Definition of the protocol for off hook data transmission on analogue lines required to support display services such as Calling Line Identification Presentation for the PSTN.
- Edition:
- 1
- Published:
- 09/01/1997
- Number of Pages:
- 14
- File Size:
- 1 file , 34 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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