Dynamics 365 Contact Center - Enable SIP X header support for context transfer
From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.Rollout
Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".
What the notice says
Microsoft’s text, safely structuredWe are announcing the ability to enable SIP X header support for context transfer in Dynamics 365 Contact Center. This feature will reach general availability on November 30, 2025. How does this affect me? This feature enhances contextual data exchange between voice agents and external systems in Dynamics 365 Contact Center environments using Direct Routing telephony. The feature offers two key capabilities:
- Receiving SIP X-Headers: Voice agents can access incoming SIP X header values by defining variables that match the header names.
- Sending SIP X-Headers: During external phone number transfers, voice agents can select up to five variables to pass as SIP X headers.
What action do I need to take? This message is for awareness, and no action is required.
What changed
Between archive captures, newest firstThe archive supplies one version of this notice.
Related public evidence
No related evidence found in this installation's recent collection. This does not establish that no announcement exists.
Not confirmed here
What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.