[asterisk-users] Asterisk and Cisco DTMF

[Szasz Szabolcs]

Hi,

I have encountered a DTMF issue. My scenario:

Access carrier-----sip---->
Asterisk-1.4.25.1-----sip---->CiscoGW-----ISDN----->TDM Switch

the access carrier sends to Asterisk out of band (rfc2833) dtmf, Asterisk
forwards it with SIP INFO method to Cisco gateway, but on TDM switch every
digit is duplicated. Is it possible that the carrier sends inband along with
rfc2833?


Kind regards,

Szabolcs Szasz
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