DAG2000 Series FXS Voice Gateway User Manual
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Dinstar Technologies Co., Ltd.
3)Continuous busy tone. The phone has timed out.
2.4.2 Attended Transfer
Attended transfer allowsusers to confirm the third party response and decide whether to
answer the calls and then transfer this call to the third party.
Assume that Caller A and B are in conversation. Caller A wants to
Attend Transfer
B to C:
1)Caller A presses FLASH on the analog phone for dial tone;
2)Dial Caller C’s number followed by # (or wait for 3 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.
2.4.3 3-way Conference
3-way conference:
1)Caller A call B,B pick up into call states;
2)Caller A hook flash, A and B into keep states, then C call A, A through to the phone.
3)A hook flash, then A、B、C into keep states, at this time if A press 1 key, then A and B
continue to call; if A press 2 key, then A and B continue to call; if A press 3 key, then A、B、
C three parties go to call.
Figure 2.4-1:3-way Conference