To specify characteristics & related test methods for an electrical interface between telephone receivers & hearing aids. Applicable to both analogue telephony terminals & digital telephony terminals.
- Edition:
- 1
- Published:
- 09/01/1996
- Number of Pages:
- 16
- File Size:
- 1 file , 51 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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