Grandstream Networks HT801 Administration Manual page 29


TEL URI Indicates E.164 number in "From" header by adding "User=Phone" parameter or using
"Tel:" in SIP packets, if the HT801 has an assigned PSTN Number.
Please consult your carrier before changing this parameter. Default is Disabled.
SIP Registration
Controls whether the HT802 needs to send REGISTER messages to the proxy server.
Default setting is Yes.
Unregister on Controls whether to clear SIP user's information by sending un-register request to the
Reboot
proxy server. The un-registration is performed by sending a REGISTER message with
Contact set to * and Expires=0 parameters to the SIP server. This will unregister the SIP
account under the concerned FXS page. Default is No.
Outgoing Call
Enables the ability to place outgoing calls even if the account is not registered (if allowed
Without
by ITSP); device will not be able to receive incoming calls. Default is No.
Registration
Register Expiration Refreshes registration periodically with specified SIP proxy (in minutes). Maximum
interval is 65535 minutes (about 45 days). Default is 60 minutes (or 1 hour).
Reregister Before Sends re-register request after specific time (in seconds) to renew registration before
Expiration the previous registration expires.
SIP Registration Sends re-register request after specific time (in seconds) when registration process
Failure Retry Wait fails. Maximum interval is 3600 seconds (1 hour).
Time Default is 20 seconds.
SIP Registration Sends re-register request after specific time (in seconds) when registration process fails
Failure Retry Wait with error 403 Forbidden. Maximum interval is 3600 seconds (1 hour).
Time upon 403 Default is 1220 seconds.
Forbidden
Use Configured IP: If selected, please fill in Primary IP, Backup IP 1 and Backup
IP 2 to be used for server look up. Default is A Record.

Disabled: Use "SIP User ID" information in the Request-Line and "From"
header.

User=Phone: "User=Phone" parameter will be attached to the Request-Line
and "From" header in the SIP request to indicate the E.164 number. If set to
"Enable".

Enabled: "Tel:" will be used instead of "sip:" in the SIP request.
HT801 Administration Guide
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