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C
Condition
• The availability of this feaure depends on the ISDN service of your telephone company.
• If you do not answer after four call-back rings, this feature will be cancelled.
• This feature is not available for an ISDN telephone user.
• * Indication tone
Programming References
• System Programming — Installation Manual Addendum
[100] Flexible Numbering, CCBS
[153] Completion of Calls to Busy Subscriber
172
6.2
SLT and ISDN Telephone Features
1 s
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