Grandstream GVC3200 Administration Guide - Manual (Page 33)

Firmware Version 1.0.1.5 GVC3200 Administration Guide Page 32 of 61
SETTINGS/SIP/SIP
Parameters Descriptions
SIP Registration
It is used to set if allowing the GVC3200 system to send SIP Register messages to
the proxy/server. The default setting is "Yes".
Unregister Before
New Registration
If it is set to "All", the SIP user's registration information will be cleaned when the
phone start pre-registration after rebooting. The SIP Contact header will contain "*"
to notify the server to unbind the connection. If set to "Instance", the phone only
cleans the current SIP user's info. The default is "Instance".
Register Expiration
(m)
It is used to configure the time period (in minutes) in which the phone refreshes its
registration with the specified registrar. The default setting is 60. The maximum
value is 64800 (about 45 days). The minimum value is 1 minute.
Wait Time Retry
Registration (s)
It is used to configure the time period (in seconds) in which the phone will retry the
registration process in the event that is failed. The default setting is 20. The
maximum value is 3600 (1 hour).
Local SIP Port
It is used to configure the local SIP port used to listen and transmit. The default
setting is 5060.
The valid range is from 5 to 65535.
SUBSCRIBE for
MWI
It is used to set if the GVC3200 system will subscribe voice message service. If it is
set to "Yes", the GVC3200 system will periodically send SIP SUBSCRIBE message
for Message Waiting Indication service. GVC3200 system supports both
synchronized and non-synchronized MWI. The default setting is "No".
Enable Session
Timer It is to set if the GVC3200 system will use the session timer. If it is set to “Yes”, it will
be added in the SIP INVITE message to notify the server. The default setting is Yes.
Session Expiration
(s)
It is used to configure the GVC3200 system’s SIP session timer. It enables SIP
sessions to be periodically "refreshed" via a SIP request (UPDATE, or re-INVITE). If
there is no refresh via an UPDATE or re-INVITE message, the session will be
terminated once the session interval expires. Session Expiration is the time (in
seconds) where the session is considered timed out, provided no successful session
refresh transaction occurs beforehand. The default setting is 180. The valid range is
from 90 to 64800.
Min-SE (s)
It is used to configure the minimum session expiration timer (in seconds) if the
phone is act as a timer refresher. The default setting is 90. The valid range is from
90 to 64800.
UAC Specify
Refresher
It is use to set which party will refresh the active session if the phone makes
outbound calls. If it is set to “UAC” and the remote party does not support Refresher
feature, the GVC3200 system will refresh the active session. If it is set to “UAS”, the
remote party will refresh it. If it is set to “Omit”, the header will be omitted so that it
can be selected by the negotiation mechanism. The default setting is "Omit".
UAS Specify
Refresher
It is use to set which party will refresh the active session if the phone receives
inbound calls. If it is set to “UAC”, the remote party will refresh the active session. If
it is set to “UAS” and the remote party does not support refresh feature, the
GVC3200 system will refresh it. The default setting is "UAC".