Completion Of Calls To Busy Subscriber (Ccbs) - Panasonic KX-TDA100 Features Manual

Completion of Calls to Busy Subscriber (CCBS)

Description
If the called party is busy and the call has been made using an ISDN line, 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.
This feature complies with the following European Telecommunication Standard (ETS)
specifications: ETS 300 359 Completion of Calls to Busy Subscriber (CCBS) supplementary
service.
Conditions
• This feature is available under the following conditions:
a)
The caller's PBX is capable of using CCBS and the service is provided by the
network.
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 port basis through system programming.
• An extension user can set only one CCBS at a time.
• The CCBS setting is cancelled if there is no callback ringing within 60 minutes or callback
ringing is not answered within 10 seconds.
• CCBS Signal Waiting Time
The time allowed for sending a CCBS signal while hearing busy tone is programmable.
1.18 Integrated Services Digital Network (ISDN) Service Features
Feature Guide 175