NEC UNIVERGE NEAX 2000 IPS - Manual (Page 288)

Chapter 14 Common Channel Inter-Office Signaling (CCIS)
Page 14-10 UNIVERGE NEAX 2000 IPS Request For Proposal (RFP) Reference Guide
Issue 6
Centralized E911 – CCIS
This feature allows the system to transmit a calling party number to the 911 Emergency
system over CCIS tandem connection.
Service Conditions
1. The Calling Party Information Transferring Service must be provided between calling office and
tandem office.
2. The calling through CCIS must be Least Cost Routing (LCR) calling.