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Interactions
1.
A station in an established three-way connection cannot flash the switch hook to activate a feature. The
flash disconnects the last party connected.
2.
All three-way calls are protected by privacy. No more than three ports can be bridged together at one time,
unless PRIVACY RELEASE [P-18] is being used.
3.
If a three-way call includes two trunks and the station hangs up, the trunks will release, unless the trunks
are allowed TRUNK-TO-TRUNK CONNECTION [T-10] via the ARRC command, ARI-D-RES.
Programming
STEP 1:
ASYD - System Data 2, Index 1, Bits 0 & 1. Consultation Hold allowed or denied. 00: Denied; 01:
Originating and Terminating Calls allowed, Tandem Call Denied; 10: Only Terminating Calls
Allowed; 11: All calls allowed.
System Data 2, Index 6, Bit 2. This Bit remains as data "0". CALL TRANSFER-ALL CALLS [C-11].
System Data 2, Index 6, Bit 3. Enable add-on ability. This Bit remains as data "0" to allow THREE-
WAY CALLING.
System Data 3, Index 2. Assign data 91H for Normal (N), Hooking (H) values.
STEP 2:
ATRK - Assign LENs as Route 909, Digital Conference Trunk. The LEN consists of the following:
Group and level numbers for the digital conference trunk are 210, 213, 216, 221, 224, 227, 232, 235.
STEP 3:
MBTK - Make idle the Digital Conference Trunk
STEP 4:
ARRC - Allow for trunk-to-trunk connections between any two routes that may be used in THREE-
WAY CALLING. Assign these routes for ARI-A-RES: This connection is for a station and two trunks
ARI-D-RES. If the originating party hangs up, the remaining two parties will stay connected.
STEP 5:
ARSC - The route restriction class must be constructed to allow the station access to the involved
routes.
STEP 6:
ASFC - When Consultation Hold Enhancement is used, assign each station Service Feature Class
(SFC) that allows SFI 138 and SFI 140.
SFI 138:
SFI 140:
Consultation Hold Enhancement
FCCS Programming
This data setting describes only the additional or replacement commands used to activate FCCS
services. When used as an FCCS feature, these commands replace the non-network commands (for
example, AAED is replaced by AAEDN). Note that the data setting for FCCS service varies depending
on the node.
STEP 1:
ARRCN - Allow for trunk-to-trunk connections between any two routes that may be used in THREE-
WAY CALLING. Assign these routes for ARI-A-RES: This connection is for a station and two trunks
ARI-D-RES. If the originating party hangs up, the remaining two parties will stay connected.
STEP 2:
ARSCN -The RouteRestrictionClassmustbe constructedto allow thestationaccesstotheinvolvedroutes.
Note:
When using ASYDL or ASYDN to program an FCCS feature, the basic programming of ASYD is required
in addition to ASYDL or ASYDN.
NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Three-Way Calling
Module Group
XX
Consultation Hold Enhancement
Send Warning Tone to interrupted parties when three-way calling is established using
Note
Group
Level
Unit
X
XX
X
T-2
Page 737
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