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  1. 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...