tcp

  1. Yealink T58 UDP/TCP + Video

    Hello, We use the Yealink T58 for video calls from the door control, I can add and provision the phone with 3CX, but it will only make outgoing calls if the setting Settings>Video>Video Active is set to 'OPTIONAL' or setting the SIP transport protocol to TCP. How do I change BOTH settings in...
    • Woodster
    • Thread
    • servertransport t58 t58v tcp transporttype udp video videophone yealink yealinkt58
    • Replies: 1
    • Forum: Phone System / PBX

  2. Solved Yealinks not receiving INVITES while 3cx clients do

    Hello, We are under the following environment, using all the latest supported releases for each node: - 3cx SP6 (15.5.15502.6) - Yealinks T26P 6.73.0.60 - Yealinks T28P 2.3.0.60 A strange issue occurred on the following simple scenario: Incoming call from SIP trunk to E1 gateway - - > Ring...
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