13 Jul
2018
13 Jul
'18
6:12 p.m.
Hello.
My uplink usually gives ringback as both 183 Progress with SDP and 180 Ringing also with
(different) SDP. One of my clients can't handle that behavior and it just don't
plays ringback at all. Is it possible to relay only last provisional response with SDP and
drop anything else 183? Any ideas plz? Can't figure out even a logic itself.
Thanks.
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