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Comments |
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List Price |
$249 |
$349 |
$299 |
$399 |
Varied Based on Model |
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Number of Lines |
1 |
1 |
1 |
1 |
4 |
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AC Adapter Required |
no |
optional |
yes |
optional |
optional |
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PC Connectivity |
USB 2.0 Full Speed |
USB 1.1 Full Speed |
RS232 |
USB 2.0 Full Speed |
USB 2.0 High Speed |
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Integrated SLIC (Subscriber Line Interface Circuit) |
- |
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Ring Local Telephone |
- |
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|
|
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Generate Caller ID to Local Telephone |
- |
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|
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Generate Visual Message Waiting to Local Telephone |
- |
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Number of Headset Ports |
1 |
2 |
1 |
2 |
2 |
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Professional Headset Port |
- |
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|
|
|
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3.5mm PC Heaset Port |
|
- |
- |
- |
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2.5mm Parallel Headset Port |
- |
|
- |
|
- |
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Analog Headset volume |
- |
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|
- |
- |
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Digital Headset Volume |
- |
- |
- |
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|
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Enhanced audio quality |
|
- |
- |
|
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Direct Sound support |
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|
- |
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Echo |
Supression |
- |
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Cancellation |
|
- |
- |
|
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Separate volume control for Line/Phone/Headset |
|
- |
- |
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Dedicated wave out for Music on hold |
- |
- |
- |
|
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Parellel Phone/Headset operation |
- |
- |
- |
|
|
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Distinctive DTMF Source (Line/Phone) |
|
- |
- |
|
|
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Parallel Phone Off/On Hook Detection |
- |
- |
- |
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Other Phone on same line |
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Parallel Phone DTMF Detection |
- |
- |
- |
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Other Phone on same line |
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On-Hook Line Audio Recording (Wiretapping) |
- |
- |
- |
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Custom stand alone operation |
- |
- |
- |
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AC Adapter reqired |
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Wake up Host PC |
- |
- |
- |
- |
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LED indicators |
3 |
6 |
6 |
6 |
8 |
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Dimentions |
L:4.3” (110 mm) x W:3.5” (90 mm) x D:1.4” (35 mm) |
L:4.4” (114mm) x W:5.39” (137mm) x D:1.4” (35mm) |
L:4.4” (114mm) x W:5.39” (137mm) x D:1.4” (35mm) |
L:4.4” (114mm) x W:5.39” (137mm) x D:1.4” (35mm) |
TBD |
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Weight |
4.6 oz (130 gr) |
6.7 oz (190 grams) |
6.7 oz (190 grams) |
6.7 oz (190 grams) |
TBD |
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