Emergency 911 dialing – Nortel Networks T7316 User Manual
Page 19
Preface
19
Telephone Features Programming Guide
Emergency 911 Dialing
Emergency 911 dialing is the capability to access a public emergency response system.
State and local requirements for support of Emergency 911 dialing service by Customer Premises
Equipment vary. Ask your local telecommunications service provider about compliance with
applicable laws and regulations.
Emergency 911 dialing may not apply to International systems.
IP telephones: If you allow this service on IP telephones that are installed or used off-site, you
must ensure that the 911 telephone number is not mapped to the system address in the emergency
response system.
DISA
Direct Inward System Access
DN
Directory Number (Extension Number)
DND
Do Not Disturb
DLR
Distinctive Line Ring
DRP
Distinctive Ring Pattern
DRT
Delayed Ring Transfer
ERC
Express Routing code
HS
Hospitality Services
IP
Internet Protocol
ISDN
Integrated Services Digital Network
ISO
International Organization for Standardization
PBX
Private Branch Exchange
PRI
Primary Rate Interface
RC
Room Condition
RJXX
Registered Jack XX (Where XX is used to denote numbers, for
example: 45 or 5.)
RO
Room Occupancy
SLR
Selective Line Redirection
SWCA
System-wide call alert
URL
Uniform Resource Locator