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  1. jjacobs83

    PBX is sending a "180 Ringing" message with an SDP

    CM 10.2. We have CareAware spectralink handheld phones, connected via SIP trunks in SM. There is a rollover message followed by U.S.-standard-ringtone. They are saying that The PBX is sending a "180 Ringing" message with an SDP, which is telling us to set up pre-answer media with the PBX, where...

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