I tried implementing internal transcoding on a Cisco 2431 IAD with no success. The setup is that from SBC inbound codec must be set to g729br8 first and then to PBX outbound codec must leave IAD at g711ulaw.
Can you give any advice as how to achieve this. See below config
The call comes in and goes dead soon after. I get a slow reorder like tone.
When call comes in I do sh sdspfarm sessions active but their is no activity. The sccp connection is active and up.
Unfortunately the device was rolled back to an old config and pointed to an asterisk box in the interest of the customer as such I cannot run the debugs you ask for.
So yes transcoding isnt working.
When inbound call comes in and I ran 'sh call active voice com' I see incoming leg at g729br8 and outgoing at g711ulaw then I repeat the command and see both incoming leg and outgoing leg change to g711ulaw just before the call fails.
Sad thing is that I have no visibility into the PBX. All I know is that it accepts only g711ulaw in and outbound.
You said the call changed to g711ulaw, so that suggests the g729 part of the call was xcoded to g711u. Otherwise you would see the call remaining as g729/g711.. The only strange this is that you said you dont see an active session on the xcoder.
Ideally this is what will happen. The side of the call that needs xcoder will do g711 to the xcoder and the othersie will use whatever codec is set either on dail-peer or region..
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...
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