Hello!
We have problems with DTMF tones on Snom D715, D765 and D725 phones on a 3CX PBX. At irregular intervals, the Snom phones stop sending DTMF tones.
After a restart, the problem is gone for a short time. But comes back at irregular intervals.
With firmware 8.9.3.66 the issue was “huge”.
It seems to be fixed in firmware 8.9.3.87.
Now, a new firmware is out: 8.9.3.88 and we have similar issues again.
DTMF works but it is delayed. If I press a button, the DTMF signal is delayed for about 10 to 15 seconds. If I press DTMF keys several times in succession, you will not hear anything at first (no sound will be sent). Then suddenly all sounds are sent at once.
Sometimes it works still fine. Sometimes with delay.
We also unse the Snom DECT M700 system. DTMF here works perfect.
Best Answer
F
Franz
said
over 2 years ago
Hello! We changed the setting
Identity X >> SIP >> DTMF via SIP INFO : sip info only
It looks the issue is solved. It seems to be more a 3CX than a snom issue.
Franz
We changed the setting
Identity X >> SIP >> DTMF via SIP INFO : sip info only
It looks the issue is solved.
It seems to be more a 3CX than a snom issue.
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Sorted by Oldest FirstPhillip Pfaff | Neturius GmbH
Hi... we have the same issue :-(
Franz
Are you using 3CX?
Phillip Pfaff | Neturius GmbH
Yes 3CX.
Catalina Moritz
Hello,
After how much time does the issue occur after reboot?
We have an existing issue (SCPP-8179) and we're working on it.
In the meanwhile can you try to change the following setting: http://wiki.snom.com/Settings/user_dtmf_info to value "sip_info_only" or "on" ?
Thanks
Catalina
Michael Schwenke
We have the same issue with D375 and 3cx. 8.9.3.88. But i do not find the DTMF setting.
regards
Michael
Catalina Moritz
Hi Michael,
The setting is here: Identity X -> SIP -> DTMF via SIP INFO
Regards
Catalina
Franz
We changed the setting
Identity X >> SIP >> DTMF via SIP INFO : sip info only
It looks the issue is solved.
It seems to be more a 3CX than a snom issue.
SUPPORT
We have the same problem with the Snom D785 with the FW snomD785-SIP 10.1.37.11.
We have changed the setting <DTMf via SIP> but the problem persists.
We use 3CX.
Thank you in advance.
Sidaty Khalihina
Hello,
This issue should be fixed in the current release; please give it a try:
https://service.snom.com/display/wiki/10.1.42.14+Release
Let's know if it still persists.
Best Regards
snom support team
Michael Hirschligau
Hi,
we have a C520 with this Firmware: 1.40.32-0-ENG
we are using a swyx server.
Settings: DTMF Method: SIP Info
After we have enter a pin to enter a virtuell conference room and press # the call will be end automaticlly.
Any fixes?
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