ATCOM 5520 User Manual page 23

User A.B.C, assume B is 5520 Ip phone:
1) When A Calls B with B receives.
2) B presses soft button "Xfer" when A is calling.
3) B dials C's number.
4) After dialing C, B directly Presses soft button "Xfer", then transfers the call to C.
5) C receives the phone, starts to talk to A.
Remarks:
To carry out this function, IP Phone must work with Call waiting and call
transferfunction; meanwhile Sip server must support RFC3515.
、
User can hold the current call by pressing soft button "Hold". And by pressing soft
button "Resu" , user can get back to the previous call. In 3-way conference call
mode, user can also press this button to hold 3-way conference call, and if you
press it again, user can go back to 3-way conference mode. If hang up without
exiting the status of hold. The conversation will not be cancelled; the line is still on
hold.
、
Assume B is 5520 phone among user A,B and C.
A calls B and talks with B through VoIP.
1) B can press soft button "conf" to hold the call with A.
2) Then B inputs C's number.
3) B presses Soft button "dial" to call to C.
4) C is on the call with B and A is on hold.
5) B presses Soft button "Conf" button to make 3-way conference call.
6) B presses soft button "spli" to end 3-way conference call and returns to the
call with A while C is holded.B can press "Swit" to switch the call between A
and C.
7) B presses soft button "exit" to end all the calls.
、
5520 supports 100 missed calls, incoming calls and dialed calls record. When the
storage is full, the latest call will update the history. When the phone reboots or be
out of power, all the call history will be cleared.
Missed call
1) When the LCD screen displays "(number) Missed call(s)", press soft button
"Miss", then the screen shows all the "Missed Call".
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