GRANDSTREAM HT812 Analog FXS IP Gateway 2 Port + NAT Router User Guide

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.  

Please consult your carrier before changing this parameter. Default is Disabled.  

Use Request  

Routing ID in  

SIP INVITE  

Header  

If set to Yes, device will use the configured [Request URI Routing ID] in the SIP INVITE. This option is usually used  

under a SIP trunk account’s configuration. Default is No.  

SIP Registration  

Controls whether the HT81x needs to send REGISTER messages to the proxy server. Default setting is Yes.  

Controls whether to clear SIP user’s information by sending un-register request to the proxy server. The un-  

registration is performed by sending a REGISTER message with “Expires=0” parameter to the SIP server. This will  

unregister the SIP account under the concerned FXS page.Unregister on reboot option can be set to "No", "All" or  

"Instance".  

1. Set to "No": If the "Unregister on reboot" option is set to "No", it means that the SIP user's information will not  

be cleared when the device reboots. In other words, the SIP account will remain registered with the server even  

after the device is rebooted.  

Unregister on  

Reboot  

2. Set to "All": If the "Unregister on reboot" option is set to "All", it means that all SIP accounts associated with the  

device will be unregistered when the device reboots. This option clears the SIP user's information for all the FXS  

ports on the device.  

3. Set to "Instance": If the "Unregister on reboot" option is set to "Instance", it means that only the SIP account  

associated with the concerned FXS port will be unregistered when the device reboots. This option clears the SIP  

user's information for only the specific FXS port that is affected by the reboot.  

Default value is set to "No"  

Outgoing Call  

Without  

Enables the ability to place outgoing calls even if the account is not registered (if allowed by ITSP); device will not be  

able to receive incoming calls. Default is No.  

Registration  

Refreshes registration periodically with specified SIP proxy (in minutes). Maximum interval is 65535 minutes (about  

Register  

45 days).  

Expiration  

Default is 60 minutes (or 1 hour).  

Reregister  

Before  

Sends re-register request after specific time (in seconds) to renew registration before the previous registration expires.  

Expiration  

Sends re-register request after specific time (in seconds) when registration process fails. Maximum interval is 3600  

SIP Registration  

Failure Retry  

Wait Time  

seconds (1 hour).  

Default is 20 seconds.  

SIP Registration  

Failure Retry  

Sends re-register request after specific time (in seconds) when registration process fails with error 403 Forbidden.  

Maximum interval is 3600 seconds (1 hour). Default is 1200 seconds.  

Wait Time upon  

403 Forbidden  

Port Voltage Off  

upon no SIP  

Registration or  

SIP Registration  

Failure  

Allows users to configure the timer of Port Voltage Off.  

For Port Voltage Off upon no SIP, the Valid Range is 0 to 60 with the Default value being 0 ( 0 means the port voltage  

is never turned off )  

Delay Time of  

Port Voltage Off  

Timer Since  

Boot  

Enables SIP OPTIONS or SIP NOTIFY to track account registration status so the ATA will send periodic  

OPTIONS/NOTIFY message to server to track the connection status with the server.  

Default setting is No.  

Enable SIP  

OPTIONS/NOTI  

FY Keep Alive  

SIP  

Configures the time interval when the ATA send OPTIONS or NOTIFY message to SIP server. The default setting is  

30 seconds, which means the ATA will send an OPTIONS/NOTIFY message to the server every 30 seconds. The  

default range is 1-64800.  

OPTIONS/NOTI  

FY Keep Alive  

Interval  

SIP OPTIONS  

Keep Alive Max  

Lost  

Defines the Number of max lost packets for SIP OPTIONS Keep Alive before re-registration. Between 3-10, default  

is 3.  

Defines Diff-Serv values for SIP and RTP.  

Layer 3 QoS  

SIP DSCP (Diff-Serv value in decimal, 0-63, default 26)  

RTP DSCP (Diff-Serv value in decimal, 0-63, default 46)  

Defines local port to use by the HT81x for listening and transmitting SIP packets. Default value for FXS 1 is 5060 and  

5062 for FXS 2.  

Local SIP Port  

Local RTP Port  

Defines the local RTP-RTCP port pair the HT81x will listen and transmit. It is the HT81x RTP port for channel 0.  

The default value for FXS port is 5004  

Controls whether to use configured or random SIP ports. This is usually necessary when multiple HT81x are behind  

the same NAT.  

Use Random SIP  

Port  

Default is No.  

Controls whether to use configured or random RTP ports. This is usually necessary when multiple HT81x are behind  

Use Random  

RTP Port  

the same NAT.  

Default is No.  

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General	Details
Name	GRANDSTREAM HT812 Analog FXS IP Gateway 2 Port + NAT Router User Guide
Make	GRANDSTREAM
Language	English
Filetype	PDF (Download)
File size	MB

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