The following table describes what you can do with the Voice over IP options — VoIP only Mode and Allow incoming PSTN calls:
VoIP Only Mode Allow incoming Use this setting if you:
PSTN calls
Want to use the default X5v setting. You will be able to make and receive VoIP and PSTN calls on the phone connected to the X5v. You will have to dial # to make a VoIP call.
Want to make and receive VoIP calls as well as receive PSTN calls on the phone plugged into the X5v. You will
√√ not have to dial # to make a VoIP call. Note: If you use both settings, you must have PSTN on your DSL line, otherwise you will not be able to make VoIP calls.
Want to make and receive only VoIP
√calls on the phone plugged into the X5v. You will not have to dial # to make a VoIP call.
Have unbundled DSL (DSL service without PSTN). You will not have to dial
√# to make a VoIP call. Note: Be sure not to check Allow incoming PSTN calls if you have unbundled DSL.
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