTVXML3" />
<var name="PODID" />
<var name="DEBUG" expr="1" />
<property name="com.cisco.media-logging-id" value="'B42C468000010000000000650851430A'" />
<property name="fetchaudiodelay" value="2s" />
<property name="fetchaudiominimum" value="5s" />
<form id="GS" scope="dialog">
<property name="com.cisco.tts-server" value="rtsp://tts-en-us/synthesizer"/>
<property name="com.cisco.asr-server" value="rtsp://asr-en-us/recognizer"/>
<var name="application" expr="'HelloWorld'"/>
<var name="callid" expr="'B42C46800001000000000065085143'"/>
<var name="_dnis" expr="'7001'"/>
<var name="_ani" expr="'60006099'"/>
<subdialog name="Server" src="http://10.66.75.48:7000/CVP/en-us/../Server" namelist="application callid _dnis _ani ">
<filled>
<assign name="document.FROM_EXTVXML0" expr="Server.FromExtVXML0"/>
<assign name="document.FROM_EXTVXML1" expr="Server.FromExtVXML1"/>
<assign name="document.FROM_EXTVXML2" expr="Server.FromExtVXML2"/>
<assign name="document.FROM_EXTVXML3" expr="Server.FromExtVXML3"/>
<assign name="document.PODID" expr="Server.PodId"/>
<assign name="document.CALLCED" expr="Server.caller_input"/>
<if cond="Server.caller_input == 'system_unavailable'">
<assign name="ERROR_CODE" expr="40"/>
<elseif cond="Server.caller_input == 'app_error'"/>
<assign name="ERROR_CODE" expr="41"/>
<elseif cond="Server.caller_input == 'app_hangup'"/>
<assign name="ERROR_CODE" expr="42"/>
<elseif cond="Server.caller_input == 'suspended'"/>
<assign name="ERROR_CODE" expr="43"/>
<elseif cond="Server.caller_input == 'no_session_error'"/>
<assign name="ERROR_CODE" expr="44"/>
</if>
<goto next="#TrySubmit"/>
</filled>
</subdialog>
<!-- Event Handling -->
<catch event="telephone.disconnect.hangup">
<assign name="ERROR_CODE" expr="1"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="connection.disconnect.hangup">
<assign name="ERROR_CODE" expr="1"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="telephone.disconnect">
<assign name="ERROR_CODE" expr="1"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="connection.disconnect">
<assign name="ERROR_CODE" expr="1"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="error.badfetch">
<assign name="ERROR_CODE" expr="9"/>
<if cond="DEBUG == '1'">
<log> Media Fetch Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event="com.audium.error.badfetch">
<assign name="ERROR_CODE" expr="45"/>
<if cond="DEBUG == '1'">
<log> Media Fetch Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event="error.semantic">
<assign name="ERROR_CODE" expr="10"/>
<if cond="DEBUG == '1'">
<log> Semantic Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.unsupported.format">
<assign name="ERROR_CODE" expr="11"/>
<if cond="DEBUG == '1'">
<log> Unsupported Format Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.unsupported.element">
<assign name="ERROR_CODE" expr="12"/>
<if cond="DEBUG == '1'">
<log> Unsupported Element Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event="nomatch">
<assign name="ERROR_CODE" expr="16" />
<goto next="#TrySubmit"/>
</catch>
<noinput>
<assign name="ERROR_CODE" expr="17" />
<goto next="#TrySubmit"/>
</noinput>
<catch event="com.cisco.isn.session.disconnect.abnormal">
<assign name="ERROR_CODE" expr="27"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="telephone.disconnect.hangup.forced">
<assign name="ERROR_CODE" expr="27"/>
<goto next="#TrySubmit"/>
</catch>
<catch event = "com.cisco.isn.session.disconnect.error">
<assign name="ERROR_CODE" expr="28"/>
<goto next="#TrySubmit"/>
</catch>
<catch event="error.unsupported.language">
<assign name="ERROR_CODE" expr="30"/>
<if cond="DEBUG == '1'">
<log> Unsupported Language Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.com.cisco.media.resource.unavailable.asr">
<assign name="ERROR_CODE" expr="31"/>
<if cond="DEBUG == '1'">
<log> ASR Media Resource Unavailable Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.com.cisco.media.resource.unavailable.tts">
<assign name="ERROR_CODE" expr="32"/>
<if cond="DEBUG == '1'">
<log> TTS Media Resource Unavailable Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.com.cisco.media.resource.failure.asr">
<assign name="ERROR_CODE" expr="31"/>
<if cond="DEBUG == '1'">
<log> ASR Media Resource Failure Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.com.cisco.media.resource.failure.tts">
<assign name="ERROR_CODE" expr="32"/>
<if cond="DEBUG == '1'">
<log> TTS Media Resource Failure Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error.com.cisco.media.resource">
<assign name="ERROR_CODE" expr="33"/>
<if cond="DEBUG == '1'">
<log> General Media Resource Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
<catch event = "error">
<assign name="ERROR_CODE" expr="34"/>
<if cond="DEBUG == '1'">
<log> General Error: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="#TrySubmit"/>
</catch>
</form>
<form id="TrySubmit">
<var name="TryNum" expr="1" />
<var name="MaxTries" expr="1" />
<!--Event Handling -->
<catch event="error.badfetch">
<if cond="TryNum == MaxTries">
<if cond="DEBUG == '1'">
<log> Error: Exceeded Retries to Application Server. Going to Recovery VXML: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="crtp:/SDocuments/Recovery.vxml"/>
</if>
<assign name="TryNum" expr="TryNum + 1"/>
<if cond="DEBUG == '1'">
<log> Retrying Application Server: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<submit next= "/CVP/Server"
namelist="MSG_TYPE CALL_ID CALL_SEQ_NUM ERROR_CODE CALLCED FROM_EXTVXML0 FROM_EXTVXML1 FROM_EXTVXML2 FROM_EXTVXML3 PODID" fetchtimeout="7s"/>
</catch>
<catch event = "error">
<if cond="DEBUG == '1'">
<log> General Error encountered when trying to contact Application Server. Going to Recovery VXML: CallID: <value expr="CALL_ID"/>
: CallSeqNum: <value expr="CALL_SEQ_NUM"/>
</log>
</if>
<goto next="crtp:/SDocuments/Recovery.vxml"/>
</catch>
<catch event="telephone.disconnect.hangup">
<assign name="ERROR_CODE" expr="1"/>
<submit next= "/CVP/Server"
namelist="MSG_TYPE CALL_ID CALL_SEQ_NUM ERROR_CODE CALLCED FROM_EXTVXML0 FROM_EXTVXML1 FROM_EXTVXML2 FROM_EXTVXML3 PODID" fetchtimeout="7s"/>
</catch>
<catch event="connection.disconnect.hangup">
<assign name="ERROR_CODE" expr="1"/>
<submit next= "/CVP/Server"
namelist="MSG_TYPE CALL_ID CALL_SEQ_NUM ERROR_CODE CALLCED FROM_EXTVXML0 FROM_EXTVXML1 FROM_EXTVXML2 FROM_EXTVXML3 PODID" fetchtimeout="7s"/>
</catch>
<!--submit next block -->
<block>
<submit next= "/CVP/Server"
namelist="MSG_TYPE CALL_ID CALL_SEQ_NUM ERROR_CODE CALLCED FROM_EXTVXML0 FROM_EXTVXML1 FROM_EXTVXML2 FROM_EXTVXML3 PODID" fetchtimeout="7s"/>
</block>
</form>
</vxml>
步驟4.新的TCP將VVB連線到CVP VXML伺服器，並呼叫CVP應用程式。
256573: Oct 23 10:10:36.871 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: http://10.66.75.48:7000/CVP/en-us/../Server?application=HelloWorld&callid=B42C46800001000000000065085143&_dnis=7001&_ani=60006099
資料包捕獲： [PSH，ACK] VVB到CVP [7000埠]:
GET /CVP/en-us/../Server?application=HelloWorld&callid=B42C46800001000000000065085143&_dnis=7001&_ani=60006099 HTTP/1.1 User-Agent: Cisco Voice Browser/1.0 (Cache activated) Accept: text/vxml, application/vxml, application/vxml+xml, *; q=.2, */*; q=.2 Host: 10.66.75.48:7000 Connection: keep-alive
CVP向VVB傳送200 OK: [PSH，ACK] CVP（7000埠）到VVB
256576: Oct 23 10:10:36.881 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP 200 OK
資料包捕獲：
HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Set-Cookie: JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; Path=/CVP/; HttpOnly Content-Type: text/xml;charset=UTF-8 Transfer-Encoding: chunked Date: Sun, 22 Oct 2017 23:35:55 GMT
CVP傳送VXML文檔：calling_into=HelloWorld
256581: Oct 23 10:10:36.881 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.01, URI: http://10.66.75.48:7000/CVP/en-us/../Server?application=HelloWorld&callid=B42C46800001000000000065085143&_dnis=7001&_ani=60006099
http://10.66.75.48:7000/CVP/en-us/../Server?application=HelloWorld&callid=B42C46800001000000000065085143&_dnis=7001&_ani=60006099
256582: Oct 23 10:10:36.881 AEST %MIVR-SS_VB-7-UNK:Content of VXML Document:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0" application="/CVP/Server?audium_root=true&calling_into=HelloWorld">
<catch event="error">
<var name="audium_action" expr="'custom_disconnect'" />
<var name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action" />
</catch>
<form>
<block>
<assign name="audium_vxmlLog" expr="''" />
<submit next="/CVP/Server" method="post" namelist="audium_vxmlLog" />
</block>
</form>
</vxml>
步驟5. VVB呼叫應用程式，獲取VXML文檔。
256606: Oct 23 10:10:36.884 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Browser.makeRequest(): got encoded uri=http://10.66.75.48:7000/CVP/Server?audium_root=true&calling_into=HelloWorld
資料包捕獲： [PSH，ACK] VVB到CVP（7000埠）
GET /CVP/Server?audium_root=true&calling_into=HelloWorld HTTP/1.1 Cookie: JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; HttpOnly= User-Agent: Cisco Voice Browser/1.0 (Cache activated) Accept: text/vxml, application/vxml, application/vxml+xml, *; q=.2, */*; q=.2 Host: 10.66.75.48:7000 Connection: keep-alive
CVP傳送200正常
256613: Oct 23 10:10:36.896 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP 200 OK
資料包捕獲： [PSH，ACK] CVP至VVB
HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Content-Type: text/xml;charset=UTF-8 Transfer-Encoding: chunked Date: Sun, 22 Oct 2017 23:35:55 GMT
CVP傳送VXML文檔： [ACK] CVP（7000埠）至VVB
256617: Oct 23 10:10:36.896 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.012, URI: http://10.66.75.48:7000/CVP/Server?audium_root=true&calling_into=HelloWorld
256618: Oct 23 10:10:36.901 AEST %MIVR-SS_VB-7-UNK:Content of VXML Document:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0">
<script><![CDATA[function getElapsedTime(startTime)
{
var numMilliseconds = new Date().getTime();
return numMilliseconds - startTime;
}]]></script>
<property name="universals" value="help" />
<var name="audium_vxmlLog" expr="''" />
<var name="audium_element_start_time_millisecs" expr="0" />
<var name="cisco_vxml_error_count" expr="0" />
<var name="audium_type" />
<catch event="vxml.session.error">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="telephone.disconnect.transfer">
<var name="audium_action" expr="'call_transfer'" />
<assign name="audium_type" expr="'telephone.disconnect.transfer'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="telephone.disconnect.hangup">
<var name="audium_action" expr="'hangup'" />
<assign name="audium_type" expr="'telephone.disconnect'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="telephone.disconnect">
<var name="audium_action" expr="'hangup'" />
<assign name="audium_type" expr="'telephone.disconnect'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="help">
<throw event="nomatch" />
</catch>
<catch event="error.unsupported.object">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.unsupported.language">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.unsupported.format">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.unsupported.element">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.unsupported.builtin">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.unsupported">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.semantic">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.noauthorization">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.eventhandler.notfound">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.connection.noroute">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.connection.noresource">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.connection.nolicense">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.connection.noauthorization">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.connection.baddestination">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.condition.baddestination">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.resource.failure.tts">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.resource.failure.asr">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.media.resource.unavailable">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.handoff.failure">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.callhandoff.failure">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.aaa.authorize.failure">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.com.cisco.aaa.authenticate.failure">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.badfetch.https">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.badfetch.http">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error.badfetch">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="error">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="disconnect.com.cisco.handoff">
<if cond=" ( cisco_vxml_error_count >= 3 ) ">
<var name="caller_input" expr="'system_unavailable'" />
<return namelist="caller_input" />
</if>
<var name="audium_action" expr="'error'" />
<assign name="audium_type" expr="_event" />
<var name="audium_message" expr="_message" />
<assign name="cisco_vxml_error_count" expr="cisco_vxml_error_count + 1" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_message audium_action audium_vxmlLog" />
</catch>
<catch event="connection.disconnect.transfer">
<var name="audium_action" expr="'call_transfer'" />
<assign name="audium_type" expr="'connection.disconnect.transfer'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="connection.disconnect.hangup">
<var name="audium_action" expr="'hangup'" />
<assign name="audium_type" expr="'connection.disconnect'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="connection.disconnect">
<var name="audium_action" expr="'hangup'" />
<assign name="audium_type" expr="'connection.disconnect'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action audium_vxmlLog" />
</catch>
<catch event="com.audium.vxml.event">
<var name="audium_action" expr="'vxml_event'" />
<var name="audium_error" expr="_message" />
<assign name="audium_type" expr="_message" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_error audium_action" />
</catch>
<catch event="com.audium.error">
<var name="audium_action" expr="'custom_disconnect'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action" />
</catch>
<catch event="com.audium.disconnect">
<var name="audium_action" expr="'custom_disconnect'" />
<assign name="audium_type" expr="'disconnect.audium'" />
<submit next="/CVP/Server" method="post" namelist="audium_type audium_action" />
</catch>
</vxml
步驟6. VVB傳送音訊檔案的POST查詢。
256695: Oct 23 10:10:36.914 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: http://10.66.75.48:7000/CVP/Server 256696: Oct 23 10:10:36.914 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Setting cookie : JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; HttpOnly=
資料包捕獲： [PSH，ACK] VVB到CVP（7000埠）
POST /CVP/Server HTTP/1.1 User-Agent: Cisco Voice Browser/1.0 Accept: text/vxml, application/vxml, application/vxml+xml, *; q=.2, */*; q=.2 Content-Type: application/x-www-form-urlencoded Cookie: JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; HttpOnly= Host: 10.66.75.48:7000 Connection: keep-alive Content-Length: 15
CVP傳送VVB 200正常
資料包捕獲： [PSH，ACK] CVP至VVB
audium_vxmlLog=HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Content-Type: text/xml;charset=UTF-8 Transfer-Encoding: chunked Date: Sun, 22 Oct 2017 23:35:55 GM
CVP向VVB內容傳送帶有音訊檔名和源路徑的POST查詢結果。
<audio src="https://www.cisco.com/CVP/audio/helloworld_audio.wav">You have successfully installed the Cisco Unified V X M L server.</audio>
VVB日誌：
256714: Oct 23 10:10:36.919 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.005, URI: http://10.66.75.48:7000/CVP/Server
256716: Oct 23 10:10:36.919 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Content of POST query:
audium_vxmlLog=
256717: Oct 23 10:10:36.920 AEST %MIVR-SS_VB-7-UNK:Content of VXML Document:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0" application="/CVP/Server?audium_root=true&calling_into=HelloWorld">
<form id="audium_start_form">
<block>
<assign name="audium_vxmlLog" expr="''" />
<assign name="audium_element_start_time_millisecs" expr="new Date().getTime()" />
<goto next="#start" />
</block>
</form>
<form id="start">
<block>
<prompt bargein="true">
<audio src="https://www.cisco.com/CVP/audio/helloworld_audio.wav">You have successfully installed the Cisco Unified V X M L server.</audio>
</prompt>
<assign name="audium_vxmlLog" expr="audium_vxmlLog + '|||audio_group$$$' + 'initial_audio_group' + '^^^' + application.getElapsedTime(audium_element_start_time_millisecs)" />
<submit next="/CVP/Server" method="post" namelist="audium_vxmlLog" />
</block>
</form>
</vxml>
步驟7. VVB讀取音訊檔案並檢查音訊檔案是否被修改。
If-None-Match:W/"68192-1468638242000"（來自資料包捕獲）
VVB日誌：
256798: Oct 23 10:10:36.923 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: http://10.66.75.48:7000/CVP/audio/helloworld_audio.wav
資料包捕獲： [PSH，ACK] VVB到CVP（7000埠）
GET /CVP/audio/helloworld_audio.wav HTTP/1.1 Cookie: JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; HttpOnly= User-Agent: Cisco Voice Browser/1.0 (Cache activated) Accept: *, */* If-None-Match: W/"68192-1468638242000" Cache-Control: max-age=0 Host: 10.66.75.48:7000 Connection: keep-alive If-Modified-Since: Sat, 16 Jul 2016 03:04:02 GMT
封包封包： CVP到VVB確認音訊檔案未被修改
HTTP/1.1 304 Not Modified (from packet capture) HTTP Response is from Cache (VVB log )
VVB日誌：
256800: Oct 23 10:10:36.931 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP 200 OK 256801: Oct 23 10:10:36.931 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Browser.processHttpResponse() hc is CachedHttpURLConnection 256802: Oct 23 10:10:36.931 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP Response is from Cache
資料包捕獲： [PSH，ACK] CVP至VVB
HTTP/1.1 304 Not Modified Server: Apache-Coyote/1.1 ETag: W/"68192-1468638242000" Date: Sun, 22 Oct 2017 23:35:55 GMT
步驟8. VVB播放音訊檔案。
256805: Oct 23 10:10:36.931 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Play: http://10.66.75.48:7000/CVP/audio/helloworld_audio.wav
步驟9. VVB在成功獲取音訊檔案後傳送POST查詢並關閉此TCP會話。
256828: Oct 23 10:10:36.933 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Browser.makeRequest(): else branch 256829: Oct 23 10:10:36.934 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: http://10.66.75.48:7000/CVP/Server
資料包捕獲： [PSH，ACK]VVB到CVP（7000埠）
POST /CVP/Server HTTP/1.1 User-Agent: Cisco Voice Browser/1.0 Accept: text/vxml, application/vxml, application/vxml+xml, *; q=.2, */*; q=.2 Content-Type: application/x-www-form-urlencoded Cookie: JSESSIONID=32868A579F1F48F50A6CC362EBF3F256; HttpOnly= Host: 10.66.75.48:7000 Connection: keep-alive Content-Length: 74 audium_vxmlLog=%7C%7C%7Caudio_group%24%24%24initial_audio_group%5E%5E%5E11
CVP傳送到VVB 200 OK
資料包捕獲：[PSH，ACK] CVP（7000埠）至VVB
200 OK Server: Apache-Coyote/1.1 Content-Type: text/xml;charset=UTF-8 Transfer-Encoding: chunked Date: Sun, 22 Oct 2017 23:35:55 GMT
256846: Oct 23 10:10:36.937 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Fetch: HTTP 200 OK 256848: Oct 23 10:10:36.937 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Successfully fetched bytes: 0, duration(s): 0.004, URI: http://10.66.75.48:7000/CVP/Server 256849: Oct 23 10:10:36.938 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] fetchVxmlDoc :: Closing output stream
CVP傳送到VVB: CVP返回POST查詢內容：
256850: Oct 23 10:10:36.938 AEST %MIVR-SS_VB-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] Content of POST query:
audium_vxmlLog=%7C%7C%7Caudio_group%24%24%24initial_audio_group%5E%5E%5E11
256851: Oct 23 10:10:36.938 AEST %MIVR-SS_VB-7-UNK:Content of VXML Document:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0" application="/CVP/Server?audium_root=true&calling_into=HelloWorld">
<catch event="error.com.cisco.callhandoff.failure">
<cisco-typeaheadflush />
<submit next="/CVP/Server" method="post" namelist="audium_vxmlLog" />
</catch>
<form id="audium_start_form">
<block>
<assign name="audium_vxmlLog" expr="''" />
<assign name="audium_element_start_time_millisecs" expr="new Date().getTime()" />
<goto next="#start" />
</block>
</form>
<form id="start">
<object name="dummyobj" classid="builtin://com.cisco.callhandoff">
<param name="return" expr="true" valuetype="data" />
<param name="app-uri" expr="'builtin://dummyobj'" valuetype="data" />
<filled>
<submit next="/CVP/Server" method="post" namelist="audium_vxmlLog" />
</filled>
</object>
</form>
</vxml>
步驟10. VVB從CVP接收BYE並完成此呼叫。
256921: Oct 23 10:10:43.139 AEST %MIVR-JASMIN-7-UNK:[CALLID=B42C468000010000000000650851430A-150871535521622] SIP-ltp92-88881111*, State=CONNECTED: Processing BYE from remote party.
意見