Webex Calling PSTN trunking for hybrid calling scenarios lets an organisation connect an on-premises PBX to Cloud Connected Partner PSTN or Local Gateway PSTN, and Cisco presents phased cloud migration ahead of moving all users as one of its purposes.
Checked 2026-09-22
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- pstn-connectivity
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-22
- Checked
- 2026-09-22
Sources
- PSTN trunking for hybrid Webex Calling deployments — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · sections "How PSTN trunking works" and "PSTN on-premises migration scenario"
Cite this note
APA
WarmTransfer. (2026, September 22). Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk},
note = {Source note uccx-to-webex-cc-telephony-coexistence-hybrid-pstn-trunk, checked 2026-09-22}
}