Fax Modem Standards; Fax Modem Speeds - Cisco ATA 191 Administration Manual

Fax Modem Standards

Fax Modem Standards
The ATA 191 supports the following fax modem standards:
• ITU-T V.34
• ITU-T V.34 Annex 12
• K56flex
• V.21
• V.22
• V.23
• V.32
• V.32bis
• V.44
• V.90
• V.92
V.34 is not supported for T.38 relay fax.
Note

Fax Modem Speeds

The ATA 191 supports the following fax modem speeds:
• 33.6 kb/s
• 31.2 kb/s
• 28.8 kb/s
• 26.4 kb/s
• 24 kb/s
• 21.6 kb/s
• 19.2 kb/s
• 16.8 kb/s
• 14.4 kb/s
• 12 kb/s
• 9.6 kb/s
• 7.2 kb/s
• 4.8 kb/s
Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager
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Configure Fax Services