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FIRMWARE VERSION 1.0.4.23 GXP1100/GXP1105 USER MANUAL Page 26 of 46
ITSP (SIP) server before the account can be registered. After it is saved,
this will appear as hidden for security purpose.
Name
The SIP server subscriber's name (optional) that will be used for Caller
ID display.
DNS Mode
This parameter controls how the Search Appliance looks up IP
addresses for hostnames. There are four
modes: A Record, SRV,
NATPTR/SRV, Use Configured IP. The default setting is "A Record". If
the user wishes to locate the server by DNS SRV, the user may select
"SRV" or "NATPTR/SRV". If "Use Configured IP" is selected, please fill
in the three fields below:
• Primary IP: The primary IP address where the phone sends DNS
query to;
• Backup IP 1;
• Backup IP 2.
Tel URI
If the phone has an assigned PSTN telephone number, this field should
be set to "User=Phone". Then a "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
If set to "Yes", 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. The default setting is "No".
Register Expiration
Specifies the frequency (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 frequency (in se
conds) that the phone sends
re-registration request before the Register Expiration. The default value
is 0.
Local SIP Port
Defines the local SIP port used to listen and transmit. The default value
is 5060.
SIP Registration Failure Retry
Wait Time
Specifies the interval to retry registration if the process is failed. The
default value is 20 seconds.
SIP T1 Timeout SIP T1 Timeout. The default setting is 0.5 seconds.
SIP T2 interval SIP T2 Interval. The default setting is 4 seconds.
SIP Transport Determines the network protocol used for the SIP transport. Users can