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ANO
Analog Gateway User Manual
2 &y
www.allo.com
Version 2.0
37
The Details to be filled are given as:
TOS
Generate In band Ringing
Configure whether the FXO/FXS VOIP Gateway should generate in band
ringing or not. The default setting is "Never".
• Yes: FXO/FXS VOIP Gateway will send 180 Ringing followed by 183 Session
Progress and in-band audio.
• No: The FXO/FXS VOIP Gateway will send 180 Ringing if 183 Session
Progress has not been sent yet. If audio path is established already with 183
then send in-band ringing.
• Never: Whenever ringing occurs, the FXO/FXS VOIP Gateway will send 180
Ringing as long as 200OK has not been set yet. In band ringing will not be
generated even the end point device is not working properly
Server User Agent
Allows you to configure the user agent string for the FXO/FXS VOIP Gateway
DTMF Mode
Select DTMF mode to send DTMF. The default setting is RFC2833. If "Info" is
selected, SIP INFO message will be used. If "In band" is selected, 64-kbit
codec PCMU and PCMA are required. When "Auto" is selected, "RFC2833"
will be used if offered, otherwise "In band" will be used. The default setting
is "RFC2833".
5.3.3 NAT
Navigation:
General Setting > SIP settings > NAT
: This is where you can configure the NAT SIP
settings.