Source note · E.164 numbering and dial string normalization
To avoid double normalization, Microsoft recommends that Direct Routing customers normalize to a '+' form in dial plans and then remove the '+' with a route-based translation rule if the SBC needs it.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- number translation
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- Translate phone numbers for Direct Routing — Microsoft · tier 2 current vendor documentation · Route-based number translations - for outbound calls, Note
Cite this note
APA
WarmTransfer. (2026, September 23). E.164 numbering and dial string normalization: source note e164-numbering-teams-dr-plus-then-strip. WarmTransfer. https://warmtransfer.net/knowledge/claims/e164-numbering-teams-dr-plus-then-strip
BibTeX
@misc{warmtransfer-claim-e164-numbering-teams-dr-plus-then-strip,
title = {E.164 numbering and dial string normalization: source note e164-numbering-teams-dr-plus-then-strip},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e164-numbering-teams-dr-plus-then-strip},
note = {Source note e164-numbering-teams-dr-plus-then-strip, checked 2026-09-23}
}