Outgoing Calls
BusinessPhone – Dialog 4425 IP Vision34
Abbreviated Numbers
By using Abbreviated Numbers, you can make calls simply by 
pressing a few keys. Frequently used external numbers are stored 
as Common Abbreviated Numbers in the exchange. 
Your personal most frequently used external numbers can be 
stored and used on the programmable keys on the telephone or on 
the keys 0 to 9.
Common Abbreviated Numbers
External numbers are stored centrally in your BusinessPhone 
Communication Platform. Common Abbreviated Numbers can be 
dialled from every extension that has the authority to do so.
z
Enter the Common Abbreviated Number.
Please refer to your telephone directory.
Dial-by-Name
If you frequently use certain functions or call certain numbers, you 
may program them on the programmable keys of your telephone. 
Stored numbers can consist of a maximum of 24 digits. For 
programming them, see chapter “Programmable Keys” on 
page 94.
To use the function or call the number, just press the key.
Head Office Ô Press to make a call (pre-programmed).