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ENHANCED 911
NEAX2000 IVS
2
Business/Hotel/Data Features and Specifications
Page 162
NDA-24271, Issue 1.0
ENHANCED 911
General Description
This feature allows the PBX to transmit a callers’ emergency service identification information to an Enhanced
911 Emergency system.
Station Application
All stations and Attendant Consoles.
Operating Procedure
1. Lift the handset and receive a dial tone.
2. Dial the trunk access code and telephone number (e.g., 911).
3. The system automatically completes a call and sends the pre-assigned number: calling area code + calling
station number.
Service Conditions
1. Up to four 911 Sender trunk can be accommodated in the system which includes T1-ANI/Caller ID Receiver
trunk.
2. The caller’s telephone number must be sent in Automatic Number Identification (ANI) format,
corresponding to Centralized Message Accounting (CAMA) standards. A trunk circuit capable of
performing these functions is called a CAMA type trunk.
3. The calling station in the system will receive ROT if there is a C.O. line failure on the CAMA trunks.
4. If the system has multiple CAMA trunks and the calling station receives ROT due to a C.O. line failure, the
calling station must go on hook and then attempt the call again.
With CM 35, YY = 83 set to “1” (by allotter) for the CAMA trunk route, the PBX will select the next
available CAMA trunk.
Note:
For this purpose, it is recommended that the system has a minimum of two CAMA trunks for Enhanced
911.
5. The physical interface for Enhanced 911 can be any of the following:
• Digital (T1) configured as Loop Start or E&M type lines
• Analog E&M type lines
• Analog Loop Start lines
Note:
These lines must be ordered from the C.O. as CAMA type trunks.