The transition guide lists replacing bring-your-own PSTN with the Cisco bundled PSTN service as a post-transition step, not a prerequisite of the migration.
Checked 2026-09-22
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- pstn-connectivity
- Deployment
- multi-tenant
- Region
- us-canada
- Release range
- guide dated 2021-09
- Checked
- 2026-09-22
Sources
- Contact Center: Transitioning from Unified Contact Center Express to Webex Contact Center Deployment Guide — Cisco Systems, Inc. · tier 2 current vendor documentation · post-transition steps, item "Replace BYO PSTN with Cisco Bundled PSTN service"
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-post-replace-pstn. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-post-replace-pstn
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-post-replace-pstn,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-post-replace-pstn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-post-replace-pstn},
note = {Source note uccx-to-webex-cc-telephony-coexistence-post-replace-pstn, checked 2026-09-22}
}