Provide PDF Format
ETSI EN 300 659-3
- Access and Terminals (AT); Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services; Part 3: Data link message and parameter codings
- standard by European Telecommunications Standards Institute, 01/01/2001
- Publisher: ETSI
$17.00$33.00
Definition of the protocol for data link messages and parameter codings on analogue lines required to support display services such as Calling Line Identification Presentation for the PSTN.