The 2021 transition guide enumerates five PSTN options: Cisco provided bundled PSTN, service provider, bring your own PSTN, bring your own PSTN with Local Gateway, and cloud connected PSTN with Webex Calling.
Checked 2026-09-22 · superseded by uccx-to-webex-cc-telephony-coexistence-pstn-options-four
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- pstn-connectivity
- Deployment
- multi-tenant, hybrid
- Region
- not restricted
- 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 · pre-transition step 6, "Understand PSTN options", options 1 to 5
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-five-options-2021. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-five-options-2021
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-five-options-2021,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-five-options-2021},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-five-options-2021},
note = {Source note uccx-to-webex-cc-telephony-coexistence-five-options-2021, checked 2026-09-22}
}