NEAX2400 IPX ISDN Features and Specifications
Page 130 NDA-24311, Issue 1
T-38 Three-Way Calling - PRI
T-38 Three-Way Calling - PRIGeneral Description
This feature enables any user to add another party to an existing ISDN network connection, estab lishing a thre e-way
conference.
Operating Procedure
1. Place the original party on hold.
2. Press the switchhook; receive special dial tone.
3. Dial the desired number; receive an answer.
4. Announce the conference and press switchhook again.
5. THREE-WAY CALLING - PRI is now established.
Service Conditions
1. The originating party can hang up at any time. The other two parties remain connected.
2. Any combination of parties (internal or external) can be included in THREE-WAY CALLING - PRI.
3. The maximum number of simultaneous three-way calls is dependent on the quantity of
conference-function trunks within the system. The conference function is included in the INT and
TSW-INT cards.
4. The THREE-WAY CALLING - PRI feature is not restricted by the line class of service assigned to the
user’s line; therefore, a fully restricted station can transfer a call to another station or the ATTENDANT
CONSOLE [A-3].