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Table Of Contents
Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.0
Installing Required Firmware for the Cisco IP Phone
Obtaining Technical Assistance
Obtaining Additional Publications and Information
Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.0
These release notes are for use with the Cisco IP Phone models 7905G and 7912G running under the Session Initiation Protocol (SIP) and running software release 1.3.0.
These release notes include the following sections:
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Installing Required Firmware for the Cisco IP Phone
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Obtaining Technical Assistance
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Obtaining Additional Publications and Information
Installing Required Firmware for the Cisco IP Phone
Before using a Cisco IP Phone model 7905G or 7912G with SIP, you must install the appropriate firmware on the phone. Refer to the Readme.txt file that is included with the phone software package for more information.
Related Documentation
For more information about Cisco IP Phones, refer to the following publications, which are available at this URL:
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/index.htm
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Cisco IP Phone 7905G/7912G User Guide for Cisco CallManager
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Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
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Regulatory Compliance and Safety Information for the Cisco IP Phone 7900 Series
What's New in this Release
Software release 1.3.0 includes the following new and enhanced features:
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This release supports both versions of the Cisco IP Phone 7912G (CP-7912G and CP-7912G-A).
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RFC 3261 enhancements:
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Loose-routing support.
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Addition of branch parameter in Via header.
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RFC 3262 PRACK support—Phones support PRACK based on RFC 3262.
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RFC 3264 Offer/Answer support—Phones support the offer and answer model based on RFC 3264.
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RFC 3311 UPDATE method support—Phones support handling a SIP UPDATE request but do not initiate an UPDATE request.
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Call Forward on Busy support—Allows a phone user to specify a phone number to which all calls are immediately forwarded when the user's line is busy. To specify the telephone number, press the Menu button and choose Settings > Call Preferences > Call Forward On Busy Number.
Bit 27 of the CallPrefGuiShow, GUI Show Mask, CallPrefGuiSet, and GUI Set Mask parameters has been defined for the new Call Forward On Busy feature. The CallPrefGuiShow and the GUI Show Mask parameters control the feature options that are displayed on the Call Preferences menu on a phone. The CallPrefGuiSet and the GUI Set Mask parameters specify which parameters on the Call Preferences menu on the phone can be changed by an end user.
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Configurable request and response retransmissions support.
The MsgRetryLimits parameter lets you configure the number of times that a phone retransmits various SIP requests to the current proxy and the number of times that a phone sends responses to specific requests from the SIP user agent.
When the phone sends a SIP message to the remote SIP user agent, the message does not always reach its destination for various reasons. In this event, the phone retries sending the same message a specified number of times before timing out.
The number of retries is configurable for the following SIP requests:
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REGISTER
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INVITE
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BYE
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CANCEL
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REFER
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NOTIFY
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PRACK
The number of retries also is configurable for the phone's final response to an INVITE request from the SIP user agent.
Table 1 describes how to configure the MsgRetryLimits parameter. For this parameter:
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Value type—Bitmap
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Default value—0x00000000
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Support for disabling the Time and Date display
This release allows you to disable the time and/or date display on the phone. To disable the time and/or date display, configure the value of the appropriate parameter to zero (0).
What's New in Release 1.2.0
The previous software release, 1.2.0, for Cisco IP Phone models 7905G and 7912G running under SIP included the following new and enhanced features. For detailed information about these features, refer to Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.2.0, which is available at this URL:
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Additional time zones support—TimeZone parameter enhanced to provide support for time zones that are offset by increments of 30 minutes and 45 minutes
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D rule for displaying called ID—D rule added to the DialPlan parameter
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R rule for enhanced prefix—R rule added to the DialPlan parameter
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Advanced Syntax for Dial Plan Rules—Provides commands to specify the called number in the D dial plan rule and the trigger string in the R dial plan rule
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G.729 Annex B support—Phones indicate G.729 Annex B codec support by using a=fmtp and a=rtpmap attribute in the SDP body of outgoing INVITE requests and 183 and 200 responses to INVITE requests
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Selectable host target for forwarded calls—Allows setting bit 0 in the ConnectMode parameter to designate the destination of the new INVITE request that results from a forwarded call
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EncryptKeyEx parameter—Provides a stronger configuration file encryption key than the previous EncryptKey parameter
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New cfgfmt tool—Supports a stronger encryption method than the previous release of this tool
Resolved Defects
Table 2 describes Severity 1, 2, and 3 defects that were resolved in this release.
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation on the World Wide Web at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
International Cisco websites can be accessed from this URL:
http://www.cisco.com/public/countries_languages.shtml
Ordering Documentation
You can find instructions for ordering documentation at this URL:
http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm
You can order Cisco documentation in these ways:
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Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from the Ordering tool:
http://www.cisco.com/en/US/partner/ordering/index.shtml
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Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in North America, by calling 800 553-NETS (6387).
Documentation Feedback
You can submit e-mail comments about technical documentation to bug-doc@cisco.com.
You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:
Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
Obtaining Technical Assistance
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, the Cisco Technical Assistance Center (TAC) provides 24-hour-a-day, award-winning technical support services, online and over the phone. Cisco.com features the Cisco TAC website as an online starting point for technical assistance. If you do not hold a valid Cisco service contract, please contact your reseller.
Cisco TAC Website
The Cisco TAC website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The Cisco TAC website is available 24 hours a day, 365 days a year. The Cisco TAC website is located at this URL:
Accessing all the tools on the Cisco TAC website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a login ID or password, register at this URL:
http://tools.cisco.com/RPF/register/register.do
Opening a TAC Case
Using the online TAC Case Open Tool is the fastest way to open P3 and P4 cases. (P3 and P4 cases are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Case Open Tool automatically recommends resources for an immediate solution. If your issue is not resolved using the recommended resources, your case will be assigned to a Cisco TAC engineer. The online TAC Case Open Tool is located at this URL:
http://www.cisco.com/tac/caseopen
For P1 or P2 cases (P1 and P2 cases are those in which your production network is down or severely degraded) or if you do not have Internet access, contact Cisco TAC by telephone. Cisco TAC engineers are assigned immediately to P1 and P2 cases to help keep your business operations running smoothly.
To open a case by telephone, use one of the following numbers:
Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)
EMEA: +32 2 704 55 55
USA: 1 800 553-2447For a complete listing of Cisco TAC contacts, go to this URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
TAC Case Priority Definitions
To ensure that all cases are reported in a standard format, Cisco has established case priority definitions.
Priority 1 (P1)—Your network is "down" or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.
Priority 2 (P2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.
Priority 3 (P3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.
Priority 4 (P4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online and printed sources.
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Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Go to this URL to visit the company store:
http://www.cisco.com/go/marketplace/
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The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as ordering and customer support services. Access the Cisco Product Catalog at this URL:
http://cisco.com/univercd/cc/td/doc/pcat/
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Cisco Press publishes a wide range of general networking, training and certification titles. Both new and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press online at this URL:
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Packet magazine is the Cisco quarterly publication that provides the latest networking trends, technology breakthroughs, and Cisco products and solutions to help industry professionals get the most from their networking investment. Included are networking deployment and troubleshooting tips, configuration examples, customer case studies, tutorials and training, certification information, and links to numerous in-depth online resources. You can access Packet magazine at this URL:
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iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives. You can access iQ Magazine at this URL:
http://www.cisco.com/go/iqmagazine
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Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:
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Training—Cisco offers world-class networking training. Current offerings in network training are listed at this URL:
http://www.cisco.com/en/US/learning/index.html
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