No products
New product
This Recommendation provides the stage 2 service description of the Three-Party supplementary service. This service enables a user who is involved in at least two calls (one active call and at least one call on hold) to join the two calls together into a three-way conversation, i.e. a simultaneous communication between the served user and two other parties.
Author | ITU |
---|---|
Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.080 : Integrated Services Digital Network (ISDN)
|
Number of pages | 21 |
Replace | ITU-T Q.84.2 (1992) |
Year | 1990 |
Document history | ITU-T Q.84.2 (1995-10) |
Country | Switzerland |
Keyword | CCITT Q.84;CCITT Q.84.2;ITU-T Q.84;ITU-T 84;84;ITU-T Q.84.2 |