This EN will endorse the ISO Stage 3 Call intrusion supplementary service (ISO 14846). It is the version 2 of ETS 300 426.
- Edition:
- 1.2.1
- Published:
- 03/01/1999
- Number of Pages:
- 6
- File Size:
- 1 file , 23 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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