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Cisco Unified IP Phone 8961, 9951, and 9971 (SIP) Release Notes for Firmware Release 9.0(3)

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Cisco Unified IP Phone 8961, 9951, and 9971 (SIP) Release Notes for Firmware Release 9.0(3)

Table Of Contents

Cisco Unified IP Phone 8961, 9951, and 9971 (SIP) Release Notes for Firmware Release 9.0(3)

Contents

Related Documentation

New and Changed Information

Call-Forward-All Upgrade for CTI New Call Event

In-service Upgrade Enhancement

Secure and Nonsecure Indication Tone

Non-CDP Power Negotiation

Secure Extension Mobility

Secure SIP Failover for SRST

Trust Verification Service and Security

Installation Notes

Installing Cisco Unified Communications Manager

Installing Firmware Release 9.0(3) for SIP

Installing Cisco Unified Video Camera Firmware

Important Notes

Using a USB Hub During an Active Call

Using a USB Headset

Using the USB Headset with the Cisco Unified IP Color Key Expansion Module

One-Way Video Calls for the Cisco Unified IP Phone

Tracking the Cisco Unified IP Phone 9971 using Cisco Emergency Responder

Web Access Disabled by Default

Caveats

Using Bug Toolkit

Open Caveats

Resolved Caveats

Obtaining Documentation and Submitting a Service Request


Cisco Unified IP Phone 8961, 9951, and 9971 (SIP) Release Notes for Firmware Release 9.0(3)


Revised: August 03, 2010

Use these release notes with a Cisco Unified IP Phone running SIP firmware release 9.0(3). This version of firmware release 9.0(3) is compatible with Cisco Unified Communications Manager (Unified CM) 7.1(3) and later.

Contents

These release notes provide the following information. You might need to notify your users about some of the information provided in this document.

Related Documentation

New and Changed Information

Installation Notes

Important Notes

Caveats

Related Documentation

Cisco Unified IP Phone 9951 and 9971 Documentation

Refer to publications that are specific to your language, phone model and Cisco Unified Communications Manager release. Navigate from the following documentation URL:

http://www.cisco.com/en/US/products/ps10453/tsd_products_support_series_home.html

Cisco Unified IP Phone 8961 Documentation

Refer to publications that are specific to your language, phone model and Cisco Unified Communications Manager release. Navigate from the following documentation URL:

http://www.cisco.com/en/US/products/ps10451/tsd_products_support_maintain_and_operate.html

Cisco Unified Communications Manager Documentation

Refer to the Cisco Unified Communications Manager Documentation Guide and other publications specific to your Cisco Unified Communications Manager release. Navigate from the following URL:

http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_series_home.html

Cisco Unified Communications Manager Business Edition Documentation

Refer to the Cisco Unified Communications Manager Business Edition Documentation Guide and other publications that are specific to your Cisco Unified Communications Manager release. Navigate from the following URL:

http://www.cisco.com/en/US/products/ps7273/tsd_products_support_series_home.html

New and Changed Information

This section contains these sections:

Call-Forward-All Upgrade for CTI New Call Event

In-service Upgrade Enhancement

Non-CDP Power Negotiation

Secure Extension Mobility

Secure SIP Failover for SRST

Trust Verification Service and Security

Call-Forward-All Upgrade for CTI New Call Event

With firmware release 9.0(3), information was added to the Computer Telephony Integration (CTI) new call event. The JTAPI and TAPI applications can now distinguish between an actual outgoing call and a call that is created when a user presses the call-forwarding softkey (CFwdALL or Forward All depending on the IP phone model), or presses the Forward All line button on the Cisco Unified IP Phone 8961, 9951, and 9971.

This enhancement applies only if the Call Forward All feature is invoked when the phone is on hook. If the phone is off hook, such as when a user lifts the handset or presses the speakerphone before invoking the Call Forward All feature, the CTI new call event will not provide the call-forward-all information.

In-service Upgrade Enhancement

The dual-banked firmware update feature allows the Cisco Unified CM administrator to upgrade phone firmware with a new load before resetting the new load to an Inactive load status. Instead of waiting for all the phones to download the firmware, Cisco Unified CM administrators can use the Switch Loads function to quickly switch from the old load to the new load in less time. Upgrading the dual-banked firmware reduces the bandwidth congestion and the delay in download during system maintenance while allowing Cisco Unified CM administrators to determine when to set the new firmware to Active load.


Note During dual-banked firmware upgrade, the previous Active load is swapped as an Inactive load. No change is made if the new load matches with the Active load settings. If there is no previous Active load, (fresh install), the Inactive load setting is empty.


A new area in Cisco Unified CM Administration Device Settings Configuration allows you to change the Active load and the Inactive load. Go to Cisco Unified CM Administration > Device > Device Settings > Device Defaults > Dual Bank Information area to change the load.

The In-service Upgrade Enhancement feature is supported on these IP phones running the SIP protocol:

Cisco Unified IP Phone 8961

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 9971

Secure and Nonsecure Indication Tone

With firmware release 9.0(3), the secure indication tone functionality was updated, and the nonsecure indication tone was added to the Secure and Nonsecure Indication Tone feature for the Cisco Unified IP Phones. The 8.0(3) release of Cisco Unified Communications Manager (Unified CM) is a requirement for these changes to function.

If phone is configured as secure (encrypted and trusted) in Unified CM, it can be given a "protected" status (which is separate from the status a call). After that if desired, the protected phone can be configured to play an indication tone at the beginning of a call:

Protected Device—To change the status of a secure phone to protected, check the "Protected Device" check box in Cisco Unified Communications Manager Administration > Device > Phone > Phone Configuration.

Play Secure Indication Tone—To enable the protected phone to play a secure or nonsecure indication tone, set the "Play Secure Indication Tone" to True. (The default is False.) You set this option in Cisco Unified Communications Manager Administration > System > Service Parameters. Select the server and then the Unified CM service. In the Service Parameter Configuration window, select the option in the Feature - Secure Tone area. (The default is False.)

Only protected phones hear secure or nonsecure indication tones. (Nonprotected phones never hear tones.) Because the condition for playing the secure indication tone is now based on the overall secure status of the call end to end and not the protected status of the phone, users hear a tone between a protected phone and a nonprotected phone if the Secure Real-Time Transfer Protocol (SRTP) or Real-Time Protocol (RTP) is established.

If the overall call status changes during the call, the indication tone changes accordingly. At that time, the protected phone plays the appropriate tone.

A protected phone plays a tone or not under these circumstances:

When the option to play a tone, "Play Secure Indication Tone," is enabled (True):

When end-to-end secure media is established through the Secure Real-Time Transfer Protocol (SRTP) and the call status is secure, the phone plays the secure indication tone (three long beeps with brief pauses).

When end-to-end nonsecure media is established through the Real-Time Protocol (RTP) and the call status is nonsecure, the phone plays the nonsecure indication tone (six short beeps with brief pauses). (This capability is a change with this release.)

When the Play Secure Indication Tone option is disabled (False), no tone is played.

These changes were also made with this release:

Users can invoke supplementary services, such as Transfer or Conference, from protected phones without a software limitation.

In the past if calls were transferred from a protected phone to another protected phone with RTP established, the call would be dropped. Now users hear a secure or nonsecure indication tone instead of the call being dropped.

The Secure and Nonsecure Indication Tone feature is supported on these IP phones running the SCCP and SIP protocol:

Cisco Unified IP Phone 8961

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 9971

Non-CDP Power Negotiation

For firmware release 9.0(3), the Non-CDP Power Negotiation feature allows the phone to use up to 15.4 watts (the AF maximum) without negotiation. You can disable CDP on the phone configuration window in Cisco Unified CM administration.

The Non-CDP Power Negotiation feature is supported on these IP phones running the SIP protocol:

Cisco Unified IP Phone 9971

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 8961

Secure Extension Mobility

Communication exchanged between a Cisco Unified IP Phone service and other applications uses the HTTPS protocol, which ensures that all information is secure. When users log into Cisco Unified CM applications, they provide authentication information. User credentials are encrypted after the change of the communication protocol to HTTPS. Web applications with both HTTP and HTTPS support have two URLs configured. Cisco Unified IP phones that support HTTPS select the HTTPS URL; otherwise, the phone select the HTTP URL.

The Extension Mobility HTTPS Support feature is supported on these IP phones running the SIP protocol:

Cisco Unified IP Phone 8961

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 9971

Secure SIP Failover for SRST

Firmware release 9.0(3) provides support for secure calls on a Cisco Unified IP Phone running the SIP protocol to remain secure once the call fails over to SRST from Cisco Unified Communications Manager. In addition, this feature enables the user to verify that the call is still secure by the lock icon that remains on the phone display.

For firmware release 9.0(3), when an IP phone endpoint using SIP is in a secure call that fails over to SRST from Unified CM, the user will continue to see the lock icon on the phone display, indicating the call remains secure. In previous releases, an SIP/TLS/TCP call that fails over to SRST displayed the play arrow icon to indicate a non-secure call.

The SRST supports RTP and SRTP media connections according to how the security settings are configured on the IP Phone.

The system administrator configures SRST on a Cisco router to allow endpoints using SIP to register to SRST using SIP/UDP, SIP/TCP, and SIP/TLS/TCP.

An example of a complete secure configuration for the SRST is shown below:

voice service voip
srtp fallback
allow-connections sip to h323
allow-connections sip to sip
sip
url sips
srtp negotiate cisco
voice register global
security-policy secure
sip-ua
registrar ipv4:101.2.0.10 expires 3600
xfer target dial-peer
crypto signaling default trustpoint 3745-SRST strict-cipher

The default value for the CLI command security-policy is device-default. If the value is set to the default value, the existing transport mechanism will be accepted by and registered to the SRST on failover. If the value is set to secure, the SRST will only accept the following transport mechanisms in order to ensure the call maintains its secure state, if applicable—SIP/TLS/TCP.

An example of a complete device-default configuration for the SRST is shown below:

voice service voip
srtp fallback
allow-connections sip to h323
allow-connections sip to sip
sip
url sip
srtp negotiate cisco
voice register global
default security-policy
sip-ua
registrar ipv4:101.2.0.10 expires 3600
xfer target dial-peer

crypto signaling default trustpoint 3745-SRST

In firmware release 9.0(3), when an IP Phone endpoint using SIP is in a secure call that fails over to SRST from Unified CM, the user will continue to see the lock icon on the phone display, indicating the call remains secure. In previous releases, an SIP/TLS/TCP call that fails over to SRST displayed the play arrow icon to indicate a non-secure call.

The Secure SIP Failover for SRST feature is supported on these IP phones running the SIP protocol:

Cisco Unified IP Phone 8961

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 9971

Trust Verification Service and Security

To support secure connections with other components, a Cisco Unified IP Phone authenticates component certificates by validating the certificates with entries in the Certificate Trust List (CTL) file, which has a 32-character maximum limit.

The Trust Verification Service (TVS) allows the phone to authenticate components without adding a CTL file entry. Adding new components or services does not require the CTL file to be updated on all of the phones.

The Security by Default feature removes the restriction that requires the user to create the CTL file by using eTokens to provide and enable security features. The signed file is enabled automatically by default.

The Trust Verification Service and Security by Default feature is supported on these IP phones running the SIP protocol:

Cisco Unified IP Phone 8961

Cisco Unified IP Phone 9951

Cisco Unified IP Phone 9971

Installation Notes

This section contains these sections:

Installing Cisco Unified Communications Manager

Installing Firmware Release 9.0(3) for SIP

Installing Cisco Unified Communications Manager

Before using the Cisco Unified IP Phone with Cisco Unified Communications Manager, you must install the latest firmware on all Cisco Unified Communications Manager servers in the cluster.


Note You can install Cisco Unified Communications Manager 7.1(3) or 7.1(3a). After you install one of these releases, you must install Cisco Unified Communications Manager 7.1(3a)su1.


To download and install the Cisco Unified Communications Manager version, refer to the Install and Upgrade Guides for Cisco Unified Communications Manager.

Installing Firmware Release 9.0(3) for SIP

To download and install the phone firmware, follow these steps:

Procedure


Step 1 Go to the following URL:

http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=278875240

Step 2 Log in to the Tools and Resources Download Software page.

Step 3 Click + and choose the IP Telephony folder.

Step 4 Click + and choose the IP Phones folder.

Step 5 Choose Cisco Unified IP Phones 9900 Series or Cisco Unified IP Phones 8900 Series.

Step 6 Choose your phone type.

Step 7 Under the Latest Releases folder, choose 9.0(3).

Step 8 Select one of the following firmware files, click the Download Now or Add to cart button and follow the prompts.

cmterm-8961.9-0-3.cop.sgn

cmterm-9951.9-0-3.cop.sgn

cmterm-9971.9-0-3.cop.sgn


Note If you added the firmware file to the cart, click the Download Cart link when you are ready to download the file.


Step 9 Click the + next to the firmware file name in the Download Cart section to access additional information about this file.The hyperlink for the Readme file is in the Additional Information section, which contains installation instructions for the corresponding firmware:

cmterm-8961.9-0-3-readme.html

cmterm-9951.9-0-3-readme.html

cmterm-9971.9-0-3-readme.html

Step 10 Follow the instructions in the Readme file to install the firmware.



Note Firmware upgrades over the WLAN interface may take longer than upgrades using a wired connection. Upgrade times over the WLAN interface may take more than an hour, depending on the quality and bandwidth of the wireless connection.


Installing Cisco Unified Video Camera Firmware

To use the Cisco Unified Video Camera on the Cisco Unified IP Phone 9971, you must install the IP phone firmware that supports video for the camera.


Note The Cisco Unified Video Camera is supported on Unified CM versions 7.1(3a)su1 and later.


Procedure


Step 1 Go to the following URL:

http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=278875240

Step 2 Log in to the Tools and Resources Download Software page.

Step 3 Click + and choose the IP Telephony folder.

Step 4 Click + and choose the IP Telephony folder.

Step 5 Click + and choose the Call Control folder.

Step 6 Click + and choose the Cisco Unified Communications Manager (CallManager) folder.

Step 7 Choose Cisco Unified Communications Manager Version 7.1.

Step 8 Choose Unified Communications Manager/CallManager Device Packages.

Step 9 Under the Latest Releases folder, choose 7.1(3.33031).

Step 10 Select cmterm-devicepack7.1.3.33031-1.cop.sgn, click the Download Now or Add to cart button and follow the prompts.


Note If you added the firmware file to the cart, click the Download Cart link when you are ready to download the file.


Step 11 Click the + next to cmterm-devicepack7.1.3.33031-1.cop.sgn in the Download Cart section to access additional information about this file.The hyperlink for the Readme file is in the Additional Information section, which contains installation instructions for the device package firmware file.

Step 12 Follow the instructions in the Readme file to install the firmware.


Important Notes

This section contains these topics:

Using a USB Hub During an Active Call

Using a USB Headset

One-Way Video Calls for the Cisco Unified IP Phone

Tracking the Cisco Unified IP Phone 9971 using Cisco Emergency Responder

Web Access Disabled by Default

Using a USB Hub During an Active Call

If you use a USB hub on your IP phone or expansion module, do not unplug the hub while you are on an active call. Unplugging the hub in this scenario may cause the IP phone or expansion module to reboot. For more information, refer to CSCtf46146 using the Software Bug Toolkit.

Using a USB Headset

When you use any USB headset that uses an external power source with the Cisco Unified IP Phone, the headset must be used with external power connected only.


Note When using your USB headset with a Cisco Unified IP Phone, do not unplug the headset while you are on an active call. This may cause the IP phone to reboot. For more information, refer to CSCte96060 using the Software Bug Toolkit.



Note To use the Plantronics CS50 headset for incoming calls, press the headset button once to answer a call. Press the headset button twice to go offhook.


Using the USB Headset with the Cisco Unified IP Color Key Expansion Module

The Plantronics CS50 USB headset causes the phone to request power from switch even though it is self-powered. In this case, if a device such as a camera or expansion module is connected and active on the phone, the switch will reject the power request for the headset because the power budget has been exceeded. In this case, the headset cannot be used.

One-Way Video Calls for the Cisco Unified IP Phone

Due to limitations in the H.264 video signaling standards, Cisco Unified IP Phones 9951 and 9971 may not correctly display video received from devices supporting resolutions greater than 640x480. In this case, the user will see a black video window.

To insure that video from such devices is properly displayed on the IP phone, the best solution is to configure high definition phones and Cisco Unified IP Phone 8961, 9951, and 9971 into different call regions and limit the video bandwidth to 384 kb/s when calling between regions.

Tracking the Cisco Unified IP Phone 9971 using Cisco Emergency Responder

You must configure the Cisco Unified IP Phone 9971 in Wi-Fi mode. When using this phone in this mode, you need to configure Cisco Emergency Responder appropriately for tracking wireless IP Phones. For more information, refer to chapter 5 of the Cisco Emergency Responder Administration Guide 8.0.

Web Access Disabled by Default

Access to all web services, such as HTTP and SSH, are disabled by default on the Cisco Unified IP Phone 8961, 9951, and 9971. Your administrator can enable this feature by using Enterprise parameters.


Note Enabling web services may cause security problems.


Caveats

This section contains these topics:

Using Bug Toolkit

Open Caveats

Resolved Caveats

Using Bug Toolkit

Known problems (bugs) are graded according to severity level. These release notes contain descriptions of:

All severity level 1 or 2 bugs.

Significant severity level 3 bugs.

You can search for problems by using the Cisco Software Bug Toolkit.

To access Bug Toolkit, you need the following items:

Internet connection

Web browser

Cisco.com user ID and password

To use the Software Bug Toolkit, follow these steps:

Procedure


Step 1 To access the Bug Toolkit, go to:

http://tools.cisco.com/Support/BugToolKit/action.do?hdnAction=searchBugs.

Step 2 Log on with your Cisco.com user ID and password.

Step 3 To look for information about a specific problem, enter the bug ID number in the "Search for bug ID" field, then click Go.


Open Caveats

Table 1 lists Severity 1, 2 and 3 defects that are open for the Cisco Unified IP Phone using firmware release 9.0(3).

For more information about an individual defect, you can access the online record for the defect by clicking the Identifier or going to the URL shown. You must be a registered Cisco.com user to access this online information.

Because defect status continually changes, be aware that Table 1 reflects a snapshot of the defects that were open at the time this report was compiled. For an updated view of open defects, access Bug Toolkit as described in the "Using Bug Toolkit" section.

Table 1 Open Caveats for Firmware Release 9.0(3) 

Identifier
Headline and Bug Toolkit

CSCtf59793

Only the first 63 characters of DHCP option 66 value are used

CSCtf61730

Unable to play ringtone after volume adjustment

CSCtf69028

No DNS query for Unified CM name after the second reset

CSCtf72234

IP phone firmware load returns 0.0.0.0 regardless of the server used

CSCtf82731

Cisco Unified IP Phone 9971 with 802.11a cannot refresh the GUI automatically when WLAN site survey is selected

CSCtf83026

The "Active Calls" softkey turns gray, sometimes, when joining two conferences

CSCtg00123

User of a Cisco Unified IP Phone 9971 with WI-FI cannot hear the peer voice when on an active call for an extended period

CSCtg07000

sRTCP authentication tag must be 80 bits

CSCtg16900

Specific IP address and port value do not exist in TCLAS message

CSCtg17243

Java application fails after user locale transfer from Arabic to Greek

CSCtg21655

Cisco Unified IP Phone displays an error when attempting to capture a screenshot

CSCtg35553

Static WEP key is lost when you power cycle a Cisco Unified IP Phone 9971

CSCtg35553

Static WEP key is lost after power cycling a Cisco Unified IP Phone 9971

CSCtg41425

Video stream information reports incorrect number of RTCP receiver reports sent

CSCtg41863

Cisco Unified IP Phone 9951 goes into call preservation mode

CSCtg44001

Chaperone recording is not resumed when the analyst is brought to conference

CSCtg55784

Impairments in VGA video received from Cisco Unified Communication Integration for Microsoft Office Communicator (CUCIMOC) quality assurance drop nine by IP phone

CSCtg61756

IP phone registers and resets in loop with 128-character end user

CSCtg70515

The call record is highlighted after a selecting it three times

CSCtg75012

The "play" softkey is always grayed out after the IP phone plays a ringtone

CSCtg77953

Removing the IP phone NTP reference does not work

CSCtg81191

New IP phone has no applications when used for the first time

CSCtg88583

The USB camera is not detected after a firmware change

CSCth34088

First connection with the Bluetooth headset icon fails after first pairing


Resolved Caveats

Table 2 lists Severity 1, 2 and 3 defects that are resolved for the Cisco Unified IP Phone using firmware release 9.0(3).

For more information about an individual defect, you can access the online record for the defect by clicking the Identifier or going to the URL shown. You must be a registered Cisco.com user to access this online information.

Because defect status continually changes, be aware that Table 2 reflects a snapshot of the defects that were resolved at the time this report was compiled. For an updated view of resolved defects, access Bug Toolkit as described in the "Using Bug Toolkit" section.

Table 2 Resolved Caveats for Firmware Release 9.0(3) 

Identifier
Headline and Bug Toolkit

CSCta65070

WLAN is choppy

CSCtc85364

Java application downloads but is not installed

CSCtc87897

Dial tone is heard on IP phone during RTP streaming using RTPTx

CSCte51956

Failure to access the HTTPS server of the IP phone

CSCte55948

Session background color is not correct when java application is closed during a call

CSCte64869

Perfect Forward Security (PFS) is hung with constant keep alives and never exits

CSCte67016

IP Phone resets while using Bluetooth headset

CSCte68858

Secure IP phone does not show SRST as "standby" after fallback

CSCte72048

IP phone becomes unresponsive after moderate HTTP and HTTPS web access

CSCte72752

IP phone will not restart even when it receives a restart request from Unified CM

CSCte73474

No tone after holding and resuming a monitored call

CSCte77981

IP phone is not able to login to Extension Mobility Cross Cluster (EMCC) when service provisioning is set to "External"

CSCte79069

IP phone undergoes an extra reset after a firmware load upgrade

CSCte80842

IP phone (SIP) does not display status line message

CSCte90297

IP phone shows incorrect (its own) directory number in call bubble during conference scenario

CSCte90567

Call forward notification is not produced when IP phone registers with secure SRST

CSCte91025

IP phone web page access using HTTP and HTTPS (alternate) takes a long time

CSCte95590

IP phone needs to download Certificate Trust List (CTL) or Identity Trust List (ITL) after fallback from SRST

CSCte98353

Atypical state after busy tone

CSCte99279

RFC 2833 packets may cause jitter buffer problems with iLBC and iSAC streams

CSCtf07125

IP phone (SIP) should not get stuck requesting a default configuration file

CSCtf08894

Audio arrives after video, ten minutes into a call

CSCtf25128

Speaker LED does not illuminate on redial using the speakerphone button

CSCtf32361

IP phone makes noise in idle mode after making call from "Edit Dial" screen

CSCtf34113

Using a headset during an active PSTN call has one-way audio

CSCtf38735

Session is disconnected if a remote held call is resumed

CSCtf40690

User cannot exit ringtone configuration page when IP phone is partially registered

CSCtf44427

Intercom call cannot be canceled if speakerphone button is pressed

CSCtf44834

An external service is inoperable sometimes if it is loaded continually

CSCtf46340

IP phone load cancel transfer fails

CSCtf48340

Sometimes the video is blocky for several seconds after a video unmute

CSCtf54554

Key expansion module side USB port is disabled intermittently during bootup

CSCtf54801

PFS sometimes does not exit and cannot be halted

CSCtf55462

IP phone drops the active call if "apply configuration" is done with TFTP down

CSCtf63196

Cisco Unified IP Phone reboots while using Bluetooth headset

CSCtf65807

HTTPS server issues while accessing IP phone web page

CSCtf65949

Headset audio stops if second incoming call is unanswered

CSCtf69411

Incorrect behavior in conference with SRST; call drops on incorrect IP phone

CSCtf70173

"CiscoIPPhoneDisplay" header reports physical versus usable size

CSCtf70190

Maximum size .png image appears distorted

CSCtf75286

Sometimes the speakerphone button is not lit when receiving an intercom call

CSCtf77362

Restarting the IP phone causes the Busy Lamp Field (BLF) line on expansion module to lose functionality

CSCtf82189

OpenSSL record of termination issue

CSCtf92299

The recipient can unmute a one-way whisper call

CSCtf94811

Voice synchronization measures video ~200ms ahead of audio when audio RTP is delayed

CSCtg04851

Cisco Unified IP Phone 9971 continues to transmit at 768K even after reinvitation for 384K

CSCtg07539

Modify "vcm_tone_start_with_speaker" call to use "lsm_get_ms_ui_id"

CSCtg09883

In call preservation mode the mute key does not function

CSCtg11357

Repeatedly posting XML to IP phone causes it to reset

CSCtg11848

Camera RTCP "sr" time needs adjustment

CSCtg26554

Only one-way audio can be setup for the basic call when using an iSAC codec


Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.