Call Trace - 180 Ringing (F-6480)
In the call trace below, the 2020 IMG receives a 180 Ringing message with SDP from egress or B leg of a call. The 180 Ringing Behavior field is set to 180 Ringing. The 180 Ringing message is propagated and regenerated on the ingress or A leg of the call as a 180 Ringing with ring tone but without SDP.
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