I am using Cisco 3640 having NM-HDV-E1 connected to a Meridian 61 C. This is a call center setup using a VoIP network. All the calls are terminated onto this Cisco 3640, which would forward the calls to Meridian over the E1 connection. I am using E1-R2 signaling. The calls are being forwarded to the PBX, but dtmf is having some problems. I have used "debug vtsp" and found that digits are being received on the router, but either these are not being forwarded to PBX, or PBX is unable to receive it as IVR (connected to PBX) is not responding.
Is there some some known dtmf related problem with the R2 signaling or some modification in the configuration is required.
The simple sample configuration i m using is as:
controller E1 2/0
ds0-group 1 timeslots 1-15,17-31 type r2-digital dtmf dnis
If this system has the call looping (hairpinning) from the FXS port to the E1 port, the audio is being sent as straight PCM - there is no compression done so the DTMF will not be changed at all. Does the debug vtsp show the digits being sent towards the R2 trunk ?
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
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
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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 ...
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