Grandstream Networks GRP261 Series Administration Manual page 27

UNREGISTER on Reboot
REGISTER Expiration
SUBSCRIBE Expiration
Re-Register before Expiration
Registration Retry Wait Time
SIP SUBSCRIBE Failure Retry Wait
Time
Add Auth Header on Initial REGISTER
Enable OPTIONS Keep-Alive
OPTIONS Keep-Alive Interval
OPTIONS Keep Alive Max Tries
Enable TCP Keep-Alive
Subscribe for MWI
Subscribe for Registration
Use Privacy Header
Allows the SIP user's registration information to be cleared when the phone
reboots. The SIP REGISTER message will contain "Expires: 0" to unbind the
connection. Three options are available: The default setting is "No".
● If set to "No", the phone will not unregister the SIP user's registration
information before new registration.
● If set to "All", the SIP user's registration information will be cleared when
the phone reboots. The SIP Contact header will contain "*" to notify the
server to unbind the connection.
● If set to "Instance", the SIP user will be unregistered on current phone only.
Specifies the frequency (in minutes) in which the phone refreshes its
registration with the specified registrar.
The maximum value is 64800 minutes (about 45 days). The default value is 60
minutes.
Specifies the frequency (in minutes) in which the phone refreshes its
subscription with the specified registrar.
The maximum value is 64800 minutes (about 45 days). The default value is 60
minutes.
Specifies the time frequency (in seconds) that the phone sends re-registration
request before the Register Expiration. The default value is 0.
Specifies the interval to retry registration if the process failed. Valid range is 1
to 3600. Default is 20.
Configures the time interval to retry sending SIP SUBSCRIBE request if receive
error response. Valid range is 1 to 3600. Default is 1.
If enabled, the phone will add Authorization header in initial REGISTER
request.
Enable OPTIONS Keep Alive to check SIP Server.
Default is "Yes".
Time interval for OPTIONS Keep Alive feature in seconds.
Default is "30" seconds.
Configures the maximum number of times the phone will try to send OPTIONS
message consistently to server without receiving a response. If set to "3", the
phone will send OPTIONS message 3 times. If no response from the server,
the phone will re-register.
Configures whether to enable Keep-Alive for TCP connection. Default is Yes.
When set to "Yes", a SUBSCRIBE for Message Waiting Indication will be sent
periodically. The phone supports synchronized and non-synchronized MWI.
The default setting is "No".
When set to "Yes", a SUBSCRIBE for Registration will be sent out periodically.
The default setting is "No".
Controls whether the Privacy header will present in the SIP INVITE message or
not, whether the header contains the caller info.
● Default: The Privacy Header will show in INVITE only when "Huawei IMS"
special feature is on.
● Yes: The Privacy Header will always show in INVITE.
● No: The Privacy Header will not show in INVITE.