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I am using asterisk 10 with confbridge and have set a menu option in confbridge for key press 1. I am using voipvoip sip trunking services to call to phone numbers.
The problem is sometimes when the user presses 1 or any key then it’s not detected(The menu option defined for that dtmf is not performed). This is particularly happening on Indian phone numbers.
Please this is only sometimes not everytime.
Please help me, is this any configuration issue or something else.
There’s a bug that was just resolved in the 10 branch for DTMF in India (or any DTMF with a very short duration). I’m surprised that would occur over a SIP trunk, unless the DTMF was inband and not sent via an INFO request or RFC 2833.
You may want to apply the patch on the issue here to see if it resolves it for you. It was written for Asterisk 1.8, but you should be able to get it to apply:
ASTERISK-19610
Alternatively, you can get a diff of the commit that fixed this issue directly from the Asterisk 10 branch: