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defnode
2003 Aug 15
1
DTMF SIP
...asterisk--SIP2. SIP2 is IVR type device. SIP1 and SIP2 both use g729.
When SIP1 calls SIP2, it hears the IVR, and prompt the SIP1 to punch the
keypad on the phone.
As suggested by you, I need to configure the SIP1 with out band dtmf mode ,
what is about the sip.conf, should I specify the SIP1 with demfmode=rfc2238
? do I also need to make same kind configure for the SIP2 as well or I can
configfure SIP2 with inband DTMF in sip.conf ?
Thanks,
George Lin