Message Waiting Indication(Mwi); Mute Calls; Call Hold; 3-Way Conference Calls - ATCOM AT840 User Manual

AT840 Series User Manual
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) Message 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) Mute 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 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
back to 3-way conference mode. If hang up without exiting the status of hold. The conversation
will not be canceled; the line is still on hold.

10)3-Way Conference Calls

To initiate a conference call:
Press the Conf soft button in a conversation to hear a dial tone.
Enter the telephone number of the third party and press dial key to send it out.
1) Press the "Conf" soft button in Called party ringing state. When the third party answers the call,
it will enter 3-way conference automatically.
2) After the third party answers the call, pressing "Conf" key to enter 3-way conference.
3) Press "Join" soft button to leave the conference and make the two other parties still in a
conversation.
4) If user hangs up the call directly without pressing "Join" soft button, the conference will be
ended and the three parties are hanging up.

11)Call History

AT840 supports 200 missed calls, 200 incoming calls and 200 dialed calls. When the storage is full,
the latest call will update the history.
Press "redial" soft button when standby, all the incoming(->) outgoing(<-) and missed calls(!)
will be listed. There is other way to check them:
 Missed
call Method
1:
1) When the LCD screen displays "(number) Missed call(s)", press soft button "Missed", then the
screen shows all the "Missed Call".
2) Press navigation button to browse missed call history.
3) Choose the missed call record, press "Dial "soft button to call back it
4) Press "Delete" soft button to elect this item.
5) Press "Edit"soft button to edit this item.
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NAM TRUONG GIANG
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