Source note · Unified CM to Webex Calling Dedicated Instance
Cisco recommends secure (TLS and SRTP) trunks from Dedicated Instance Unified CM to the PSTN gateway or CUBE for outbound PSTN calls.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Webex Calling Dedicated Instance
- Subsystem
- PSTN
- Deployment
- dedicated-instance
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Dedicated Instance network and security requirements — Cisco Webex · tier 2 current vendor documentation · Security requirements, PSTN gateway trunks
Cite this note
APA
WarmTransfer. (2026, October 1). Unified CM to Webex Calling Dedicated Instance: source note cucm-to-webex-calling-dedicated-instance-ns-secure-trunks. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-webex-calling-dedicated-instance-ns-secure-trunks
BibTeX
@misc{warmtransfer-claim-cucm-to-webex-calling-dedicated-instance-ns-secure-trunks,
title = {Unified CM to Webex Calling Dedicated Instance: source note cucm-to-webex-calling-dedicated-instance-ns-secure-trunks},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-webex-calling-dedicated-instance-ns-secure-trunks},
note = {Source note cucm-to-webex-calling-dedicated-instance-ns-secure-trunks, checked 2026-10-01}
}