13.1.1  

Direct Inward Dialing (DID) 
 

Definition  
This feature allows a direct connection via the public network to an extension in a communications server using the ISDN numbering plan.

Model-Specific Data  

 Subject  
 HiPath 3800  
 HiPath 3550  
 HiPath 3500  
 HiPath 3350  
 HiPath 3300  
Feature available in  
 x  
 x  
 x  
Hardware requirements  
 Digital trunk connection  
Software requirements  
 V5.0 or later  
 V1.0 or later  
 V1.0 or later  
CO feature  
 x  
 x  
 x  
Station feature  
 -  
 -  
 -  

Dependencies/Restrictions  

 Subject  
 Dependency/Restriction  
DID  
The extensions in the communications server must have at least outward restricted class of service, and direct inward dialing must be permitted.