Source note · Microsoft Teams with Amazon Connect
Firewall and SBC settings must accept connections from any Microsoft signaling IP address because a REFER can arrive on a new TLS connection from a different address.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone Direct Routing
- Subsystem
- call transfer
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Issues with call transfers - Microsoft Teams — Microsoft · tier 2 current vendor documentation · No SIP REFER received by the SBC from the SIP proxy, step 2
Cite this note
APA
WarmTransfer. (2026, September 25). Microsoft Teams with Amazon Connect: source note teams-with-amazon-connect-xi-allow-all-ms-ips. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-with-amazon-connect-xi-allow-all-ms-ips
BibTeX
@misc{warmtransfer-claim-teams-with-amazon-connect-xi-allow-all-ms-ips,
title = {Microsoft Teams with Amazon Connect: source note teams-with-amazon-connect-xi-allow-all-ms-ips},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-with-amazon-connect-xi-allow-all-ms-ips},
note = {Source note teams-with-amazon-connect-xi-allow-all-ms-ips, checked 2026-09-25}
}