Fax Transmission through a Firewall
11
Fax Transmission through a Firewall
Using T.38 with a Firewall
Requirements
•
The communication channel must remain open for a fax to go through a firewall i.e. the unit
sends "no signal" packets to fill the dead air intervals that could occur during a fax transmission
and cause the closure of the firewall.
Configuration
•
Configuring the T.38 No Signal
Configuring the T.38 No Signal
If you are not familiar with the meaning of the fields, click Show Help, located at the upper right
corner of the Web page, to display field description when mousing over the field name.
Steps
1. Go to Media > Codecs.
2. Click
located on the same row as
T.38
.
3. Set the No Signal selection list to Enable.
4. Set the No Signal Timeout selection list to Enable.
NOTE:
In order to keep RTP ports opened for T.38 packets, the unit will send 'no signal' packets to
fill the dead air intervals that could occur during a fax transmission and cause the closure of the
firewall.
5. Click Apply.
Result:
Summary of Contents for TA7100 Series
Page 1: ...Mitel TA7100 58014903 REV00 STANDARD FAX CONFIGURATION...
Page 17: ......
