Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager - Configure Fax Services

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cata/191/english/admin-guide/at91_b_ata191-admin-guide/at91_b_ata191-admin-guide_chapter_0100.html

Published

2025-08-15

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Cisco proprietary; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• On the Cisco ATA 191 with Unified CM, V.34 is not supported for T.38 relay fax. in context
• On Unified CM, the Cisco ATA 191 fax mode is chosen on the phone configuration page from Fax passthrough, T.38 fax relay, NSE Fax passthrough G711ulaw, or NSE Fax passthrough G711alaw. in context

Cite this source record

APA

WarmTransfer. (2025, August 15). Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager - Configure Fax Services. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-ata191-ucm-admin-fax-services

BibTeX

@misc{warmtransfer-cisco-ata191-ucm-admin-fax-services,
  title  = {Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager - Configure Fax Services},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-ata191-ucm-admin-fax-services},
  note   = {Cisco Systems, accessed 2026-10-02}
}