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  1. J.S.

    Avaya IP-Office SIP line registration qop=auth parameter missing

    It is a new Vodafone SIP trunking product with Registration. Maybe anyone else here in this Chat has knowledge about that topic? Are here maybe some Engineers from Avaya who Can help here? Thank you very much.
  2. J.S.

    Avaya IP-Office SIP line registration qop=auth parameter missing

    Hello, we noticed a bit of an incompatibility issue between a Avaya IP-Office PBX and the Core network. When the user (IP-Office) tries to register, the S-CSCF rejects the registration request due to the missing QOP (quality of protection) parameter in the Authorization header. Is here anybody...

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