ASCOM Ascotel 2025 System Manual page 470

ascom Ascotel 2025/2045/2065
If the system requirements are met, the three-party conference with one internal
and two external subscribes can also be transferred to the exchange.
PBX
ISDN
A
B
haz1228aaena0
C
Fig. 2.158: Three-party conference as a service in the public network, with 1 internal and 2
external subscribers
The supplementary service three-party conference is activated locally but moved
from the system to the public network. Only 1 B channel is seized as a result.
HBT_20321104_02/B0_en Features 2.293