7
MX-ONE - Aastra 6755i
Aastra 6755i Quick Reference Guide
English
Dial by callers list: Press the Callers list key.
Press   to wanted number or 
name
Press Dial 
Dial by shortcut 
(speed dial):
Press the shortcut key. Press More to 
get to next page with shortcuts.
Redial last external 
number:
 
***.
Press Dial
Finland and Sweden: **0
Redial from outgoing 
calls list:
Press . 
Scroll with   to wanted number 
Press Dial
Silent Ringing and Mute 
Switch off ring signal: Press the left Volume key until the 
text Ringer is OFF is shown in the 
display.
Note: Ring signal is switched off until the right 
Volume key is pressed 
Mute microphone 
during call:
Press  
Volume
Adjust volume during 
a call:
Press 
Adjust ringing 
volume:
Press   when in idle 
mode.
Callback 
The busy extension calls back when free.
Order: Press 6 
or press More > CallBack
France, New Zealand, Sweden: 5
Make Calls (Continued)
Cancel all 
callbacks:
 #37# Press Dial
Cancel single 
callback:
 #37* Extension number 
# 
U.S.A. and Canada: #6*
Call Waiting 
A call waiting signal is sent to the busy extension.
Order
:
Press 5 or 
press More > CallWaiting
If you hear a ring tone, keep the 
handset off hook.
France, New Zealand: 6
Sweden: 4
Cancel call 
waiting:
Call Waiting is indicated on line 2 (L2) during an ongoing 
call on line 1.
Answer: Press the L2 key.
Intrusion
Intrude a busy extension to ask the party to hang up.
Activate: Press 4 or
Press More > Intrusion.
France, New Zealand, Sweden: 8
Bypass
(Bypass diversion (e.g. Follow-me) on a specific 
extension.)
Activate:
 *60* Desired number #
Press Dial
U.S.A. and Canada: #1*...
Callback (Continued)