Source note · Voice for remote and home workers
For MRA, the external firewall must allow inbound connections to the Expressway-E on TCP 5061 (SIP), TCP 8443 (HTTPS), TCP 5222 (XMPP) and UDP 36002-59999 (media).
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Expressway
- Subsystem
- mra
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Expressway X15.2 guide
- Checked
- 2026-09-25
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - MRA Requirements and Prerequisites — Cisco Systems · tier 2 current vendor documentation · MRA Requirements and Prerequisites > Firewall Configuration
Cite this note
APA
WarmTransfer. (2026, September 25). Voice for remote and home workers: source note remote-worker-voice-mra-external-fw-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/remote-worker-voice-mra-external-fw-ports
BibTeX
@misc{warmtransfer-claim-remote-worker-voice-mra-external-fw-ports,
title = {Voice for remote and home workers: source note remote-worker-voice-mra-external-fw-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/remote-worker-voice-mra-external-fw-ports},
note = {Source note remote-worker-voice-mra-external-fw-ports, checked 2026-09-25}
}