08-17-2012 01:12 PM - edited 03-16-2019 12:45 PM
Hi, i'm running Callmanger express ios version c2900-universalk9-mz-SPA.152-2.T1.bin; i have one 7962 (sccp) phone and 5 3905 (sip) phones; the router is connected to pstn trough 4 FXO ports. The problem is that i can not pass outbound DTMF to the pstn when calling from 3905 phones, everything is working fine when calling from 7962. The frimware verison of 3905 phones is CP3905.9-2-1-0.
Thank you.
08-23-2012 04:15 AM
Have you configured the dtmf relay on the phone..
voice register pool x
dtmf-relay rtp-nte
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08-23-2012 05:42 AM
Yes, but remember i'm not using ip trunks (voip dial-peer) i'm using pots over FXO ports.
09-18-2012 05:02 PM
Hi pedro , i have a lot of troubles with this cheap phones, and I have FXO too, I have the same dtmf , check my config its working now..
voice register pool 13
id mac 5C50.1545.99AD
session-transport tcp
type 3905
number 1 dn 5
dialplan 1
dtmf-relay rtp-nte
username 8565 password 8565
codec g711ulaw
no vad
after-hour exempt
I have this dial Plan as well..
voice register dialplan 1
type 7940-7960-others
pattern 1 9........
pattern 2 9044..........
pattern 3 9045..........
pattern 4 901..........
pattern 5 8...
pattern 6 1..
and every time you make a change you have to run this commando,
create profile > on voice global register and reload the phone.
I have other issues with this phones.. one is one way audio and the work arround is to press the speaker button twice and the audio comes magically!!, this is crazy!!
09-25-2012 11:17 AM
Hi, the problem was a firmware issue, Cisco TAC send me the 9.2.(2) ES1 version and now dtmf works well.
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