S-Series IP PBX Administrator Guide
89
Advanced
Table 9-10 SIP Advanced Settings
Option
Description
Allow RTP Re-invite
By default, the system will route media steams from SIP endpoints
through itself. Enabling this option causes the system to attempt to
negotiate the endpoints to route packets to each other directly,
bypassing the system. It is not always possible for the system to
negotiate endpoint-to-endpoint media routing.
Get Caller ID From
This decides the system will pull Caller ID header from which header
field.
User Agent
This allows you to change the User-Agent field.
Get DID From
This decides the system will pull DID from which header field. If
Remote-Party-ID is selected but the line does not support this, DID will
be pulled from Invite header.
Send Remote Party ID
Whether to send the Remote-Party-ID in SIP header or not. The
Default is no.
DNS SRV Look Up
Enable DNS SRV lookups on inbound and outbound calls.
Send P Asserted Identify
Whether to send the P-Asserted-Identify in SIP header or not.
The Default is no.
100rel
Check the option to enable 100rel.
Send Diversion ID
Whether to send the Diversion ID in SIP header or not. The Default is
no.
Allow Guest
If enabled, it will allow the unauthorized INVITE coming into the PBX
and the calls can be made. The default is no.
IAX
Table 9-11 IAX Configuration Parameters
Option
Description
UDP Port
UDP port used for IAX2 registrations. The default is 4569.
Bandwidth
Control which codecs to be used based on bandwidth consumption.
Maximum Registration/
Subscription Time
Maximum duration (in seconds) of an IAX registration. The default is
1200 seconds.
Minimum Registration/
Subscription Time
Minimum duration (in seconds) of an IAX registration. The default is 60
seconds.
Codec
Choose the codec.
