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Cisco Unified IP Phone 7900 Series

Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G Release Notes for Firmware Version 1.4(2)

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Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G Release Notes for Firmware Version 1.4(2)

Table Of Contents

Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G Release Notes for Firmware Version 1.4(2)

Contents

Related Documentation

New and Changed Information

Installation Notes

Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager

Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager Express

Installing the Bulk Deployment Utility for the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G

Installing the Cisco Unified Wireless IP Phone 792xG Configuration Utility Using the Wavelink Avalanche Server Console

Cisco Unified Wireless IP Phone 792xG Configuration Utility Requirement for Wavelink Server

Important Notes

Use in Healthcare Environments

Increasing the Debug Level in Trace Settings Can Impact Voice Quality

USB Connection Disabled After Powering Off/On the Phone

Running Game MIDlets Can Impact Voice Quality

Caveats

Using Bug Toolkit

Open Caveats

Resolved Caveats

Obtaining Documentation and Submitting a Service Request


Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G Release Notes for Firmware Version 1.4(2)


Published: November 29, 2011

Use these Release Notes with the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G running with Cisco Unified Communications Manager Release 6.0 and later, or Cisco Unified CallManager Releases 5.1, 4.3, 4.2, and 4.1.

Contents

These release notes provide the following information:

Related Documentation

New and Changed Information

Installation Notes

Important Notes

Caveats

Obtaining Documentation and Submitting a Service Request

Related Documentation

Cisco Unified IP Phone 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/hw/phones/ps379/tsd_products_support_series_home.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

Cisco Unified Communications Manager Express Documentation

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

http://www.cisco.com/en/US/products/sw/voicesw/ps4625/tsd_products_support_series_home.html

Cisco Unified Wireless IP Phone 7925G Deployment Guide

Refer to the Cisco Unified Wireless IP Phone 7925G Deployment Guide. Navigate from the
following URL:

http://www.cisco.com/en/US/products/hw/phones/ps379/products_implementation_design_guides_
list.html

New and Changed Information

This release contains significant enhancements to the channel scanning algorithms. These enhancements are designed to deliver the optimal balance between inter-band roaming and earlier channel scanning capabilities, which did not support inter-band roaming. These enhancements have undergone considerable evaluation and can be expected to improve the performance of Cisco Wireless IP phones as they move between coverage cells.

Installation Notes

This section contains these topics:

Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager

Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager Express

Installing the Bulk Deployment Utility for the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G

Installing the Cisco Unified Wireless IP Phone 792xG Configuration Utility Using the Wavelink Avalanche Server Console

Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager

Before using the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G with Cisco Unified Communications Manager, you must install the latest firmware on all Cisco Unified Communications Manager servers in the cluster.

Before You Begin

To make the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G available in the Cisco Unified Communications Manager system, you might need to upgrade your system with the latest DevPack patch for your release of Cisco Unified Communications Manager.

Check the Readme file that is posted with the firmware version 1.4(2) for more information:

For Cisco Unified Wireless IP Phone 7921G, the Readme file is cmterm-7921-sccp.1-4-2-Readme.html.

For Cisco Unified Wireless IP Phone 7925 and 7925G-EX, the Readme file is cmterm-7925-sccp.1-4-2-Readme.html.

For Cisco Unified Wireless IP Phone 7926G, the Readme file is cmterm-7926-sccp.1-4-2-Readme.html.

To download and install the firmware, follow these steps:

Procedure


Step 1 To access the firmware files, go to this URL:

http://www.cisco.com/cisco/software/navigator.html?mdfid=268437892&flowid=5293

Step 2 Choose Cisco Unified IP Phones 7900 Series.

Step 3 Choose Cisco Unified Wireless IP Phone 7921G, Cisco Unified Wireless IP Phone 7925G, or Cisco Unified Wireless IP Phone 7926G.

Step 4 Choose Skinny Client Control Protocol (SCCP) Software.

Step 5 Choose 1.4(2) under the Latest Releases folder.

Step 6 Depending on the switch, click one of the hyperlinks, and follow the prompts to download the firmware:

For Cisco Unified CallManager release 4.3 and earlier:

Phone
Filename

Cisco Unified Wireless IP Phone 7921G

cmterm-7921-sccp.1-4-2.exe

Cisco Unified Wireless IP Phone 7925G and 7925G-EX

cmterm-7925-sccp.1-4-2.exe


For Cisco Unified CallManager release 5.1 and Cisco Unified Communications Manager release 6.0 or later:

Phone
Filename

Cisco Unified Wireless IP Phone 7921G

cmterm-7921-sccp.1-4-2.cop.sgn

Cisco Unified Wireless IP Phone 7925G and 7925G-EX

cmterm-7925-sccp.1-4-2.cop.sgn

Cisco Unified Wireless IP Phone 7926G

cmterm-7926-sccp.1-4-2.cop.sgn


For image upgrade via USB:

Phone
Filename

Cisco Unified Wireless IP Phone 7921G

CP7921G-1.4.2.TAR

Cisco Unified Wireless IP Phone 7925G and 7925G-EX

CP7925G-1.4.2.TAR

Cisco Unified Wireless IP Phone 7926G

CP7926G-1.4.2.TAR


Step 7 Double-click one of the downloadable files in Step 6, and click the Readme hyperlink, under the Additional Information section, which contains installation instructions for the corresponding firmware:

Cisco Unified Wireless IP Phone 7921G: cmterm-7921-sccp.1-4-2-Readme.html

Cisco Unified Wireless IP Phone 7925G and 7925G-EX: cmterm-7925-sccp.1-4-2-Readme.html

Cisco Unified Wireless IP Phone 7926G: cmterm-7926-sccp.1-4-2-Readme.html

Step 8 Follow the instructions in the Readme file to install the firmware.


Installing Firmware Release 1.4(2) on Cisco Unified Communications Manager Express

You must download the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G version 1.4(2) firmware image file from the software download center.


Note The Cisco Unified Wireless IP Phone 7921G is supported with Cisco Unified Communications Manager Express 4.1 and later.
The Cisco Unified Wireless IP Phone 7925G and 7925G-EX are supported with Cisco Unified Communications Manager Express 4.3 and later.
The Cisco Unified Wireless IP Phone 7926G is supported with Cisco Unified Communications Manager Express 8.6 and later.


To install the firmware, follow these steps:

Procedure


Step 1 To access the firmware files, go to this URL:

http://www.cisco.com/cisco/software/navigator.html?mdfid=268437892&flowid=5293

Step 2 Choose Cisco Unified IP Phones 7900 Series.

Step 3 Choose Cisco Unified IP Phone 7921G, Cisco Unified IP Phone 7925G, or Cisco Unified IP Phones 7926G.

Step 4 On the web page, click this hyperlink, and follow the prompts to download the firmware image:

For the Cisco Unified Wireless IP Phone 7921G, cmterm-7921-sccp.1-4-2.zip

For the Cisco Unified Wireless IP Phone 7925G and 7925G-EX, cmterm-7925-sccp.1-4-2.zip

For the Cisco Unified Wireless IP Phone 7926G, cmterm-7926-sccp.1-4-2.zip

Step 5 Extract the files from the TAR image, manually copy them to Cisco Unified Communications Manager Express TFTP server (router flash), and enable them for TFTP.

For the Cisco Unified Wireless IP Phone 7921G:

CP7921G-1.4.2.LOADS

APPS-1.4.2.SBN

GUI-1.4.2.SBN

SYS-1.4.2.SBN

TNUX-1.4.2.SBN

TNUXR-1.4.2.SBN

WLAN-1.4.2.SBN

For the Cisco Unified Wireless IP Phone 7925G and 7925G-EX:

CP7925G-1.4.2.LOADS

APPSH-1.4.2.SBN

GUIH-1.4.2.SBN

JSYSH-1.4.2.SBN

JUIH-1.4.2.SBN

SYSH-1.4.2.SBN

TNUXH-1.4.2.SBN

TNUXRH-1.4.2.SBN

WLANH-1.4.2.SBN

For the Cisco Unified Wireless IP Phone 7926G:

CP7926G-1.4.2.LOADS

APPSS-1.4.2.SBN

EA15FW-BF3-220.SBN

GUIS-1.4.2.SBN

JSYSS-1.4.2.SBN

JUIS-1.4.2.SBN

SYSS-1.4.2.SBN

TNUXS-1.4.2.SBN

TNUXRS-1.4.2.SBN

WLANS-1.4.2.SBN

Step 6 For the Cisco Unified Wireless IP Phone 7921G, set the load type to CP7921G-1.4.2.LOADS

For the Cisco Unified Wireless IP Phone 7925G and 7925G-EX, set the load type to CP7925G-1.4.2.LOADS

For the Cisco Unified Wireless IP Phone 7926G, set the load type to CP7926G-1.4.2.LOADS


For more information about this procedure, refer to the "Installing and Upgrading Cisco Unified CME Software" chapter in the Cisco Unified Communications Manager Express System Administrator Guide at this URL:

http://www.cisco.com/en/US/products/sw/voicesw/ps4625/products_installation_and_configuration_guides_list.html

Installing the Bulk Deployment Utility for the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G

To install the Bulk Deployment utility, follow these steps:

Procedure


Step 1 To access the file, go to this URL:

http://www.cisco.com/cisco/software/navigator.html?mdfid=268437892&flowid=5293

Step 2 Choose Cisco Unified IP Phones 7900 Series.

Step 3 Choose Cisco Unified IP Phone 7921G, Cisco Unified IP Phone 7925G, or Cisco Unified IP Phone 7926G.

Step 4 Download the 792xBD-1.0.exe file to the desired location.

Step 5 Double-click on the file to launch the install wizard.

Step 6 At the Welcome screen, click Next.

Step 7 Click Next to accept the default destination folder as the installation path.

Step 8 Click Install to start the installation.

Step 9 Click Finish when the installation has completed.


Installing the Cisco Unified Wireless IP Phone 792xG Configuration Utility Using the Wavelink Avalanche Server Console

To install the Cisco Wireless IP Phone 792xG Configuration utility, follow these steps:

Procedure


Step 1 To access the file, go to this URL:

http://www.cisco.com/cisco/software/navigator.html?mdfid=268437892&flowid=5293

Step 2 Choose Cisco Unified IP Phones 7900 Series.

Step 3 Choose Cisco Unified IP Phone 7921G, Cisco Unified IP Phone 7925G, or Cisco Unified IP Phone 7926G.

Step 4 Download the 7921CU-1.2.1.AVA or 7926CU-1.3.1.AVA file to a host that is accessible to the Avalanche Console.

Step 5 Launch the Avalanche Console and connect to an Avalanche agent.

Step 6 Select Software Management > Installing Software Package from the menu.

Step 7 Enter the path for the 7921CU-1.2.1.AVA, 7925CU-1.3.1.AVA, or 7926CU-1.3.1.AVA file.

Step 8 Click New, and enter the 7921CU-1.2.1.AVA, 7925CU-1.3.1.AVA, or 7926CU-1.3.1.AVA file name.

Step 9 Follow the prompts to complete the installation.


Cisco Unified Wireless IP Phone 792xG Configuration Utility Requirement for Wavelink Server

For firmware release 1.4(2), Cisco Unified Wireless IP Phone 7926G Configuration Utility version 1.3(1) or the Cisco Unified Wireless IP Phone 7921G Configuration Utility version 1.2(1), depending on which model is used, is required for using the Wavelink Avalanche server to configure the phone.


Note If you use the Wavelink Avalanche Management Console to configure your phone, be aware that the Cisco Unified Wireless IP Phone 792xG Configuration Utility (CU) version 1.3(1) is labeled as 7926G, but that CU works for the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G.


Important Notes

This section provides general information about using and supporting the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G in your system:

Use in Healthcare Environments

Increasing the Debug Level in Trace Settings Can Impact Voice Quality

USB Connection Disabled After Powering Off/On the Phone

Running Game MIDlets Can Impact Voice Quality

Use in Healthcare Environments

This product is not a medical device and uses an unlicensed frequency band that is susceptible to interference from other devices or equipment.

Increasing the Debug Level in Trace Settings Can Impact Voice Quality

Voice quality can be impaired when you set system log trace files for higher debug levels. Set only the modules that are required when capturing trace files for a phone.

USB Connection Disabled After Powering Off/On the Phone

If you power off the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G with the USB cable connected and then power it on again, the USB connection might fail.

To enable the USB connection, unplug the USB cable from the phone and then plug it back in.

Running Game MIDlets Can Impact Voice Quality

If you are running a Java MIDlet game application in the background during an active call, voice quality may be affected.

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.

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 Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G using firmware release 1.4(2).

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 the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G 

Identifier
Headline

CSCtk58591

792x phone may not reconnect when invalid 5 GHz beacon received

CSCtn75346

7925 phone loses 5 GHz connection intermittently with OEAP600

CSCts15809

792x causes AES-CCMP TSC replay warnings on Cisco Aironet APs

CSCtt38270

7925 sometimes takes 1+ second to respond to WPA M1 key message

CSCtu13560

Java: MIDlet scanner buffer is fixed length and too short


Resolved Caveats

Table 2 lists Severity 1, 2, and 3 defects that are resolved for the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G using firmware release 1.4(2).

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 the Cisco Unified Wireless IP Phone 7921G, 7925G, 7925G-EX, and 7926G 

Identifier
Headline

CSCtj21700

Phone may not play out the ring tone or audio when call is in connected state

CSCtn18577

Cannot set CFwdAll to voice mail by selecting message softkey

CSCto03375

792x ring delay issues with certain ringtones

CSCto14908

7921 date could get set back to 01/01/70 causing WLAN authentication failure

CSCto75197

DHCP renewal causes call to be dropped

CSCto81494

Should allow Vibrate and Ring if minimum ring volume is set

CSCto94307

Keypad fails to auto unlock after answer a call

CSCtq23246

792x failed to track scan, resulting in Config IP message

CSCtr92521

Long caller id gets truncated


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.


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