Source note · Setting up analog devices and ATAs on Webex Calling
In Webex Calling survivability mode, E911 calling requires a PSTN circuit or SIP trunk at the site.
Checked 2026-09-30
E911 Calling requires a PSTN circuit or SIP trunk
- Vendor
- Cisco
- Product
- Webex Calling Site Survivability
- Subsystem
- survivability
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Site survivability for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · emergency calling passage
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up analog devices and ATAs on Webex Calling: source note webex-calling-analog-ata-setup-surv-e911-needs-pstn. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-analog-ata-setup-surv-e911-needs-pstn
BibTeX
@misc{warmtransfer-claim-webex-calling-analog-ata-setup-surv-e911-needs-pstn,
title = {Setting up analog devices and ATAs on Webex Calling: source note webex-calling-analog-ata-setup-surv-e911-needs-pstn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-analog-ata-setup-surv-e911-needs-pstn},
note = {Source note webex-calling-analog-ata-setup-surv-e911-needs-pstn, checked 2026-09-30}
}