3-Way Conferencing; Call Return - Grandstream Networks HT801 User Manual

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 HT801 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 HT801 supports 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(HT801) 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 code (*XX) related features mentioned above are supported by ATA default settings. If your
service provider provides different feature codes, please contact them for instructions.
HT801 User Guide
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