I have Asterisk 1.8.3 installed.
A problem is that rather frequently user can’t enter PIN to the conference bridge - it is not accepted. It doesn’t matter if IAX2 channel or SIP channel is used.
Here is a part of log file describing the issue:
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF begin ‘8’ received on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF begin passthrough ‘8’ on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘8’ received on SIP/1288-00000159, duration 60 ms
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end accepted with begin ‘8’ on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘8’ detected to have actual duration 69 on the wire, emulation will be triggered on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘8’ has duration 69 but want minimum 80, emulating on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end emulation of ‘8’ queued on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF begin ‘6’ received on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF begin passthrough ‘6’ on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘6’ received on SIP/1288-00000159, duration 60 ms
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end accepted with begin ‘6’ on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘6’ detected to have actual duration 69 on the wire, emulation will be triggered on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end ‘6’ has duration 69 but want minimum 80, emulating on SIP/1288-00000159
[Sep 1 16:59:34] DTMF[11823] channel.c: DTMF end emulation of ‘6’ queued on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF begin ‘4’ received on SIP/128800000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF begin passthrough ‘4’ on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ received on SIP/1288-00000159, duration 80 ms
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end accepted with begin ‘4’ on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ detected to have actual duration 69 on the wire, emulation will be triggered on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ has duration 69 but want minimum 80, emulating on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end emulation of ‘4’ queued on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF begin ‘4’ received on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF begin passthrough ‘4’ on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ received on SIP/1288-00000159, duration 60 ms
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end accepted with begin ‘4’ on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ detected to have actual duration 69 on the wire, emulation will be triggered on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end ‘4’ has duration 69 but want minimum 80, emulating on SIP/1288-00000159
[Sep 1 16:59:35] DTMF[11823] channel.c: DTMF end emulation of ‘4’ queued on SIP/1288-00000159
[Sep 1 16:59:36] DTMF[11823] channel.c: DTMF begin ‘#’ received on SIP/1288-00000159
[Sep 1 16:59:36] DTMF[11823] channel.c: DTMF begin passthrough ‘#’ on SIP/1288-00000159
[Sep 1 16:59:36] DTMF[11823] channel.c: DTMF end ‘#’ received on SIP/1288-00000159, duration 100 ms
[Sep 1 16:59:36] DTMF[11823] channel.c: DTMF end accepted with begin ‘#’ on SIP/1288-00000159
[Sep 1 16:59:36] DTMF[11823] channel.c: DTMF end passthrough ‘#’ on SIP/1288-00000159
If you have any idea how can it be fixed please help. Thanks.