1.26 Networking Features
338
Feature Guide
1.26.4.5 Completion of Calls to Busy Subscriber (CCBS)—by QSIG
Description
If the call has been made to an extension in another PBX in QSIG network and the called party is busy, an
extension user can set to receive callback ringing when the called party becomes free. When the user
answers the callback ringing, that party's number is automatically dialled.
Conditions
•
This feature complies with European Telecommunication Standard (ETS) specification ETS 300 366,
Call completion supplementary services.
•
This feature is available under the following conditions:
a)
The caller's PBX is capable of using CCBS.
b)
The called party's PBX is capable of accepting CCBS.
•
To receive and send CCBS, receiving and sending CCBS must be enabled individually on an ISDN
(QSIG) port basis through system programming.
•
An extension user can set only one CCBS. The last setting is effective.
•
The CCBS setting is cancelled if there is no callback ringing within 60 minutes or callback ringing is not
answered within 10 seconds.
Programming Manual References
PC Programming Manual
PT Programming Manual
None
User Manual References
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Страница 62: ...1 2 Receiving Group Features 62 Feature Guide Feature Guide References 1 2 2 4 Queuing Feature ...
Страница 91: ...1 5 Making Call Features Feature Guide 91 User Manual References 1 2 1 Basic Calling ...
Страница 102: ...1 5 Making Call Features 102 Feature Guide 2 2 1 Class of Service COS User Manual References 1 2 1 Basic Calling ...
Страница 151: ...1 10 Conversation Features Feature Guide 151 Feature Guide References 1 18 2 Flexible Buttons ...
Страница 359: ...Feature Guide 359 Section 2 System Configuration and Administration Features ...
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