BS 8521 PDF

Description

BS 8521 – Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems

Cross References:
BS EN 50134-1
BS EN 50134-3
ES 201 235-1
ES 201 235-2
ES 201 235-4
ITU-T Recommendation G.711:1988

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:

04/30/2009

ISBN(s):

9780580550799

Number of Pages:

30

File Size:

1 file , 820 KB

Product Code(s):

30129608, 30129608, 30129608

Note:

This product is unavailable in Ukraine, Russia, Belarus