Chapter 2: Sample System
Multi-Tech Systems, Inc. CF220 CallFinder User Guide 15
Step 3 Technical: Enter operating parameters of CallFinder channel (FXO)
Each of the CallFinder’s DID-channel modems has 4 user-specified parameters. You set them in the
CallFinder software.
Power
48Vdc Channel 2 Channel 1 Power
5Vdc
Ethernet
FXS/FXO DID FXS/FXO DID 10/100
Update
CF220
(Rear)
of CallFinder
DID-Channel Modem
Technical Parameters
Tel co
DID
Outlet
Channel Configuration: Channel 1
Max DID Digits 4 DID Start wink immediate delay dial
Extension Port FXS FXO Auto Attendant Delay 0
Receive Gain 100 Transmit Gain 100
Polarity A B
Extension Mic Gain 8Extension Speaker Gain 30
PBX
Statio n
Port
Technical Parameters Related to CallFinder’s Extension Port Line
Parameter Value Comments
Extension Port FXO Use FXO whenever CallFinder channel connects to
PBX station port.
Auto Attendant Delay 0
(in seconds)
Describes how long the CallFinder waits before
dialing. If set to 0, CallFinder calls as soon as PBX
dial tone is present. If no dial tone is present, the call
cannot be completed.
Extension Mic Gain 8 This describes the amplification of the sound input at
the local phone user’s mouthpiece microphone.
The default value is typically appropriate.
This is a very sensitive parameter and mis-adjustment
can render the channel inoperable.
Adjust carefully and only if needed.
Extension Speaker Gain 30 This describes the amplification of the sound output at
the local phone user’s earpiece speaker.
The default value is typically appropriate.
This is a very sensitive parameter and mis-adjustment
can render the channel inoperable.
Adjust carefully and only if needed.