Source note · Webex Calling supported devices and MPP firmware

Cisco states that modems are not supported in Webex Calling, while analog telephone adapters are supported to connect analog phones fax machines and overhead paging systems.

Checked 2026-09-16

We do not support modems in Webex Calling.

Vendor: Cisco
Product: Webex Calling
Subsystem: Devices
Deployment: not restricted
Region: not restricted
Release range: not restricted
Checked: 2026-09-16

Sources

Supported devices for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · List of supported third-party devices, sentence following the AudioCodes and SNOM lists; and the ATA row of the Cisco device table

Cite this note

APA

WarmTransfer. (2026, September 16). Webex Calling supported devices and MPP firmware: source note wxdev-no-modem-support. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxdev-no-modem-support

BibTeX

@misc{warmtransfer-claim-wxdev-no-modem-support,
  title  = {Webex Calling supported devices and MPP firmware: source note wxdev-no-modem-support},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxdev-no-modem-support},
  note   = {Source note wxdev-no-modem-support, checked 2026-09-16}
}

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