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INTER-TEL
®
CS-5200/5400 ADMINISTRATOR GUIDE, ISSUE 1.1 – August 2005
Example of a Remote Site Without an MGCP/SIP Gateway
Page 163
If an Off Premises Extension is used for dialing and Emergency Number such as 911 in the US
or 999 in the European market, the emergency responder operators will see Calling Party Num-
ber or the address of the location of the system, not the off-premises address. Off-premises per-
sonnel should be prepared to give the correct address and other pertinent information if it is not
programmed as the Calling Party Number.
The following diagrams illustrate a remote site without and with an MGCP/SIP gateway.
Figure 11.
Example of a Remote Site Without an MGCP/SIP Gateway
Figure 12. Example of a Remote Site with an MGCP/SIP Gateway
.
When configured with an MGCP/SIP Gateway, the system can be programmed so that when an
Emergency Number such as 911 or 999 is dialed from an IP endpoint, the associated calling
name and number, not the system, is sent to the emergency responder operators.
Inter-Tel 5000
PSTN
IP NETWORK
IP Endpoint
911
Operator
Located in Orange, California
Caller ID Display:
714-283-1600
480-961-9000
Located in Phoenix, Arizona
480-961-9000
Remote Site
Caller dials 911
Phoenix, Arizona
USA
USA
USA
PSTN
IP NETWORK
IP Endpoint
911
Operator
Located in Orange, California
Caller ID Display:
714-283-1600
714-283-1600
Phoenix, Arizona
480-961-9000
Remote Site
MGCP/SIP
Gateway
(i.e., AudioCodes)
Caller dials 911
Orange, California
Inter-Tel 5000
USA
USA
USA
NOTE
The MGCP/SIP gateway is intended to connect to the PSTN. Connecting the
MGCP gateway to single line ports on other telephone systems is currently not
supported.