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Chapter 4: Getting Started
Receiving and Handling External Phone Calls
IP Telephony System
Receiving and Handling External Phone Calls
To receive external phone calls, you need to know the Direct Inward Dialing (DID) number assigned to you by your
ITSP. Usually this is the same as your user ID, but it can be a different number. Check with your ITSP to find out
what your DID number is.
Then decide which Internet phones will ring when an outside caller calls your DID number. The default is aa,
which stands for auto-attendant, an automated system that picks up external calls and plays pre-recorded voice
messages. If you want only the auto-attendant to receive a call, keep the default setting. When the
auto
-attendant receives a call, it will prompt the caller to dial the appropriate extension.
If you want specific Internet phones to ring when your DID number is called, then refer to “Chapter 6: Using the
Web-based Utility” for instructions about the Contact List setting.
Configuring the Auto-Attendant
By default, the daytime auto-attendant is enabled, so the first message it plays (“If you know your party’s
extension, you may enter it now”) is suitable for business hours. If you want a caller to hear a different greeting
during nighttime (non-business) hours, then refer to “Appendix B: Configuring the Nighttime Auto-Attendant.”
To use the Web-based Utility for additional configuration, refer to “Chapter 6: Using the Web-based
Utility.” To use the Interactive Voice Response Menu, proceed to “Chapter 5: Using the Voice Interactive
Response Menu.”
NOTE: If you decide to keep traditional phone service, which is also known as Plain Old
Telephone Service (POTS), then you will use the Linksys Analog Telephone Adapter (model
number: SPA3000). For details, refer to the Analog Telephone Adapter’s documentation.
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Physical Interfaces
Power
