Cisco Wireless IP Phone 8821 and 8821-EX Release Notes for Firmware Release 11.0(6)

These release notes support the Cisco Wireless IP Phone 8821 and 8821-EX Firmware Release 11.0(6).

The following table describes the systems and versions that the phone requires.

Table 1. Call Control Systems

Call Control System

Minimum Version

Recommended Versions

Cisco Unified Communications Manager

9.1(2)

10.5(2), 11.0(1), 11.5(1), 12.0(1), 12.5(1), and later

Cisco Unified Communications Manager Express

10.5 through Fast Track

11.7 and later

Cisco Unified Survivable Remote Site Telephony

10.5

11.7 and later

Table 2. Wireless Access Points

Access Point Hardware

Minimum Version

Recommended Versions

Cisco AireOS Wireless LAN Controller

8.0.121.0

8.0.152.0, 8.2.170.0, 8.3.150.0, 8.5.161.0, 8.8.130.0, 8.10.130.0

Cisco Catalyst IOS XE Wireless LAN Controller

16.12.1s

16.12.3

Cisco Mobility Express

8.3.143.0

8.3.150.0, 8.5.161.0, 8.8.130.0, 8.10.130.0

Cisco IOS Access Points (Autonomous)

12.4(21a)JY

12.4(25d)JA1, 15.2(4)JB6, 15.3(3)JD17, 15.3(3)JF12i, 15.3(3)JPJ4

Cisco Meraki

MR 25.9, MX 13.33

MR 26.8.1, MX14.42

New and Changed Features

The following sections describe the features that are new or have changed in this release.


Note

Some features may require the installation of a Cisco Unified Communications Manager Device Package. Failure to install the Device Package before the phone firmware upgrade may render the phones unusable.


Cisco Wireless IP Phone 8821 Silicone Case

You can purchase the Cisco Wireless IP Phone 8821 Silicone Case. The case fits over either wireless phone model. It has these benefits:

  • Hypoallergenic

  • Antimicrobial

  • Resistant to wear from 15% alcohol, 75% alcohol, 2.5% hydrogen peroxide, mineral oil, soap, water, bleach, and dish soap.


    Note

    Use the lowest-strength cleaning agent to prolong the life and look of the case.


  • Reduces damage when the phone is dropped

  • Better phone coverage because it covers more of the phone than the other cases.

The case doesn't need to be removed to charge the battery in the desktop charger or multicharger. You remove the cup in the charger to place the phone and case into the charger.

Where to Find More Information

Cisco Wireless IP Phone 8821 and 8821-EX Accessory Guide

Features Available with the Firmware Release

The following sections describe the features available with the Firmware Release.

Increase Maximum Extract Password Length for Certificates

Manually-installed user certificates can have a maximum extract password of 16 characters instead of the previous 12 characters.

Where to Find More Information

Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide

Location Reporting

The phones now report their location to Cisco Unified Communications Manager (Unified CM). Unified CM stores this information.

The wireless phones report their location when they first register. They report their location when the location changes; for example, when walking around the building. The wireless phones also report their location every 24 hours if they are not moving.

There is no administrator or user impact to this feature.

This feature requires Cisco Unified Communication Manager Release 11.0 or later. This feature also requires an updated locale file.

Where to Find More Information

Cisco Unified Communications Manager documentation

Features Available with the Latest Cisco Unified Communications Manager Device Pack

The following sections describe features in the release which require the new firmware and the latest Cisco Unified Communications Manager Device Pack. The applicable device packs are released after the firmware release.

For information about the Cisco Unified IP Phones and the required Cisco Unified Communications Manager device packs, see the following URL:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/compat/devpack_comp_mtx.html

Configurable Application Timer

You can configure the application timer to 5 (default) or 20 seconds. This timer controls how long the phone waits after an application message is sent to a phone before it identifies a communication issue.

Previously, the timer was set to five seconds. If the action (for example, play a ringtone) took longer than the timer, the timer expired and an error message (405) was sent to the logging system.

In Cisco Unified Communications Manager Administration, set the field Application Request Timer in the Device > Phone page.

Where to Find More Information

Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide

Configurable Left Softkey

You can configure the left softkey of an inactive phone to be:

  • None

  • Favorites (default)

  • Local Contacts

  • Voicemail

In Cisco Unified Communications Manager Administration, set the field Left Softkey in the Device > Phone page.

Where to Find More Information
  • Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide

  • Cisco Wireless IP Phone 8821 and 8821-EX User Guide

Related Documentation

Use the following sections to obtain related information.

Cisco Wireless IP Phone 882x 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/support/collaboration-endpoints/unified-ip-phone-8800-series/tsd-products-support-series-home.html

The Deployment Guide is located at the following URL:

https://www.cisco.com/c/en/us/support/collaboration-endpoints/unified-ip-phone-8800-series/products-implementation-design-guides-list.html

Installation

Installation Requirements

Before you install the firmware release, you must ensure that your Cisco Unified Communications Manager is running the latest device pack. The applicable device packs are released after the firmware release. After you install a device pack on the Cisco Unified Communications Manager servers in the cluster, you need to reboot all the servers.


Note

If your Cisco Unified Communications Manager does not have the required device pack to support this firmware release, the firmware may not work correctly.


For information on the Cisco Unified Communications Manager Device Packs, see https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/compat/matrix/CMDP_BK_CCBDA741_00_cucm-device-package-compatibility-matrix.html.

Install Firmware Release 11.0(6) on Cisco Unified Communications Manager

Before you can use the phone firmware release on the Cisco Unified Communications Manager, you must install the latest Cisco Unified Communications Manager firmware on all Cisco Unified Communications Manager servers in the cluster.

Procedure


Step 1

Go to the following URL:

Step 2

Choose Cisco IP Phone 8800 Series.

Step 3

Choose Cisco Wireless IP Phone 8821.

Step 4

Choose Session Initiation Protocol (SIP) Software.

Step 5

In the Latest Releases folder, choose 11.0(6).

Step 6

Select the firmware file, click the Download or Add to cart button, and follow the prompts.

Firmware file: cmterm-8821-sip.11-0-6-7.k3.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 7

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.

Step 8

Follow the instructions in the readme file to install the firmware.


Install Firmware Release 11.0(6) on Cisco Communications Manager Express

You must download the Cisco Wireless IP Phone 8821 firmware image file from the software download center.

For information on Cisco Unified Communications Manager Express support, see http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/feature/phone_feature/phone_feature_support_guide.html.

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

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm.html

Procedure


Step 1

To access the firmware files, go to this URL:

Step 2

Choose Cisco Wireless IP Phone 8821.

Step 3

Choose Session Initiation Protocol (SIP) Software.

Step 4

Choose 11.0(6) in the Latest Releases folder.

Step 5

Click Download or Add to cart and follow the prompts.

The file to download is cmterm-8821.11-0-6-7.zip

Step 6

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


Limitations and Restrictions

Phone Behavior During Times of Network Congestion

  • 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.

Recording Tone Volume Limitation

If you use the recording feature, we recommend that you change the Recording Tone Local Volume configured in Cisco Unified Communications Manager (Unified CM). Change the field from the default of 100 to 20.

The Unified CM device packs (October 2017 and later) have the default set to 20.

For more information, look at CSCvc14605 using https://tools.cisco.com/bugsearch.

TLS 1.2 Tunnel Limitation with ISE 2.0 to 2.3

To support a TLS 1.2 tunnel between the phone and the Cisco Identity Service Engine (ISE) server, the ISE patch to resolve CSCvm03681 must be applied. This patch is required for ISE servers running Release 2.0 to 2.3; ISE Release 2.4 and later include the patch.

Caveats

View Caveats

You can search for caveats using the Cisco Bug Search tool.

Known caveats (bugs) are graded according to severity level, and can be either open or resolved.

Before you begin

To view caveats, you need the following items:

  • Internet connection

  • Web browser

  • Cisco.com user ID and password

Procedure


Step 1

Perform one of the following actions:

Step 2

When prompted, log in with your Cisco.com user ID and password.

Step 3

(Optional) Enter the bug ID number in the Search for field, then press Enter.


Open Caveats

The following list contains the severity 1, 2, and 3 defects that are open for the Cisco Wireless IP Phone 8821 and 8821-EX that use Firmware Release 11.0(6).

For more information about an individual defect, you can access the online record for the defect from the Bug Search Toolkit. 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 or to view specific bugs, access the Bug Search Toolkit as described in View Caveats.

  • CSCvh47665 No Secure tone played on protected phones while enable speaker

  • CSCvm66028 Phone will eventually loose WiFi when roaming between 2 AP's set at 80MHz/40MHz

  • CSCvm69293 Network configuration info not displayed on current wlan profile

  • CSCvm74978 8821 phone sometimes couldn't receive the EAP identity request on 2.4G JFW test bed.

  • CSCvn05182 UI error while enable FAC

  • CSCvn18501 MLPP priority lost in session bubble during xfer/conference

  • CSCvn25375 Failed to run Codenomicon TLS client test suite on 8821

  • CSCvn58894 8821 Persional Directory Login should not display again after success login & exit without logout

  • CSCvn63992 UI: missing SSID if in neighbor list before WLAN connection

  • CSCvn81608 Java process sometimes has significant delay in receiving events from wlanmgr after OOR & In Range

  • CSCvo05996 No Recording Tone heard after hold/resume several times.

  • CSCvo08723 Phone not able to re-connect to highest priority WLAN profile after connect to lower priority one

  • CSCvo10371 Phone did not do full authentication after deauth 7 causing call preservation

  • CSCvo46442 Phone shut down when battery was showing 13%

  • CSCvo74044 Hear short sharp ring tone during hold revert with Chirp1&2 ringtone and RIU session.

  • CSCvo74177 Sometimes(90%) ringer is very low in hold reversion state when ringer volume is maximized

  • CSCvo74782 Phone log and multimeter discrepancy when measuring battery at full charge and drained

  • CSCvo74800 Voltage loss of 1V shown in phone log after boot with fully charged battery

  • CSCvo82607 Wrong behavior after press red key on originator phone in conference call when failover to SRST

  • CSCvp14422 Phone will not roam from 5GHz WLAN profile to 2.4GHz WLAN profile if SSID disabled via WLC

  • CSCvq22593 kernel timer didn't follow the interval parameter set by user space application (wlanmgr)

  • CSCvr86735 Phone does not ring for hold reverted call after disconnecting another active call

  • CSCvs16657 Call is automatically muted when dock station power is disconnected

  • CSCvs85963 'undefined' and 'Rcvr packets' swapping on Call statistics screen

  • CSCvt02503 Phone no longer plays recording tone after a few calls

  • CSCvv04725 8821 has no dial tone after fallback from srst to cucm

  • CSCvv45769 8821 can't set local time from LCD if its dhcp server has option 42 configured

Resolved Caveats

The following list contains the severity 1, 2, and 3 defects that are resolved for the Cisco Wireless IP Phone 8821 and 8821-EX that use Firmware Release 11.0(6).

For more information about an individual defect, you can access the online record for the defect from the Bug Search Toolkit. 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 resolved at the time this report was compiled. For an updated view of resolved defects or to view specific bugs, access the Bug Search Toolkit as described in View Caveats.

  • CSCvh27418 Transfer soft key shall be grey before C answer while semi-transfer is disabled

  • CSCvm58907 Firmware sometimes couldn't complete the fresh association

  • CSCvm87368 Phone can't get ip address when DHCP option 150 field configured with MaxLength

  • CSCvm95611 XML message does not display on lock screen if http url priority is 1 or 2

  • CSCvn07039 \"Error:Invalid Code in Speed dial\" not display while press SD including error FAC or CMC

  • CSCvn41362 cp8821:no \"CAL Text#\" displayed in \"incoming call toast\"

  • CSCvn43154 No \"details\" softkey in multi-leg call history

  • CSCvn64510 Neighbor list shows multiple AP's and does not update when in Single AP mode

  • CSCvn66303 Phone not vibrate while with hold or RIU session when vibrate on ring:on

  • CSCvo09354 No toast message displayed after unchecking \"Logged into Huntgroup\" checkbox

  • CSCvo26159 8821 failing to roam flexconnect over the air after reassoc_resp it tries to auth with previous AP

  • CSCvo30508 Softkey options shouldn't be shown in line missed calls page if blank

  • CSCvo32881 Both speaker icon displayed when setting auto answer with speaker on shared line

  • CSCvo37017 The ring doesn't play when a call in hold revert

  • CSCvo44285 Multiple Vulnerabilities in qt (CVE-2018-19870)(CVE-2018-15518)

  • CSCvo45809 OpenSSH Bailout Delaying User Enumeration Vulnerability (CVE-2018-15473)

  • CSCvo45811 Multiple Vulnerabilities in glibc

  • CSCvo55873 CFW info on non-primary line shall not be carried to SRST

  • CSCvo78333 Conference call UI display error on SRST

  • CSCvp00913 After disable SSH Access from CUCM, still can access phone via SSH on rel phone

  • CSCvp02109 UI got into abnormal state after exiting PRT prior to completion then back to Settings when done

  • CSCvp07713 WLAN diag not showing 2.4GHz AP's in WLAN profile set for 2.4GHz

  • CSCvq25311 Multiple Vulnerabilities in dbus

  • CSCvq31290 BusyBox add_match Function Arbitrary Code Execution Vulnerability

  • CSCvq76705 Observe battery level 99%~100% floating issue after fully charged

  • CSCvq80441 Cisco 8821 Wireless IP Phone Key Negotiation of Bluetooth Vulnerability

  • CSCvr06067 Dnsmasq DNS Packet Processing Buffer Overflow Vulnerability

  • CSCvr30314 Multiple Vulnerabilities in linux kernel (CVE-2019-10638 and CVE-2019-10639)

  • CSCvr54353 Linux Kernel CVE (CVE-2019-16413 to CVE-2019-3874)

  • CSCvr55596 cURL and libcurl tftp_receive_packet() Function Heap Buffer Overflow ...

  • CSCvr57950 Phone continues blinking amber after shared line answers 2nd incoming call

  • CSCvr70039 Vulnerability in linux kernel (CVE-2019-11190)

  • CSCvr71242 Vulnerability in linux kernel (CVE-2019-11599)

  • CSCvr71414 Vulnerability in linux kernel (CVE-2019-15214)

  • CSCvr76650 Vulnerability in linux kernel (CVE-2019-15916)

  • CSCvr87703 Vulnerability in linux kernel (CVE-2019-15666)

  • CSCvr89188 Vulnerability in linux kernel (CVE-2019-16994)

  • CSCvr94805 Vulnerability in linux kernel (CVE-2019-15927)

  • CSCvs22379 Single click on green button sometimes triggers Redial

  • CSCvs33435 Linux Kernel Use-After-Free Vulnerability CVE-2017-10661

  • CSCvs61484 Multiple Vulnerabilities in linux_kernel CVE-2018-10879

  • CSCvs63233 Multiple Vulnerabilities in linux_kernel CVE-2018-5344

  • CSCvs76925 libxml2 xmlParseBalancedChunkMemoryRecover Memory Leak Vulnerability

  • CSCvs77087 cURL FILE: URL Creation Vulnerability

  • CSCvs87896 CVE-2019-15126: WPA and WPA2 Information Disclosure Vulnerability

  • CSCvs95078 Qt SVG Document Exponential XML Entity Expansion Attack Vulnerability

  • CSCvt00332 CDP parameter configuration does not show on phone webpage

  • CSCvt00409 Multiple Vulnerabilities in zlib 1.2.8

  • CSCvt01522 8821:roaming: after re-association phone responds with ACK to frames from previous AP

  • CSCvt08482 Multiple Vulnerabilities in linux_kernel CVE-2019-19252

  • CSCvt16802 Unable to answer incoming call from wired headset when keypad is locked

  • CSCvt27645 Cisco IP Phone Call Log Information Disclosure Vulnerability

  • CSCvt81786 xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, ...

  • CSCvt85130 Buffer overflow in libxml2 allows remote attackers to execute arbitr ...

  • CSCvt87456 WLAN chip crashing on 8821 phones due to CCKM roaming failure.

  • CSCvt96006 libcurl curl_easy_unescape Heap Overflow Remote Code Execution Vulne ...

  • CSCvu00767 8821 WLAN Manager is reporting no roaming candidates

  • CSCvu16168 Evaluation of sl-wireless-phones for Method Confusion Pairing Vulnerability for LE and BR/EDR Implem

  • CSCvu52381 CP-8821 - After AP sends a Deauth the WPA_supplicant is stuck in the disconnected state

  • CSCvu74127 WLAN manager report \"No valid APs\" after a roaming is skipped during the EAP authentication

  • CSCvu97168 CIAM: linux-kernel 3.0.31 (CVE-2014-2523)

  • CSCvv41751 CIAM: linux-kernel 3.0.31 CVE-2016-10229

Cisco Unified Communication Manager Public Keys

To improve software integrity protection, new public keys are used to sign cop files for Cisco Unified Communications Manager Release 10.0.1 and later. These cop files have "k3" in their name. To install a k3 cop file on a pre-10.0.1 Cisco Unified Communications Manager, consult the README for the ciscocm.version3-keys.cop.sgn to determine if this additional cop file must first be installed on your specific Cisco Unified Communications Manager version. If these keys are not present and are required, you will see the error "The selected file is not valid" when you try to install the software package.

Unified Communications Manager Endpoints Locale Installer

By default, Cisco IP Phones are set up for the English (United States) locale. To use the Cisco IP Phones in other locales, you must install the locale-specific version of the Unified Communications Manager Endpoints Locale Installer on every Cisco Unified Communications Manager server in the cluster. The Locale Installer installs the latest translated text for the phone user interface and country-specific phone tones on your system so that they are available for the Cisco IP Phones.

To access the Locale Installer required for a release, access https://software.cisco.com/download/navigator.html?mdfid=286037605&flowid=46245, navigate to your phone model, and select the Unified Communications Manager Endpoints Locale Installer link.

For more information, see the documentation for your particular Cisco Unified Communications Manager release.


Note

The latest Locale Installer may not be immediately available; continue to check the website for updates.


Cisco IP Phone Documentation Updates on Cisco Unified Communications Manager

The Cisco Unified Communications Manager Self Care Portal (Release 10.0 and later) and User Options web pages (Release 9.1 and earlier) provide links to the IP Phone user guides in PDF format. These user guides are stored on the Cisco Unified Communications Manager and are up to date when the Cisco Unified Communications Manager release is first made available to customers.

After a Cisco Unified Communications Manager release, subsequent updates to the user guides appear only on the Cisco website. The phone firmware release notes contain the applicable documentation URLs. In the web pages, updated documents display "Updated" beside the document link.


Note

The Cisco Unified Communications Manager Device Packages and the Unified Communications Manager Endpoints Locale Installer do not update the English user guides on the Cisco Unified Communications Manager.


You and your users should check the Cisco website for updated user guides and download the PDF files. You can also make the files available to your users on your company website.


Tip

You may want to bookmark the web pages for the phone models that are deployed in your company and send these URLs to your users.