Fax Modem Speeds - Cisco ATA 190 Administration Manual

Using Fax Mode
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V.34 is not supported for T.38 relay fax.
Note

Fax Modem Speeds

The ATA 190 supports the following fax modem speeds:
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The speeds that are only used in V.34 do not apply for fax using T.38 relay.
Note
Cisco ATA 190 Analog Telephone Adapter Administration Guide for SIP (Version 1.1)
5-2
V.23
V.32
V.32bis
V.44
V.90
V.92
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
2.4 kb/s
Chapter 5 Configuring Fax Services
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