MG6000 Series Media Gateway User
’
s Manual
- 36 -
f)
Enable global number support:
When select this, device will add
“
+
”
in front of the called number.
g)
NO audio when faxing:
This configuration only has meaning when user selects the T.38 fax mode. If
be selected, the session invite will not carry the AUDIO item before starting the T.38 fax.
h)
Use c=0.0.0.0(RFC 2543) in SDP when call hold:
When selected, during the call holding, the connect
information of call hold invite will be instead by
“
0.0.0.0
”
.
i)
Pack SIP message into HTTP body:
when selected, all the SIP information that the device sent will be
packed into HTTP body.
j)
Register with full information:
when selected, every time the IAD register to the register server or
proxy server, it will be required to authenticate again. Otherwise, every time except the first time, the
register information will carry the authentication information, the device will be not required to
authenticate again. Default is selected.
k)
Support TIMER
：
When selected, as a caller, the package of
“
invite
”
will carry the TIMER information
in its header. As a callee, the package of
“
180 ring
”
will carry the TIMER information in its header. The
value range of session expires is 90s to 65535s, default is 1800s.
l)
Keep alive NAT:
Sometimes SIP register interval is so long that the NAT proxy cut the connection with
IAD by mistake while the IAD is placed behind NAT or firewall (NAT/FW for short).
“
Keep alive NAT
”
is used to indicate the NAT proxy that IAD is still in the network with the same IP. When IAD is under
NAT, it will send packets periodically to keep the mapping relation of NAT between private and public
network. The value range of Keep alive Interval is 30s to 65535s, default is 60s.
m)
Original Register with authorization info:
when selected, the authorization information will be carried
in the first registration.
l
IMS
(IP Multimedia Subsystem) Service
The following functions need the register server or proxy server that supports IMS.
a)
Support NextNonce:
When selected, After IAD received the information which have NextNonce
header sent by the register server or proxy server, IAD will add NextNonce header to the follow up
information that it send.
b)
Support Service Route:
When selected, After IAD received the information which have Service Route
header sent by the register server or proxy server, IAD will add Service Route header to the follow-up
information that it send.
c)
Support 3GPP Header:
When selected, the SIP information sent by the device will carry the
P-Preferred-Identity header.
d)
Support Subscribing Reg:
If selected, the SUBSCRIBE information will be carried when the device
start to register, and the device will send SUBSCRIBE package after registered successfully. The value
range of subscribe expires is 10s to 65535s, and default is 3761s.
e)
Support Privacy:
When selected, the SIP information sent by IAD will carry Privacy header. The value
of the header must be the same as the type of Privacy that is selected. There are 7 types of Privacy can
be chose: disabled, header, session, user, none, critical, id.
f)
Support Precondition:
When selected, the SIP information sent by IAD will carry the information of
supporting Precondition. There are 7 types of Precondition can be chose: disabled, segment and e2e.
g)
Forking Preference:
There are 5 Forking Preference: disabled, no-fork, fork, parallel and sequential.
h)
Support Forking Invite:
If selected, after IAD sent the request of to set up a call, and received several
temporary responds, IAD only answer the first temporary responds. The value range of
“
1XX timeout
”
and
“
ACK timeout
”
is 100ms to 3600000ms and 100ms to 65535ms respectively. Defaults are
180000ms and 32000ms respectively.
