Call Transfer; Call Hold; Way Conference Calls - ATCOM AT840 series User Manual

AT8 AT8 AT8 AT84 4 4 4 0 0 0 0 Series Series Series Series User User User User Manual
During an active call, press the "xfer" soft key to place the current call on hold and to activate an
idle line key. Dialed the transfer target number on the newly activated line. When the target is
ringing or answered, press the "xfer" soft key again to complete the transfer.
Notes:
The case that transfer a call before the transfer target answer the phone is called semi-attended
call transfer. This is different from a blind transfer which is described in the next subsection.
� Blind call transfer
A blind transfer allows the user to transfer a call without speaking with the receiver of the
transferred call. For the user, the call ends as soon as the transfer target's phone number is dialed.
The underlying mechanism is the user's phone sends the contact information for the transfer
target to the phone of the other party on the call. The information is carried in a signaling
message. When the message is sent, the user's phone is dropped from the call and the other
party's phone automatically dials the transfer target.
To perform a blind transfer press the right navigation key then press "Bxfer" soft key and dial the
target number,press "dial" to blind transfer the call to this target.
7) 7) Message Message waiting waiting
7) Message 7) Message waiting waiting indication(MWI)
The AT840 has an MWI key on the phone with an envelop ico. If user doesn't set the voicemail
number, pressing MWI key will require the setup of voicemail number. Then pressing the MWI key
can directly access the mailbox.
8) Mut 8) 8) 8) Mut Mut Mute e e e calls calls calls calls
The user can mute the audio input into the phone when an audio device is switched on, by
pressing the MUTE key. To un-mute, press the MUTE key again. If no audio device is on, pressing
the MUTE key has no effect. When switching from the speaker phone to the handset, the phone
is automatically un-muted.meanwhile Sip server must support RFC3515.
9) Call 9) 9) 9) Call Call

Call Hold

Hold Hold Hold
User can hold the current call by pressing soft button "Hold". And by pressing soft button "Resum"
or press the line key, 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
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indication(MWI) indication(MWI)
indication(MWI)
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