Grandstream Networks HT814 Administration Guide

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HT812/HT814 Administration Guide
NAT Traversal
Indicates type of NAT for each account. This parameter configures whether the NAT
traversal mechanism is activated. Users could select the mechanism from No, Keep-alive,
STUN, UPnP. Default setting is No.
DNS Mode
Selects DNS mode to use for the client to look up server. One mode can be chosen.
 A Record: resolves IP Address of target according to domain name.
 SRV: DNS SRV resource records indicate how to find services for various protocols.
 NAPTR/SRV: Naming Authority Pointer according to RFC 2915.
 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.
DNS SRV use
Registered IP
When the HT is registered using the second SRV record, making an outbound call, it will
try the second SRV (registered IP) first. By default, this option is disabled and the DNS
SRV will use first SRV instead of the registered IP.
TEL URI
Indicates E.164 number in “From” header by adding “User=Phone” parameter or using
“Tel:” in SIP packets, if the HT812/HT814 has an assigned PSTN Number.
 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.
Please consult your carrier before changing this parameter. Default is Disabled.
SIP Registration
Controls whether the HT812/HT814 needs to send REGISTER messages to the proxy
server. Default setting is Yes.
Unregister on
Reboot
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
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
Without
Registration
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.
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
Expiration
Sends re-register request after specific time (in seconds) to renew registration before the
previous registration expires.

Grandstream Networks HT814 Specifications

General

Brand	Grandstream Networks
Model	HT814
Category	Telephone Accessories
Language	English