Can the NM-HD-2VE support echo cancellation greater than 32 ms?
I have a customer with echo on their PRI gateway, CCM 3.3(3). In the past I have extended the echo cancellation to 64 ms to cure echo. This is the first time using this combination of hardware for PRI and I cannot find how to extend the tail coverage.
The module is installed in a 3725 with one VWIC-1MFT-T1 (PRI) and one VIC2-2FXS. The current IOS is 12.2.(15)ZJ. I also tried 12.3(4)T4 but still no echo coverage greater than 32 ms. I have tried changing the codec complexity on the voice card to medium and high, but all that did was provide less channels on the PRI.
The G.168 echo canceller which allows longer tail coverage was not introduced for the NM-HD-2VE until 12.3(4)XD or 12.3(7)T. If you upgrade to either of these IOS's you will have access to the extended ecan commands.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
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Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...