Grandstream Networks GXP1105, GXP1100 user manual Backup IP

Name

DNS Mode

Tel URI

SIP Registration

Unregister On Reboot

Register Expiration

Reregister Before Expiration

Local SIP Port

SIP Registration Failure Retry Wait Time

SIP T1 Timeout

SIP T2 interval

SIP Transport

ITSP (SIP) server before the account can be registered. After it is saved, this will appear as hidden for security purpose.

The SIP server subscriber's name (optional) that will be used for Caller ID display.

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.

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".

Selects whether or not the phone will send SIP Register messages to the proxy/server. The default setting is "Yes".

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".

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).

Specifies the time frequency (in seconds) that the phone sendsre-registration request before the Register Expiration. The default value is 0.

Defines the local SIP port used to listen and transmit. The default value is 5060.

Specifies the interval to retry registration if the process is failed. The default value is 20 seconds.

SIP T1 Timeout. The default setting is 0.5 seconds.

SIP T2 Interval. The default setting is 4 seconds.

Determines the network protocol used for the SIP transport. Users can

FIRMWARE VERSION 1.0.4.23 GXP1100/GXP1105 USER MANUAL Page 26 of 46