![background image](http://html.mh-extra.com/html/welltech/3701a/3701a_manual_955898039.webp)
FXSO H.323 Gateway User Manual
Document Ver.: 2.1a
Release Sep., 2003
Copyright (c) 2002 Welltech Computer Co. Ltd.
37
3.4 T.38
The T.38 is a “Real Time Group 3 Fax Communication over IP network” format.
That’s meaning it’s a protocol for Fax over IP. You have to enable this function
if you need the Fax issue. Press the Support button to enter the configuration
table (see figure 3.7)
Figure 3.7: T.38 configuration
T.38 – Enable will Support Fax function, disable won’t.
T.38 Fax ECM – Error Correction during fax high speed Mode support.
T.38 Fax ASN.1 Support – The transmission of voice data over packet
switch networks support. Abstract Syntax Notation 1.