Cisco Unified IP Conference Phone 8831 Multiplatform Phones Release Notes for Firmware Release 9.3(4)SR3

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Updated:December 14, 2017

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Cisco Unified IP Conference Phone 8831 Multiplatform Phones Release Notes for Firmware Release 9.3(4)SR3


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Cisco Unified IP Conference Phone 8831 Multiplatform Phones Release Notes for Firmware Release 9.3(4)SR3

These Release Notes describe the Cisco Unified IP Conference Phone 8831 Multiplatform Phones running SIP Firmware Release 9.3(4)SR3.

As with any firmware release, read these release notes before the firmware upgrade. We also recommend that you back up the configuration before any firmware upgrade.

Related Documentation

Use the following sections to obtain related information.

Cisco IP Phone 8800 Series Documentation

Refer to publications that are specific to your language, phone model, and call control system. Navigate from the following documentation URL:

https:/​/​www.cisco.com/​c/​en/​us/​products/​collaboration-endpoints/​unified-ip-phone-8800-series/​index.html

New and Changed Features

This release contains no new or changed features.

Installation

Upgrade Firmware

The Cisco Unified IP Conference Phone 8831 Multiplatform Phones supports a single image upgrade by TFTP, HTTP, or HTTPS.


Note

If your conference phone has a firmware release previous to 9.4(3)SR2, the upgrade to 9.4(3)SR3 means you cannot downgrade the phone to a previous release.

If your conference phone has firmware release 9.4(2)SR2 installed and you upgrade to 9.4(2)SR3, you can downgrade the phone to 9.4(2)SR2.

Each region has a specific firmware load file. The following table gives the region and the filename of the firmware load.

Region

Filename

North America

cp-8831-sip.9-3-4-SR3-3PCC.bin.sgn

Brazil

cp-8831-sip.9-3-4-SR3-3PCC-BR.bin.sgn

Europe and Australia

cp-8831-sip.9-3-4-SR3-3PCC-EU.bin.sgn

Japan

cp-8831-sip.9-3-4-SR3-3PCC-JP.bin.sgn

Latin America

cp-8831-sip.9-3-4-SR3-3PCC-LA.bin.sgn

North America

cp-8831-sip.9-3-4-SR3-3PCC-NA.bin.sgn

Taiwan

cp-8831-sip.9-3-4-SR3-3PCC-TW.bin.sgn

Procedure
    Step 1   Put the third-party call control image (for example, cp-8831-sip.9-3-4-SR3-3PCC.bin.sgn) on the tftp, http, or https download directory.
    Step 2   Configure the Upgrade Rule on the Provisioning tab in the web page with the valid URL format:

    <schema>://<server[:port]>/filepath

    The phone can also be upgraded via a URL in the web browser:

    http://<phone_ip>/admin/upgrade?<schema>://<serv_ip[:port]>/filepath

    After the firmware upgrade completes, the phone reboots automatically.

    Limitations and Restrictions

    Phone Behavior During Times of Network Congestion

    Anything that degrades network performance can affect phone voice and video quality, and in some cases, can cause a call to drop. Sources of network degradation can include, but are not limited to, the following activities:

    • Administrative tasks, such as an internal port scan or security scan

    • Attacks that occur on your network, such as a Denial of Service attack

    Health-Care Environment Use

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

    Caveats

    Access Cisco Bug Search

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

    • All severity level 1 or 2 bugs

    • Significant severity level 3 bugs

    You can search for problems by using Cisco Bug Search.

    Before You Begin

    To access Cisco Bug Search, you need the following items:

    • Internet connection

    • Web browser

    • Cisco.com user ID and password

    Procedure
      Step 1   To access Cisco Bug Search, go to:

      https:/​/​tools.cisco.com/​bugsearch

      Step 2   Log in 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 field, then press Enter.

      Open Caveats

      There are no severity 1, 2, and 3 defects open for the Cisco Unified IP Conference Phone 8831 Multiplatform Phones Firmware Release 9.3(4)SR3.

      Resolved Caveats

      The following list contains the severity 1, 2, and 3 defects that are resolved for the Cisco Unified IP Conference Phone 8831 Multiplatform Phones Firmware Release 9.3(4)SR3.

      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 that is shown. You must be a registered Cisco.com user to access this online information.

      Because defect status continually changes, the list 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 Access Cisco Bug Search.

      • CSCuy36600 Evaluation of 3pcc-beignet for glibc_feb_2016

      • CSCvb85696 Security fix for Linux Kernel Local Privilege Escalation (Dirty CoW)

      • CSCvf80221 CP-8831-3PCC Conference call has no audio

      • CSCvg61374 Dnsmasq October 2017 vulnerabilities

      Documentation, Service Requests, and Additional Information

      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/​c/​en/​us/​td/​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.

      Copyright © 2017, Cisco Systems, Inc. All rights reserved.

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