1.21 Integrated Services Digital Network (ISDN) Service Features
1.21.1.8 Three-party Conference (3PTY)—by ISDN
Description
During a conversation using an ISDN line, an extension user can add another party and establish a three-
party conference call using the ISDN service of the telephone company, instead of the PBX feature.
Conditions
•
This feature complies with the following European Telecommunication Standard (ETS) specification:
–
ETS 300 188 Three-Party (3PTY) supplementary service.
•
The availability of this feature depends on the contract with the telephone company.
•
This feature can be enabled or disabled on an ISDN port basis.
Programming Manual References
PC Programming Manual
2.7.14 [1-1] Slot—BRI Port—Supplementary Service—COLP, CLIR, COLR, CNIP, CONP, CNIR, CONR, CF
(Rerouting), CT, CCBS, AOC-D, AOC-E, 3PTY
2.7.16 [1-1] Slot—PRI Port (KX-TDA100/KX-TDA200/KX-TDA600 only)—Supplementary Service—COLP,
CLIR, COLR, CNIP, CONP, CNIR, CONR, CF (Rerouting), CT, CCBS, AOC-D, AOC-E, 3PTY
PT Programming Manual
None
User Manual References
1.4.5 Multiple Party Conversation
264
Feature Guide