User's Manual Part 2
Firmware Version 1.0.0.1 UCM6200 Series IP PBX User Manual Page 271 of 320
Support SIP Video Select to enable video support in SIP calls. The default setting is "Yes".
Reject Non-Matching INVITE
If enabled, when rejecting an incoming INVITE or REGISTER request, the
UCM6200 will always reject with "401 Unauthorized" instead of notifying
the requester whether there is a matching user or peer for the request.
This reduces the ability of an attacker to scan for valid SIP usernames.
The default setting is "No".
SIPSETTINGS/SESSIONTIMER
Table 85: SIP Settings/Session Timer
Session Timers
Select the session timer mode. The default setting is "Accept".
The options are:
Originate
Always request and run session timer.
Accept
Run session timer only when requested by other UA.
Refuse
Do not run session timer.
Session Expire
Configure the maximum session refresh interval (in seconds). The default
setting is 1800.
Min SE
Configure the minimum session refresh interval (in seconds). The default
setting is 90.
Session Refresher
Select the session refresher to be UAC or UAS. The default setting is
UAC.
SIPSETTINGS/TCPANDTLS
Table 86: SIP Settings/TCP and TLS
TCP Enable
Configure to allow incoming TCP connections with the UCM6200. The
default setting is "No".
TCP Bind Address
Configure the IP address for TCP server to bind to. 0.0.0.0 means binding
to all interfaces. The port number is optional. If not specified, 5060 will be
used.
TLS Enable
Configure to allow incoming TLS connections with the UCM6200. The
default setting is "No".
TLS Bind Address
Configure the IP address for TLS server to bind to. 0.0.0.0 means binding
to all interfaces. The port number is optional. If not specified, 5061 will be
used.