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Callstel Manuals & User Guides

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User Manuals, Instructions and Guides for Callstel products.

Callstel manuals

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Callstel TD-120.app Connected Thermal Printer User Manual

TD-120.app • August 26, 2025
Comprehensive user manual for the Callstel TD-120.app connected thermal printer. Learn how to set up, operate, and maintain your portable mini printer for smartphones and tablets. Includes details…

Callstel Hands-Free System: User Manual

OON1988 • July 13, 2025
Comprehensive user manual for the Callstel Bluetooth 5 hands-free system (Model OON1988), compatible with Siri and Google Assistant. Includes setup, operation, maintenance, troubleshooting, and specifications for safe in-car…