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Cisco Unified IP Phone 7900 Series

Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.1

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Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.1

Table Of Contents

Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.1

Installing Required Firmware for the Cisco IP Phone

Related Documentation

New and Changed Information

What's New in Release 1.3.1

What's New in Release 1.3.0

What's New in Release 1.2.0

Resolved Defects

Obtaining Documentation

Cisco.com

Product Documentation DVD

Ordering Documentation

Documentation Feedback

Cisco Product Security Overview

Reporting Security Problems in Cisco Products

Obtaining Technical Assistance

Cisco Technical Support & Documentation Website

Submitting a Service Request

Definitions of Service Request Severity

Obtaining Additional Publications and Information


Cisco IP Phone 7905G/7912G (SIP) Release Notes for Firmware Release 1.3.1


These release notes are for use with the Cisco IP Phone models 7905G and 7912G running under the Session Initiation Protocol (SIP) and running firmware release 1.3.1.

These release notes include the following sections:

Installing Required Firmware for the Cisco IP Phone

Related Documentation

New and Changed Information

Resolved Defects

Obtaining Documentation

Documentation Feedback

Cisco Product Security Overview

Obtaining Technical Assistance

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

Cisco IP Phone 7905G/7912G User Guide for Cisco CallManager

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Regulatory Compliance and Safety Information for the Cisco IP Phone 7900 Series

New and Changed Information

The following sections describe what is new in this and previous releases:

What's New in Release 1.3.1

What's New in Release 1.3.0

What's New in Release 1.2.0

What's New in Release 1.3.1

There are no new hardware or software features in Cisco IP Phone 7905G/7912G Release 1.3.1.

What's New in Release 1.3.0

Software release 1.3.0 includes the following new and enhanced features:

This release supports both versions of the Cisco IP Phone 7912G (CP-7912G and CP-7912G-A).

RFC 3261 enhancements:

Loose-routing support.

Addition of branch parameter in Via header.

RFC 3262 PRACK support—Phones support PRACK based on RFC 3262.

RFC 3264 Offer/Answer support—Phones support the offer and answer model based on RFC 3264.

RFC 3311 UPDATE method support—Phones support handling a SIP UPDATE request but do not initiate an UPDATE request.

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.

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:

REGISTER

INVITE

BYE

CANCEL

REFER

NOTIFY

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:

Value type—Bitmap

Default value—0x00000000

Table 1 MsgRetryLimits Parameter 

Bit Number
Definition

0 - 3

Number of times to retransmit the following SIP requests or responses to the SIP user agent:

NOTIFY request

PRACK request

Final response to an INVITE request

Range: 0 - 15

Default value: 0

With the default setting, the following retransmission attempts are used:

NOTIFY request: 6

PRACK request: 5

INVITE final response: 7

4 - 7

Number of times to retransmit REGISTER request.

Default value: 0 (number of attempts is 10).

8 - 11

Number of times to retransmit INVITE request.

Default value: 0 (number of attempts is 2).

12 - 15

Number of times to retransmit BYE request.

Default value: 0 (number of attempts is 4).

16 - 19

Number of times to retransmit CANCEL request.

Default value: 0 (number of attempts is 4).

20 - 23

Number of times to retransmit REFER request.

Default value: 0 (number of attempts is 5).

24 - 31

Reserved. The value of these bits must be 0.


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:

http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/english/
ipp7905g/addprot/relnotes/rnsip120.htm

Additional time zones support—TimeZone parameter enhanced to provide support for time zones that are offset by increments of 30 minutes and 45 minutes

D rule for displaying called ID—D rule added to the DialPlan parameter

R rule for enhanced prefix—R rule added to the DialPlan parameter

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

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

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

EncryptKeyEx parameter—Provides a stronger configuration file encryption key than the previous EncryptKey parameter

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.

Table 2 Defects Resolved in this Release 

Identifier
Headline

CSCeh77744

Hung legs after xfer@alert after transfer to Cisco IP Phone 7912G

CSCsa66836

Cisco IP Phone 7912G SIP: Removal of extra softkeys during attended transfer

CSCsa67687

Issues with processing of DNS packets

CSCsb08832

Record-Route in 18x response is not processed


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

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The Product Documentation DVD is available as a single unit or as a subscription. Registered Cisco.com users (Cisco direct customers) can order a Product Documentation DVD (product number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

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Ordering Documentation

Beginning June 30, 2005, registered Cisco.com users may order Cisco documentation at the Product Documentation Store in the Cisco Marketplace at this URL:

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Cisco will continue to support documentation orders using the Ordering tool:

Registered Cisco.com users (Cisco direct customers) can order documentation from the Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

Instructions for ordering documentation using the Ordering tool are at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

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 1 800 553-NETS (6387).

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Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy
.html

From this site, you can perform these tasks:

Report security vulnerabilities in Cisco products.

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Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

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If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

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Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

Emergencies — security-alert@cisco.com

An emergency is either a condition in which a system is under active attack or a condition for which a severe and urgent security vulnerability should be reported. All other conditions are considered nonemergencies.

Nonemergencies — psirt@cisco.com

In an emergency, you can also reach PSIRT by telephone:

1 877 228-7302

1 408 525-6532


Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive information that you send to Cisco. PSIRT can work from encrypted information that is compatible with PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy
.htm

The link on this page has the current PGP key ID in use.


Obtaining Technical Assistance

Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco Technical Support & Documentation website on Cisco.com features extensive online support resources. In addition, if you have a valid Cisco service contract, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not have a valid Cisco service contract, contact your reseller.

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Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting a web or phone request for service. You can access the CPI tool from the Cisco Technical Support & Documentation website by clicking the Tools & Resources link under Documentation & Tools. Choose Cisco Product Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.


Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

To open a service request 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: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—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.

Severity 2 (S2)—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.

Severity 3 (S3)—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.

Severity 4 (S4)—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

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