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If you are using a software firewall program such as ZoneAlarm, you want to make
sure the Model 8602 is added to the "Exceptions" or "Allowed" list. The destination
IP address may need to be added to the firewall's "Trusted Zones." Refer to the manu-
facturer's documentation for information on configuring your application.
Wireless Considerations
To operate, the Plantronics CS50-USB Wireless Headset must remain within the sys-
tem's range operating limit from the base. Refer to the CS50-USB Wireless Headset
System User Guide for more details. Contact your local Inter-Tel provider for the user
guide.
Emergency (E911) Call Information
When the installation wizard is run, a screen appears with the information below on
emergency 911 (programmed default number for US Inter-Tel telephone systems) or
999 (programmed default number for European Inter-Tel telephone systems). You
must select "I agree" to continue with installation of the IP softphone. This message
also appears each time you initiate and run the IP softphone.
Select "never show this dialog again" in the emergency 911 dialog box to
NOTE
prevent this dialog from appearing when you start the application.
E911 Warning
Do not dial emergency hotline numbers from the IP softphone.
In the case of an emergency, dial the appropriate local emergency-service number
directly, or use the nearest local public phone to dial an emergency hotline (911, the
default setting programmed in US Inter-Tel telephone systems or 999, the default set-
ting programmed in European Inter-Tel telephone systems).
The IP softphone communicates through a central telephone system that routes all
emergency calls directly to a number that is local to the central system. If the IP soft-
phone is not at the same address as the central system, then emergency service will
not be routed to the proper location.
Therefore, if the IP softphone does not stay within the premises of the central system,
you must configure the IP softphone's programmable keys to dial the local police or
fire departments directly, and you must clearly label the key icons. If the IP softphone
is mobile, meaning it is used in multiple locations, you must know the direct emer-
gency-contact numbers for each location and program them accordingly as program-
mable buttons.
In the case of an emergency, you are responsible for determining the nature of the
emergency and dialing the appropriate emergency-service number directly. You must
provide the emergency personnel your location and telephone number because the
emergency service may not receive accurate identification information automatically.
14
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Inter-Tel
Model 8602 User Guide
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