Release Notes
Use these release notes with the following Cisco IP Phone 6800 Series Multiplatform Phones running SIP Firmware Release 11.3(3)SR1.
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Cisco IP Phone 6821 Multiplatform Phones
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Cisco IP Phone 6841 Multiplatform Phones
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Cisco IP Phone 6851 Multiplatform Phones
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Cisco IP Phone 6861 Multiplatform Phones
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Cisco IP Phone 6871 Multiplatform Phones
 Note |
This document doesn't include the DECT phones. |
The following table describes the individual phone requirements.
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Phone |
Support Servers |
|---|---|
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Cisco IP Phone 6800 Series Multiplatform Phones |
Cisco BroadWorks 24.0 MetaSphere CFS version 9.5 Asterisk 13.0 |
Related Documentation
Cisco IP Phone 6800 Series Documentation
See the publications that are specific to your language, phone model, and multiplatform firmware release. Navigate from the following Uniform Resource Locator (URL):
New and Changed Features
This release is a maintenance release and doesn't contain any new or enhanced features.
To view the resolved and open caveats for this release, see View Caveats.
Upgrade the Firmware
You can upgrade the phone firmware with TFTP, HTTP, or HTTPS. After the upgrade completes, the phone reboots automatically.
Procedure
| Step 1 |
Click this link: https://software.cisco.com/download/home/286318380 On the Software Download web page that is displayed, ensure that IP Phone 6800 Series with Multiplatform Firmware is selected in the middle pane. |
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| Step 2 |
Select your phone model in the right pane. |
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| Step 3 |
On the next page that is displayed, select Multiplatform Firmware. |
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| Step 4 |
On the next page that is displayed, select 11.3.3 MSR1 in the All Releases > MPPv11 folder. |
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| Step 5 |
(Optional) Place your mouse pointer on the file name to see the file details and checksum values. |
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| Step 6 |
Download the corresponding file.
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| Step 7 |
Click Accept License Agreement. |
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| Step 8 |
Unzip the file and place the files in the appropriate location on your upgrade server. The appropriate location is the TFTP, HTTP, or HTTPS download folder, depending on the protocol that you want to use for the upgrade. |
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| Step 9 |
Upgrade the phone firmware with one of these methods.
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Limitations and Restrictions
Phone Behavior During Times of Network Congestion
Anything that degrades network performance can affect phone audio and, in some cases, can cause a call to drop. Sources of network degradation can include, but are not limited to, the following activities:
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Administrative tasks, such as an internal port scan or security scan
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Attacks that occur on your network, such as a Denial of Service attack
Caveats
View Caveats
You can search for caveats (bugs) with the Cisco Bug Search tool.
Known caveats are graded according to severity level, and are either open or resolved.
Before you begin
Procedure
| Step 1 |
Click one of the following links:
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| Step 2 |
When prompted, log in with your Cisco.com user ID and password. |
| Step 3 |
(Optional) For information about a specific caveat, enter the bug ID number (CSCxxnnnnn) in the Search for field, and press Enter. |
Open Caveats
The following list contains the severity 1, 2, and 3 defects that are open for the Cisco IP Phone 6800 Series Multiplatform Phones that use Firmware Release 11.3(3)SR1.
For more information about an individual defect, you can access the online history for the defect by accessing the Bug Search tool and entering the Identifier (CSCxxnnnnn). You must be a registered Cisco.com user to access this defect information.
Because the 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 the resolved defects or to view specific bugs, access the Bug Search Toolkit as described in the View Caveats.
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CSCvv21588 6821/7811/7832: PSK labels for Extend PSK functionality feature are truncated
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CSCvw82717 MPP phones - SBC is rejecting a specific line-seize SIP SUBSCRIBE
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CSCvv20301 POR: Not all characters are shown in the character preview pop-up
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CSCvv51309 MPP software is not completing the ICE procedures when placing a call to L2SIP
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CSCvw21396 ICE, Offer not having ICE candidates should be handled
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CSCvw42896 Phone can scan out the hidden SSID and appears in the scan list as a messy code
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CSCvw56643 Will not get the new IP address after changing the VLAN of the switch port
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CSCvw72979 Phone will show the call center softkey after answer executive or call forward call.
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CSCvw87814 Dropped Media from ICE enabled Device on Non ICE Call Path
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CSCvx05369 Add directories shortcut key to kem,it will work slowly after reboot
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CSCvx05499 Two "Anonymous" were shown on LCD when share
Resolved Caveats
The following list contains the severity 1, 2, and 3 defects that are resolved for the Cisco IP Phone 6800 Series Multiplatform Phones that use Firmware Release 11.3(3)SR1.
For more information about an individual defect, you can access the online history for the defect by accessing the Bug Search tool and entering the Identifier (CSCxxnnnnn). You must be a registered Cisco.com user to access this defect information.
Because the 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 the resolved defects or to view specific bugs, access the Bug Search Toolkit as described in the View Caveats.
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CSCvx67007 MPP phones - ‘200 OK’ with SDP in response to ‘INVITE’ request is not correct
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CSCvx38703 Phone cold rebooting upon expiration of download timer
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CSCvx38710 Logs are lost upon cold reboot
Cisco IP Phone Firmware Support Policy
For information on the support policy for phones, see https://cisco.com/go/phonefirmwaresupport.
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