User's Manual

GXP1760W Administration Guide
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Proxy-Require
Determines a SIP Extension to notify the SIP server that the phone is behind a
NAT/Firewall. Do not configure this parameter unless this feature is supported
on the SIP server.
Account x  SIP Settings  Basic Settings
TEL URI
Determines if the phone has an assigned PSTN telephone number. This field
should be set to "User=Phone", so that "User=Phone" parameter will be
attached to the Request-Line and "TO" header in the SIP request to indicate the
E.164 number. If set to "Enable", "Tel:" will be used instead of "SIP:" in the SIP
request. The default setting is "Disable".
SIP Registration
Selects whether or not the phone will send SIP Register messages to the
proxy/server. The default setting is "Yes".
Unregister On
Reboot
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:
• 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.
• If set to “No”, the phone will not unregister the SIP account when rebooting.
The default setting is "No".
Register Expiration
Specifies the time interval (in minutes) in which the phone refreshes its
registration with the specified registrar. The default value is 60 minutes. The
maximum value is 64800 minutes (about 45 days).
Reregister Before
Expiration
Specifies the time interval (in seconds) that the phone sends re-registration
request before the Register Expiration.
The default value is 0.
Enable OPTIONS
Keep Alive
Select whether or not the phone will keep sending a message to check the
connection with the server.
OPTIONS Keep
Alive Interval
Specifies the time interval (in second) in which the phone will send the Keep
Alive message to the server.
OPTIONS Keep
Alive Max Lost
Specifies the maximum number of allowed lost packet before the phone will
refresh its registration.
Local SIP Port
Defines the local SIP port used to listen and transmit. The default value is 5060
for Account 1, 5062 for Account 2, 5064 for Account 3, 5066 for Account 4. The
valid range is from 1 to 65535.
SIP Registration
Failure Retry Wait
Time
Specifies the time interval to retry registration if the process is failed. The valid
range is 1 to 3600. The default value is 20 seconds.