SIP to H.323 interworking uses an RMS license on the node where interworking takes place if any of the endpoints are not registered to Cisco infrastructure.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- licensing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.4; current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Cisco Expressway Administrator Guide (X15.4) - Call Types and Licensing — Cisco Systems · tier 2 current vendor documentation · Call Types and Licensing > interworked calls
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-rms-interworking. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-rms-interworking
BibTeX
@misc{warmtransfer-claim-expressway-b2b-setup-rms-interworking,
title = {Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-rms-interworking},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-rms-interworking},
note = {Source note expressway-b2b-setup-rms-interworking, checked 2026-09-25}
}