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

Enable RTCP  

Allows users to enable RTCP. The default setting is “Yes”.  

Allows user to hold or not hold the phone call before referring.  

The default setting is Yes.  

Hold Target  

Before Refer  

Refer-To Use  

Includes target’s “Contact” header information in “Refer-To” header when using attended transfer. Default is No.  

Target Contact  

If set to “Yes”, when the phone hangs up as the conference initiator, the conference call will be transferred to the other  

parties so that other parties will remain in the conference call.  

Default setting is No.  

Transfer on  

Conference  

Hang-up  

Disable Bellcore  

Style 3-Way  

Conference  

Gives the users the possibility of making conference calls by pressing “Flash” key, when it’s enabled by dialing *23  

+second callee number. Default is No  

Remove OBP  

from Route  

Header  

Removes outbound proxy info in “Route” header when sending SIP packets.  

Default is No.  

Includes “SIP Instance ID” attribute to “Contact” header in REGISTER request as defined in IETF SIP outbound  

draft.  

Support SIP  

Instance ID  

Default is No.  

Validate  

Incoming SIP  

Messages  

Validates incoming SIP messages. Default is No.  

Check SIP User  

ID for Incoming  

INVITE  

Checks SIP User ID in the Request URI of incoming INVITE; if it doesn’t match the HT81x SIP User ID, the call will  

be rejected. Direct IP calling will also be disabled. Default is No.  

Authenticate  

Incoming  

INVITE  

Challenges the incoming INVITE for authentication with SIP 401 Unauthorized message.  

Default is No.  

Authenticate  

Server  

Configures whether to validate the domain certificate when download the firmware/config file. If it is set to “Yes”, the  

phone will download the firmware/config file only from the legitimate server. The default setting is “No”.  

Certificate  

Domain  

Authenticate  

server certificate  

chain  

Configures whether to validate the server certificate when download the firmware/config file. If it is set to “Yes”, the  

phone will download the firmware/config file only from the legitimate server. The default setting is “No”.  

Allow Incoming  

SIP Messages  

from SIP Proxy  

Only  

Checks SIP address of the Request URI in the incoming SIP message; if it doesn’t match the SIP server address of the  

account, the call will be rejected.  

Default is No.  

Determines if the “Privacy header” will be presented in the SIP INVITE message and if it includes the caller info in  

this header. If set to Default, it will add Privacy header unless special feature is Telkom SA or CBCOM. Default  

is Default.  

Use Privacy  

Header  

Specifies if the P-Preferred-Identity Header will be presented in the SIP INVITE message. If set to “default”, the P-  

Preferred-Identity Header will be omitted in SIP INVITE message when Telkom SA or CBCOM is active. If set to  

“Yes”, the P-Preferred- Identity Header will always be presented. If set to “No”, it will be omitted. Default setting  

is: Default.  

Use P-Preferred-  

Identity Header  

Use P-Access-  

Network-Info  

Header  

With this feature enabled, device will populate the WAN access node with IEE-802.11a, IEE-802.11b in P-Access-  

Network-Info SIP header.  

Use P-  

Emergency-Info  

Header  

This feature support of IEEE-48-addr and IEEE-EUI-64 in SIP header for emergency calls.  

When this feature is set to Yes, device will send P-Asserted-Identity Header on the SIP Invite.  

Default setting is No.  

Use P-Asserted-  

Identity Header  

SIP REGISTER  

Contact Header  

Uses  

Specifies which address (LAN or WAN address) the device will detect to use it in SIP Register Contact Header.  

Default is LAN Address.  

Selects the Caller ID display order which need to be respected by the ATA.  

The available options are:  

Caller ID Fetch  

Order  

Auto: When set to “Auto”, the ATA will look for the caller ID in the order of P-Asserted Identity Header, Remote-  

Party-ID Header and From Header in the incoming SIP INVITE.  

Disabled: When set to “Disabled”, all incoming calls are displayed with “Unavailable”.  

From Header: When set to “From Header”, the ATA will use the FROM header to display the caller ID.  

Allows to reset the devices directly through SIP Notify. If “Allow SIP Factory Reset” is set to “YES” under FXS  

PORT, then the ATA receives the NOTIFY from the SIP server with Event: reset, the HT should perform a factory  

reset after the authentication.  

Allow SIP  

The authentication in this case can be either with:  

Factory Reset  

The admin password if no SIP account is configured on the HT.  

With the credentials of the SIP account if configured on the ATA.  

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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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