This European Telecommunication Standard (ETS) specifies the supplementary services Call Completion on Busy Subscriber (SS-CCBS) and Call Completion on No Reply (SS-CCNR), which are applicable to various basic services supported by Private Integrated Services Networks (PISN).
- Edition:
- 2
- Published:
- 05/01/1996
- Number of Pages:
- 4
- File Size:
- 1 file , 14 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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