Grandstream Networks, Inc.
DP715-US/DP710-US User Manual
Page
25 of 43
Firmware 0.0.0.8
Last Updated: 03/2012
Note: continuous busy tone does not indicate the transfer has been successful, nor does it indicate
the transfer has failed. It often means there was a failure to receive second NOTIFY – check
firmware for most recent release.
Attended Transfer
Assume that Caller A and B are in conversation. Caller A wants to
Attend Transfer
B to C:
1. Caller
A
presses
RECALL
on the Handset for dial tone.
2. Caller A then dials Caller C’s number followed by
#
(or wait for 4 seconds).
3. If Caller C answers the call, Caller A and Caller C are in conversation. Then A can hang up to
complete transfer.
4. If Caller C does not answer the call, Caller A can press “flash” to resume call with Caller B.
NOTE: When Attended Transfer fails and A hangs up, the DP715 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-W
AY
C
ONFERENCING
The DP715 supports Bellcore style 3-way Conference.
Instructions for 3-way conference:
Assume that call party A and B are in conversation. Caller A (DP71X) wants to bring third Caller C into
conference:
1. A presses RECALL (on the Handset) to get a dial tone.
2. A dials C’s number then # (or wait for 4 seconds).
3. If C answers the call, then A presses RECALL to bring B, C in the conference.
4. If C does not answer the call, A can press RECALL back to talk to B.
5. If A presses RECALL during conference, C will be dropped out.
6. If 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.
C
ALL
F
EATURES
The DP715 supports all the traditional and advanced telephony features.
Key
Call Features
*02
Forcing a Codec
(per call) *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729 (G729),
*0272616 (G726-r16), *0272624 (G724-r24), *0272632 (G726-r32), *0272640 (G726-r40),
*027201 (iLBC)
*16
Enable SRTP
*17
Disable SRTP
*30
Block Caller ID
(for all subsequent calls)
*31
Send Caller ID
(for all subsequent calls)
*47
Direct IP Calling.
Dial “*47” + “IP address”.
No
dial tone is played in the middle. Detail see Direct
IP Calling section on page 12.
