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3. If Caller C a nswers the call, Caller A and Call er C are in conve rsation. 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 u p, the GXW40XX 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
C
AY
ONFERENCING
The GXW40XX supports Bellcore style 3-way Conference.
Instructions for 3-way conference:
Assuming that call party A and B are in conversation. A (GXW40XX) wants to bring C in a conference:
1. A presses FLASH (on the analog phone, or Hook Flash for old model phones) 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 FLASH to bring B, C in the conference.
4. If C does not answer the call, A can press FLASH back to talk to B.
5. If A presses FLASH during conference, C will be dropped out.
6. If A hangs up, the conference will be terminated for all th ree parties when configuration
"Transfer on Conference Hangup" is set to "No". If the conf iguration is set to "Yes", A w ill
transfer B to C so that B and C can continue the conversation.
H
G
UNTING
ROUP
This feature allows the user to setup a singl e SIP account on the gateway and have the ability to use all
FXS ports to make/receive calls. Using this feature, all ports active in same Hunting Group will have the
same phone number and incoming calls will be distributed in a Linear or Circular manner among the ports
active in that Hunting Group. The number of hunti ng groups is limited by the number of ports each GXW
model has - i.e. each port can be its own Huntin g Group. The most practical and efficient way to use
Hunting Groups is to assign 2 or 3 ports to separate Hunting Groups.
One additional and popular way to use the Hunting Group feature is called " multiplexed analog lines". In
this configuration, a legacy PBX system with 8
configured as a Hunting Group. The GXW can be registered to a SIP se rver provider using only one
phone number. If the SIP service provider allows multiple calls to the same number, the GXW will allow 8
concurrent calls to the same SIP number. All office members can be reached remotely using the same
phone number in a round-robin fashion.
Example Configuration of a typical Hunting Group:
1. Configure the SIP accou nt from your VoIP Service Provider on FXS port 1 under FXS Ports
webpage.
2. Select Active under the Hunting Group drop box for FXS port 1.
3. For the remaining ports (say 2, 3 and 4) sele ct 1 for Hunting Group. Ports 2, 3 and 4 are now
active members of the hunting group associated with port 1.
This configuration will route all calls directed to F XS port 1 to ports 2, 3 and/or 4 in round robin fashi on
respectively if port 1 is busy or times out. You can configure the ring timeout on the Profile page.
Example configuration of a multiple Hunting Group:
FXS Port #1: SIP UserID and Authenticate ID entered, Hunting group set to "Active"
Grandstream Networks, Inc.
FXO trunks can be connec ted to 8 GX W 4008 ports
GXW40XX User Manual
Firmware 1.0.5.10
Page 15 of 40
Last Updated: 01/2012
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