Recent content by tchamber

  1. Remote extension can't answer incoming call

    Hi, To clarify, the Poly UCS release 6.2.0 is a special release intended for phones running Skype for Business only. The latest OpenSIP - supported Poly UCS version is 6.1.2, this supports all 3CX features including STUN. 6.3.0 is due out within the next couple of months and that and all...