NEC NDA-24305 - page 139

NDA-24305 CHAPTER 5
Page 121
Revision 1.0
OUTGOING TRUNK QUEUING-PRI
O-24 OUTGOING TRUNK QUEUING-PRI
1. General Description
This feature allows a station user, upon encountering an ISDN trunk busy signal, to dial a specified access code
and enter a first-in, first-out queue. As soon as an ISDN outgoing trunk becomes avail able, stations in t he queue
will be called back on a first-come, first-served basis.
2. Operating Procedure
1. Dials the desired number to the ISDN trunk; receives Busy Tone.
2. Press the switchhook; receives Special Dial Tone.
3. Dials the OUTGOING TRUNK QUEUING access code and receives Service Set Tone.
4. Replaces the handset.
When an ISDN trunk becomes available, a station in the queue is called back.
To cancel
1. Lifts the handset; receives Dial Tone.
2. Dials the OUTGOING TRUNK QUEUING cancel code; receives Service Set Tone.
3. Programming
STEP 1: ASYD - System Data 1, Index 68, bit 3: Enables automatic cancel timer as set in System Data 1,
Index 159. 0/1: -/Enable.
Index 159: OUTGOING TRUNK QUEUING (OGQ) release timer.
Standard data of 00H for 30 minutes may be assigned.
System Data 2, Index 4, bit 0: Should the access code for CALL BACK and
OUTGOING TRUNK QUEUING be the same? 0/1: No/
Yes .
bit 1: Enable Automatic OUTGOING TRUNK QUEUING?
0/1: No/Yes.
bit 2: Enable OFF-HOOK OUTGOING TRUNK QUEUING
for the Attendant Console? 0/1: No/Yes.
STEP 2: ANPD - Reserve a number level for service feature access and cancel. Assign Connection Indexes,
CI = B. Assign NND in accordance with a predetermined numbering plan.