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Using VoIP
VoIP cannot be used until configuration has been completed. See the VoIP topic in Chapter 5
- Advanced Features for details of VoIP configuration.
Normal Operation
• Your Internet connection should be configured to keep the Internet connection active as
much as possible (Keep Alive).
• Once logged in to the SIP server, you can dial any number using the procedure specified
by your VoIP Service provider.
• You can dial any number via the PSTN (provided the PSTN line is connected) by first
dialing the PSTN Prefix specified on the PSTN screen.
Note: Do not wait for a 2
nd
dial tone for the PSTN; there is no 2
nd
dial tone.
Just dial the PSTN prefix and the desired telephone number.
• If there is no Internet connection, you can still use the phone provided the PSTN setting
Use PSTN for all calls if VoIP is unavailable is Enabled. (This setting is on the PSTN
screen.) In this case, the call will go via PSTN and you will be charged accordingly by
your telephone company.
• If there is no power, you can still use the phone provided the PSTN line is connected. In
this case, the call will go via PSTN and you will be charged accordingly by your telephone
company.
Advanced Call Features
The IAD-200 / IAD-200W supports Call Waiting and 3-Way Conference calls.
Note: The instruction below refer to the "flash hook" button. This may be labeled "Recall" on
your phone. If you phone does not have a "flash hook" button, you can instead briefly press the
button or pad used to hang up the phone.
Call Waiting
Call waiting alerts you to another incoming call when you are already having a telephone
conversation, and allows you to answer the incoming call:
• Your phone will ring.
• Press "flash hook" to answer the incoming call. The other caller will be placed on hold.
• Press "flash hook" to swap between the two calls.
If you hang up when finished speaking to one caller, your phone will ring if the other caller is
still on-line.
Note: You can disable the Call Waiting feature by dialing *70
You will hear the dial tone and can dial the required number. This ensures the call will not be
interrupted by an incoming call.
3-Way Conference Calls
This feature allows you to speak to 2 other people simultaneously. To use this feature:
• Establish the first call.
• Press "flash hook"
• Dial the 2
nd
person
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