MG6000 Series Media Gateway User
’
s Manual
- 35 -
c)
T1 timer:
Value rage is 100ms to 65535ms. The default value is 500ms;
d)
T2 timer:
Value rage is 100ms to 65535ms. The default value is 4000ms;
e)
T4 timer:
Value rage is 100ms to 65535ms. The default value is 5000ms.
4.2.5.2 SIP Advance
Click
“
SIP Protocol
”
->
”
SIP Advance
”
to enter the page shown as figure 4-9.
Figure 4-9 the page of SIP Advance
All kinds of users could enter this page; All the users have the authorization to configure except common
users.
After modifying the parameter of
SIP Advance
，
current configuration must be saved, and then reboot the
IAD.
l
Common SIP operation
a)
Local-Chat over server:
If user starts this configuration, calls of the same equipment between the ports
are also required to pass the register server.
b)
Interval update automatically:
If user starts this configuration, IAD will adjust register cycle
automatically according the request of register server or proxy server.
c)
Support PRACK:
The method enables reliability to be offered to SIP provisional responses. If both
sides of a call start this configuration, they will have a PRACK before the call is set up to ensure
provisional responses can be transmit to the other side reliably.
d)
Support REJECTUN:
setting to reject the unsupported extension.
e)
Use customized parameter in SIP URI coding:
If user starts this configuration, the package of
“
invite
”
will carry the use customized parameter.
