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DIN ETS 300139:1992-12
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DIN ETS 300139:1992-12
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992More info
The document deals with the stage 1 description of the Call Hold supplementary service in the pan-European ISDN. This supplementary service allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 33.080 : Integrated Services Digital Network (ISDN)
|
| Number of pages | 18 |
| Cross references | ETS 300139 (1992-03), IDT |
| Year | 1990 |
| Document history | |
| Country | Germany |
| Keyword | 300139 |