Eicon Networks V8.3 사용자 설명서

1)

 HOLD is not a standard supplementary service for Euro-ISDN PRI, nevertheless some PBXs 

support call hold and retrieve.

2)

 HOLD is not defined in Q-Sig but corresponding procedures are available.

3)

 Call transfer is only possible if path replacement works. 

4)

 In a Q-Sig environment, the feature is also called ‘Simple Dialog’.

Generic functional 
procedures (basis for 
supplementary services in 
Q-Sig environment)

•

Common information

•

Redirected number 
translation from Q-Sig to 
Q.931

•

Escape message types

•

(5ESS Custom 

only)

Call Appearance/Call 
Handling (CACH) plus 
configuration

•

Feature activators plus 
configuration

•

(5ESS NI + DMS 

100 only)

Network display 
conversion/treatment

•

Message waiting

•

•

•

•

CCBS (call completion to 
busy subscriber)

•

•

CCNR (call completion on 
no reply)

•

•