Chapter Two Operating
8
2.8 Conference ( 3-party, 1 CO and 2 Extensions)
Format : Tap hook-switch + * + ABCD
ABCD = Extension number
Description: During a 2-party conversation, an extension user can add a third party to
make a 3-party conference.
Example: Extension 8002 is answering an outside call, 8002 wants to add 8015 to build
a 3-party conference.
Operating: 1) Extension 8002 is answering an outside call;
2) 8002 taps hook-switch rapidly to get internal dial tone, input * 8015;
3) 8015 is ringing, music is sent to outside caller while being transferred;
5) 8015 lifts handset can get through to outside caller and 8002, here 3-party
conference is established.
1. When two extensions are making internal call, their conversation cannot
be heard by outside caller; when in 3-party conference, outside caller and
two extensions are involved.
2. No matter when it is ready to transfer or when at 3-party conference, user
will hear internal dial tone after he tap hook-switch, here user must to input
destination extension number within 10 seconds, otherwise, this extension
will be get through to outside caller again.
Format : Tap hook-switch + ABCD
ABCD = Extension number
Description: Allows an extension user transfer an internal call to another extension.
Example: Extension 8002 is making internal talk with extension 8032, 8002 wants to
transfer call to 8015.
Operating: 1) Extension 8002 is making internal talk with 8032;
2) 8002 taps hook-switch rapidly, then dial 8015;
3) 8015 is ringing, 8032 is listening ring tone;
4) 8015 lifts handset can build internal talk with 8002, 8032 is keep
listening ring tone;
5) 8002 hangup, 8015 will get through to 8032.
2.9 Internal Call Transfer ( Between Extensions)
1. User must to tap hook-switch rapidly which time should not over assigned
hook-switch flash time(refer 3.61), otherwise, the line will be disconnected;
2. After user A has inputted extension number of C, when C is busy, three Beep
busy tone is sent to A, and A will reconnect with extension B.
3. If extension C is idle, will have follow cases:
a). C is ringing, A does not hangup, when C lifts handset can get through
to A, whoever A or C is hangup, the remain party will connect with B;
b). C is ringing, A does not hangup, when C lifts handset can get through
to A, here if B hangup, A and C will hear busy tone;
c). C is ringing, A hangup, when C lifts handset can get through to B;
d). C is ringing, B hangup, A will hear busy tone, C will stop ringing.
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