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Figure 3-10 SIP Settings Interface
See Figure 3-10 for the SIP settings interface where you can configure the general SIP
parameters. After configuration, click
Save
to save your settings into the gateway or click
Reset
to
restore the configurations. If a dialog box pops up after you save your settings asking you to
restart the service, do it immediately to apply the changes. Refer to
3.7.17 Restart
for detailed
instructions. The table below explains the items shown in Figure 3-10.
Item
Description
SIP Address of WAN
IP address of SIP signaling for WAN, using NET 1 by default.
Auto Change
Default Gateway
The SIP address of WAN will automatically shift to another LAN if the default one is
unavailable. By default, the feature is disabled.
SIP Signaling Port
Monitoring port of SIP signaling. Range of value: 5001~65535, with the default
value of 5060.
Send 100rel
Sets whether to send the 100rel field, with the default value of disabled.
Connection
Soft-switch
Sets the soft telephony device which will be connected to the gateway, including
Others and VOS two options, with the default value of
Others
.
Hide CallerID
Sets whether to hide the CallerID, with the default value of
Not Hidden
.
Obtain CallerID from
There are two optional ways to obtain the calling party number: from
Username of
“
From” Field
or from
Displayname of
“
From” Field
. The default value is from
Username of
“
From” Field
.
Obtain CalleeID
from
There are two optional ways to obtain the called party number: from “
To” Field
or
from “
Request” Field
. The default value is from “
Request” Field
.
NAT Traversal,
Traversal Type
Sets whether to enable the NAT traversal. By default this feature is disabled. There
is only one traversal type:
Port Mapping
.
LAN1 Mapping
Address, LAN2
Mapping Address
The mapping addresses of LAN1 and LAN2 in case the NAT traversal is enabled. If
the port mapping is selected as the traversal type, you are required to set the
mapping address and port on the router and fill in the corresponding information
here as well.
SIP Transport
Protocol
There are two modes
UDP
and
TCP
available for running the SIP protocol. The
default value is
UDP
.
SIP Encryption
Once this feature is enabled, you can encrypt the SIP signal following selecting an
encryption criterion and setting a key. By default it is
disabled
.
Encryption Criterion
The criterion used to encrypt the SIP signal. At present only VOS1.1 is supported.
Key
The key to encrypt the SIP signal.
RTP Encryption
Once this feature is enabled, you can encrypt the RTP package. By default it is
disabled
.
RTP Self-adaption
When this feature is enabled, the RTP reception address or port carried by the
signaling message from the remote end, if not consistent with the actual state, will
be updated to the actual RTP reception address or port. By default, this feature is
disabled
.
UDP Header
Checksum
When this feature is enabled, the gateway will automatically calculate the check
sum of the UDP header during RTP transmission.
Rport
When this feature is enabled, a corresponding Rport field will be added to the Via
message of SIP. By default, it is
disabled
.
SMG SBO Series Gateway User Manual (Version 1.6.3)
Page 17