rtp

  1. C

    RTP range change

    Hello guys, PBX: IncrediblePBX 2021.01 for Debian 10.9 Buster. Asterisk 18.2.1. Incredible GUI 15.0.22.33. Is it enough to make the RTP port range through the GUI, or do I need to run anything else in the server terminal? I've experienced some calls that when picked up, I can't hear anyone...
  2. chris_c_

    NO JOY No audio 603 Decline Nortel 1535 SIP video phone

    Alert, this is probably a stupid question, but I'm tearing out my hair over this and can't seem to find the answer. Just got the famous Nortel 1535 SIP video phone !! No joy! Calls are dropping instantly with no audio AND 603 DECLINE sip message!! Details: The phone registers OK into the...
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