Can AS5200 with Cisco IOS 11.3(7)T use 56K Microcom Modems?

[admin_2]

sh ver

IOS (tm) 5200 Software (C5200-DS-L), Version 11.3(7)T, RELEASE SOFTWARE (fc1)

sh modem ver

Modem module Firmware Boot DSP

Mdm Number Rev Rev Rev

1/0 0 3.3(20) 3.0(4) 42.0/42.0

1/1 0 3.3(20) 3.0(4) 42.0/42.0

[#2]

3.3.20 is the initial release with support

for 56k; however, support for V.90 came

with 5.0.20; the latest release is 5.3.30.

11.3(7)T should be fine, although you may

want to upgrade to the most recent 12.1 code just

to be safe.

This might help, too:

http://www/univercd/cc/td/doc/product/access/acs_serv/5300/sw_conf/sw_ports/4928faq.htm