Source note · Expressway business-to-business calling
The B2B technote uses a transform on Expressway-C to remove the port from the URI in INVITEs received from Unified CM.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway with Unified CM
- Subsystem
- transforms
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X8.1.1+
- Checked
- 2026-09-25
Sources
- Configure Business to Business Audio/Video Calls through Expressway — Cisco Systems · tier 2 current vendor documentation · Configure: Dialplan with transforms and search rules
Cite this note
APA
WarmTransfer. (2026, September 25). Expressway business-to-business calling: source note expressway-b2b-calling-transform-strip-port. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-calling-transform-strip-port
BibTeX
@misc{warmtransfer-claim-expressway-b2b-calling-transform-strip-port,
title = {Expressway business-to-business calling: source note expressway-b2b-calling-transform-strip-port},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-calling-transform-strip-port},
note = {Source note expressway-b2b-calling-transform-strip-port, checked 2026-09-25}
}