FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 39 of 69
SIP Server The URL or IP address, and port of the SIP server. This is provided by
your VoIP service provider (ITSP).
Secondary SIP Server The URL or IP address, and port of the SIP s erver. This will be used
when the primary SIP server fails.
Outbound Proxy
IP address or Domain name of the Primary Outbound Proxy, Media
Gateway, or Session Border Controller. It's used by t
he phone for
Firewall or NAT penetration in different network environments. If a
symmetric NAT is detected, STUN will not work and ONLY an O utbound
Proxy can provide a solution.
SIP User ID
User account information, provided by your VoIP service pr ovider
(ITSP). It's usually in the form of digits similar to phone number or
actually a phone number.
Authenticate ID SIP service subscriber's Authenticate ID used for authentication. It can
be identical to or different from the SIP User ID.
Authenticate Password
The account password required for the phone to authenticate w ith the
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 R ecord". If
the user wishes to locate the server by DNS SRV, the user m ay 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 D NS
query to;
• Backup IP 1;
• Backup IP 2.
TEL URI
If the phone has an assigned PSTN telephone number, this field s hould
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 ins tead
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 c leared
when the phone reboots. The SIP Contact header will contain "*" to