3-Way Conferencing; Call Return; Voice Mail; Vm Notification - Grandstream Networks HT818 User Manual

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 hang up to complete
transfer.
4. If phone C does not answer the call, phone A can press "flash" to resume call with phone B.
Note: When attended transfer fails and A hangs up, the HT81X will ring back user A to remind A that B is
still on the call. A can pick up the phone to resume conversation with B.

3-Way conferencing

The HT81X support Bellcore style 3-way Conference. To perform the 3-way conference, we assume that
the call is established between phone A and B are in conversation. Phone A(HT81X) 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. If phone C answers the call, then A presses FLASH to bring B, C in the conference.
4. If phone C does not answer the call, phone A can press FLASH back to talk to phone B.
5. If phone A presses FLASH during conference, the phone C will be dropped out.
6. If phone A hangs up, the conference will be terminated for all three parties when configuration
"Transfer on Conference Hang up" is set to "No". If the configuration is set to "Yes", A will transfer
B to C so that B and C can continue the conversation.

Call Return

In order to call back to the latest incoming number.
1. Pick up the handset of the connected phone (Off-hook).
2. After hearing the dial tone, input "*69", and follow by "#" or wait for time out.
3. Your phone will automatically call back to the latest incoming number.
Note: All star codes (*XX) related features mentioned above are supported by ATA default settings. If your
service provider provides different feature codes, please contact them for instructions.

Voice Mail

VM Notification

The HT81X indicates new voice mail messages using Phone LEDs and Stutter Tone.
The Phone LEDs on HT81X will start blinking slowly when a new voice mail message is available on
corresponding account.
HT81x User Guide
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