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The Stick - Automatic Call Processor
Gateway Fax Systems: 1-Line Dual-Mode with 910 Option
Line Routing Switch 4.1 - Automatic Call Processing for phones, fax, & modems
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DER-867 - 2-Wire BLE Smart Wall Switch using LinkSwitch-TNZ with Relay Zero-Voltage Switching and Automatic Set/Reset Time Calibration | Power Integrations, Inc.
Command Communications Comswitch 5500 3-Port Phone/Fax Modem Line Sharing Device
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ComSwitch CS7500 Telephone Line Sharing System and Fax Switch
Avro Pacific Fax Friend Fax Switch aka Line Wizard or Xtraline with RJ11 connectors : Amazon.co.uk: Electronics & Photo
Canon Knowledge Base - How to check or change Manual / Auto Switch setting
The Stick Fax Line Sharing Device | Automatic Call Processor
NEW POWER SWITCH BATTERY CHARGER 240 VOLT 'PSW2412.E5' - OUT PUT - 24 VOLT, 12 AMP, AUTOMATIC CHARGING, WALL MOUNTABLE WITH DRIP CHARGE FUNCTION - GVZ Glasshouses