Microsoft Teams Direct Routing & Audiocodes SBCs – Replaces Header

Microsoft have recently announced MC299922, aka “Direct Routing will stop processing SIP requests which have ‘Replaces’ headers”. The timescale is fairly aggressive as from the 3rd January 2022, Microsoft will start updating their platform to reject SIP requests that have ‘Replaces’ headers. Works are expected to be completed by mid-January 2022, and this is going… Continue reading Microsoft Teams Direct Routing & Audiocodes SBCs – Replaces Header