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

The phone A received a call from C, then it held B to answer C.  

Press the “Flash + 1” to hang up the current call (A – C) and resume call on hold (B).  

Or press “Flash + 2” to hold current call (A – C) and resume call on hold (B).  

Attended transfer:  

Assume that the call is established between phone A and B. The phone A wants to attend transfer phone B to phone C:  

1. On the phone A presses FLASH to hear the dial tone.  

2. Phone A dials the phone C’s number followed by # (or wait for 4 seconds).  

3. If phone C answers the call, phones A and C are in conversation. Then A can press “Flash + 4” to complete transfer.  

3-Way Conferencing:  

Assume that the call is established, and phone A and B are in conversation. Phone A(HT801/HT802) wants to bring third  

phone C into conference:  

1. Phone A presses Flash (on the analog phone, or Hook Flash for old model phones) to get a dial tone.  

2. Phone A dials C’s number then # (or wait for 4 seconds).  

3. When phone C answers the call, then A can press “Flash +3” to bring B, C in the conference.  

Note  

Additional Flash digit events have been added on the latest firmware version 1.0.43.11  

RESTORE FACTORY DEFAULT SETTINGS  

Warning  

Restoring the Factory Default Settings will delete all configuration information on the phone. Please backup or print all the  

settings before you restore to the factory default settings. Grandstream is not responsible for restoring lost parameters and  

cannot connect your device to your VoIP service provider.  

There are three (3) methods for resetting your unit:  

Using the Reset Button  

To reset default factory settings using the reset button please follow the steps above:  

1. Unplug the Ethernet cable.  

2. Locate the reset hole on the back panel of your HT812/HT814.  

3. Insert a pin in this hole, and press for about 7 seconds.  

4. Take out the pin. All unit settings are restored to factory settings  

Using the IVR Command  

Reset default factory settings using the IVR prompt:  

1. Dial “***” for voice prompt.  

2. Enter “99” and wait for “reset” voice prompt.  

3. Enter the encoded MAC address (Look below on how to encode MAC address).  

4. Wait 15 seconds and device will automatically reboot and restore factory settings.  

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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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