GRANDSTREAM HT812 Powerful 2 Port ATA with Gigabit NAT Router User Guide

2. Dial the number directly and wait for 4 seconds (Default “No Key Entry Timeout”); or  

3. Dial the number directly and press # (Use # as dial key” must be configured in web configuration).  

Examples:  

1. Dial an extension directly on the same proxy, (e.g. 1008), and then press the # or wait for 4 seconds.  

2. Dial an outside number (e.g. (626) 666-7890), first enter the prefix number (usually 1+ or international code) followed by  

the phone number. Press # or wait for 4 seconds. Check with your VoIP service provider for further details on prefix  

numbers.  

Note:  

When placing the analog phone that is connected to the FXS port off hook, the dial tone will be played even if the sip account  

is not registered. If users prefer the busy tone to be played instead, the following configuration need to be made:  

“Play Busy Tone When Account is unregistered” need to be set to YES under advanced settings.  

“Outgoing call without registration” need to be set to NO under Profile x settings.  

Direct IP Calls  

Direct IP calling allows two parties, that is, a FXS Port with an analog phone and another VoIP Device, to talk to each other in  

an ad hoc fashion without a SIP proxy.  

Elements necessary to completing a Direct IP Call:  

Both HT812/HT814 and other VoIP Device, have public IP addresses, or  

Both HT812/HT814 and other VoIP Device are on the same LAN using private IP addresses, or  

Both HT812/HT814 and other VoIP Device can be connected through a router using public or private IP addresses (with  

necessary port forwarding or DMZ).  

The HT812/HT814 support two ways to make Direct IP Calling:  

Using IVR  

1. Pick up the analog phone then access the voice menu prompt by dialing “***”  

2. Dial “47” to access the direct IP call menu  

3. Enter the IP address after the dial tone and voice prompt “Direct IP Calling”  

Using Star Code  

1. Pick up the analog phone then dial “*47”  

2. Enter the target IP address.  

No dial tone will be played between step 1 and 2 and destination ports can be specified using “*” (encoding for “:”) followed by  

the port number.  

Examples of Direct IP Calls:  

a) If the target IP address is 192.168.0.160, the dialing convention is *47 or Voice Prompt with option 47, then  

192*168*0*160, followed by pressing the “#” key if it is configured as a send key or wait 4 seconds. In this case, the default  

destination port 5060 is used if no port is specified  

b) If the target IP address/port is 192.168.1.20:5062, then the dialing convention would be: *47 or Voice Prompt with option  

47, then 192*168*0*160*5062 followed by pressing the “#” key if it is configured as a send key or wait for 4 seconds.  

When completing direct IP call, the “Use Random SIP/RTP Port” should set to “NO”.  

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General	Details
Name	GRANDSTREAM HT812 Powerful 2 Port ATA with Gigabit NAT Router User Guide
Make	GRANDSTREAM
Language	English
Filetype	PDF (Download)
File size	MB

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