NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1 Page 35
Call Waiting - Terminating - PRI C-114
C-114 Call Waiting - Terminating - PRIGeneral Description
This feature enables a busy station to receive a second incoming call from DID trunk of ISDN network. A call
waiting tone is sent to the busy station; the user can use CALL HOLD [C-6] to answer the second call. CALL HOLD
[C-6] can be used to alternate between the two ca lls.
Operating Procedure
To activate CALL WAITING - TERMINATING on an incoming ISDN trunk call
1. The NEAX2400 IPX receives the called telephone number.
2. If the called station is busy, CALL WAITING - T ERMINATING is automati cally set; calling stat ion
receives call waiting ringback tone. Call waiting tone (2 beeps) is sent to the busy station. If the called
station is a Dterm, LED of ANSWER key flashes.
To answer a CALL WAITING - TERMINATING call
1. Call waiting tone is heard during the call in progress.
2. Flash the switchhook or press the ANSWER key on the Dterm to hold the existing call.
3. CALL WAITING - TERMINATING call is automatically connected.
4. By another switchhook flash or pressing the ANSWER key, the user is returned to the original call and th e
second call is placed on hold.
OR 1. Call waiting tone is heard during call in progress .
2. The called station hangs up; priority ringing is sent.
Priority ringing = 0.4 sec. ON 0.2 sec. OFF 0.8 sec. ON
0.2 sec. OFF 0.4 sec. ON 0.4 sec. OFF
3. Lift the handset to answer.
Service Conditions
1. Call waiting tone is two beeps. A beep is 200 milliseconds ON/OFF.
2. Periodic call waiting tone can be eliminated f o r each tenant by setting system data.
3. To be activated, CALL WAITING - TERMINATI NG - PRI must be allowed in the ca ll originator’s
CLASS OF SERVICE - INDIVIDUAL [C-15] programming.
4. There is no limit on the number of stations able to receive this feature simultaneously.
5. CALL WAITING - TERMINATING - PRI is denied when the called station is connected to the
ATTENDANT CONSOLE [A-3].
6. CALL WAITING - TERMINATING - PRI can be set only when the called station is busy on a two-party
call with another station or trunk.
7. Call waiting ringback tone changes to normal ringback tone for the calling station, when t he called s tation
goes on-hook.
8. CALL WAITING - TERMINATING - PRI cannot be activated while in the CONSULTATION
HOLD - ALL CALLS [C-17] mode.
9. CALL WAITING - TERMINATING - PRI cannot be used in conjunction with DIAL ACCESS TO
ATTENDANT [D-2].