Fax And Modem Settings - AudioCodes MP-11x Configuration Manual

Audiocodes T.38 FAX Configuration Guide
Figure 6 – EMS View SIP General Settings (T.38 Relay Selected)
For T.38 signaling in the EMS, navigate to your MP-11x ("Lab 112" shown) and under
Configuration, at the bottom, choose SIP Protocol Definition. In the General Info
frame, make sure that Fax Used is set to "T.38".
2.2

FAX and Modem Settings

There are several other inter-related parameters involved in changing the T.38 behavior
from the most common settings. In most situations, these are best left at the default
values also. With the default settings, as shown in the examples below (and described
previously), the terminating endpoint detects the FAX tone and is responsible for sending
the notifications which contain a modified SDP with a T.38 codec.
Verizon T.38 FAX Configuration Guide for AudioCodes MP-11x
Version 1.0
Page 12
30-APR- 2011
Page 12 of 42