Hello,
I'm a little confused on DTMF. A sip peer is registered on two Asterisk servers. No dtmfmode is set for them, the sip peer is 999 on Asterisk 1 and 999 on Asterisk 2. They both register on each other. A call comes in on Asterisk server 1, provider 1, dtmf=inband. Then the call is transferred to Asterisk 2: RetryDial(/var/lib/asterisk/sounds/connecting,15,10,SIP/[EMAIL PROTECTED],,t T,) Where 12351 accepts the call on Asterisk 2, and in some cases, that call is transferred out to a PSTN number, or wherever, but not within Asterisk anymore via provider2, dtmf=rfc2833. When the call comes in, I'd like it to relay DTMF just dandy. How can I do so? There is no NAT between the Asterisk servers or in front of them. However, Asterisk2 has iptables which allows all UDP traffic to/fro Asterisk1. When Asterisk2 transfers the call to external endpoints, there might be a LAN, but relative ports are open on those LANs. Please help. Thanks in advance, Mark.
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