Switchvox - How do I correct for the second dial tone when using an analog phone configured to an FXS port?
In some instances with an analog phone you will run into the following situation:
Pick the phone up off the handset to place a call
Listen for the dial tone and dial the number as you normally would
Instead of connecting, you will get a dial tone again
You then have to dial digits again and the call will go through the second time
To fix this:
In Switchvox GUI, go to Setup > Channel Groups
Modify the FXS Channel Group that the phones are a part of
Click to Show Advanced Options
Turn on Immediate Answer
Save the Channel Group (WARNING: Any modifications to any channel groups settings will require a restart to your phone system. Any current phone connections will be dropped and any agents logged in will be logged out.)
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Immediate Answer
Most likely, you should leave this option to the default of Yes. This allows the analog channel to be opened when picking up an analog phone or a fax machine.