At&t’s megacom, At&t’s multiquest – NEC UNIVERGE NEAX 2000 IPS User Manual
Page 189

 Chapter 9 Descriptions 
 
 
UNIVERGE
NEAX
2000 IPS
Request for Proposal (RFP) Reference Guide
Page 9- 43
Issue 6
Event-Based CCIS
This feature allows a PBX customer who does 
not have a tie line (or when a customer cannot 
use the tie line due to busy or fault of the line), 
to use the various CCIS feature by using the 
ISDN line as a CCIS virtual tie line, between 
the 2400 IPX to 2000 IPS connection or the 
2000 IPS to IPS connection. 
Incomplete Number Handling
When a DID number incoming from ISDN is 
incomplete, the call can be transferred to a 
predetermined station or attendant console. 
ISDN Terminal
This feature provides the system with an 
ISDN Terminal or Terminal Adapter (TA). 
ISDN Terminal to ISDN Terminal, ISDN 
Terminal to ISDN Trunk, ISDN Trunk to ISDN 
Terminal, ISDN Terminal to Single Line 
Telephone, ISDN Terminal to Multiline 
Terminal, and ISDN Terminal to PS 
connections are available. 
 
MEGACOM
®
Access/WATS
AT&T’s MEGACOM
®
(WATS) network, as well
as WATS from other carriers, can be used. 
 
MEGACOM
®
800 Service/800 WATS Ultra WATS
AT&T’s MEGACOM
®
800 (Inward WATS)
network, as well as 800 WATS provided by 
other carriers, can be used. 
 
MULTIQUEST
®
/900 Service
AT&T’s MultiQuest
®
service can be used. (It is
a “900”-type service.) Also, 900 service 
provided by other carriers can be used. 
 
 
Overlap Receiving
Overlap Receiving is available for an incoming 
call to the 2000 IPS from ISDN network. 
Overlap Receiving is a procedure, used in call 
establishment of an incoming call, to enable 
the network to send called party number digits 
to the user in successive messages, as and 
when they are made available from the 
remote network. 
 
Overlap Sending
Overlap Sending is available for an outgoing 
call from the 2000 IPS to ISDN network. 
Overlap Sending is a procedure, used in call 
establishment of an outgoing call, to enable 
the user to send called party number digits to 
the network in successive messages. 
Sub-Address–Present
This feature allows a Primary Rate Interface 
ISDN trunk to transfer the Called Party Sub-
address information to a destination ISDN 
station when the call is originated by the 
system. Dialing the called party station 
number and sub-address is required. 
 
Trunk Provisioning Service Selection
Each channel of a PRI interface can be 
dedicated to a particular service. Services are 
designated to specific channels; once 
designated, a channel can be used only for 
that service. 
 
