Voice Path
Voice Path
Telephone Handset Audio Tap
Product Overview
Connect Voice Path between the handset and base of your telephone for quick access to audio in
and out of the telephone. The Voice Path connects directly to your PC sound card’s mic input and
line output mini jacks.
Simply unplug the handset coily cord form the base of your telephone and plug it directly into the
Voice Path. Then, using the supplied cable, connect the Voice Path back to the telephone.
Now connect the mini plugs directly to your PC. The gray pushbutton determines whether you will be
recording the conversation to your PC or sending audio from your PC down the telephone line. The
output to PC plug continuously sends a nice mix of the audio from both sides of the conversation, as
well as the tones being pressed on the keypad, no matter which position the gray pushbutton is in.
The Voice Path has a three-position switch which accommodates electret, dynamic and carbon
telephone handset microphone types. The Voice Path will emulate the type of microphone that is in
the handset and allow you to send audio into many different types of analog and digital PBX sets, as
well as ISDN telephones.
The Voice Path does not work with cellular telephones or any telephone with a keypad in the
handset.
JK Audio
Telephone Interface Products
815-786-2929 1-800-JK-Audio www.jkaudio.com
Voice Path
Voice Path
Telephone Handset Audio Tap
Simply plug Voice Path between the handset and base of your
telephone to get audio in and out of your PC
! Works with analog, digital, PBX, and ISDN telephones
! 3.5 mm mini plug input and output connects directly to PC sound card
! Switch selects between carbon, dynamic or electret handset types
! No battery or AC adapter needed
JK Audio
Telephone Interface Products
815-786-2929 1-800-JK-Audio www.jkaudio.com
Voice Path
Voice Path
Telephone Handset Audio Tap
Isolation
Transformer
3.5mm
mono plug
output to PC
Output
Level
JK Audio, Inc.
Voice Path
Block Diagram
2/15//01 - WR
Handset Jack
from Handset
3.5mm
stereo plug
input from PC
Handset mic Type Switch
Isolation Transformer
Signal Limiter
Handset Jack
to Phone
Specifications
Input: 3.5 mm stereo plug 20 kohms, 250 mV RMS (+12 dBm maximum)
Output: 3.5 mm mono plug 2800 ohms, 100 mV RMS (-16 dBm nominal)
Handset Interface biased for electret, dynamic, and carbon handsets.
Size: 3” x 1” x 2” (7.6 x 2.5 x 5.1 cm)
Weight: 9 ounces
JK Audio
Telephone Interface Products
815-786-2929 1-800-JK-Audio www.jkaudio.com
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