Cortelco 2747 Manuale Utente

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4.4  Phone Configuration on web 
 
Clicking on the “Phone” icon will display the following page to allow 
configuration of phone related parameters.   
 
 
 
 
4.4.1  Prefix 
These entries are used for VoIP systems which require special treatment of 
country codes, international codes, and area codes.     
Any numbers placed in the “My Country Code” and “Area Prefix Code” 
boxes will be appended to the front of dialed numbers.     
Any numbers placed in the “International Code” box will be removed 
from the front of dialed numbers. 
In most cases, these values are not needed and the boxes should be left 
empty.   
 
4.4.2  Voice 
4.4.2.1  Ring Volume     
Adjusts the volume of ringing.