Enhance your telecommunication experience with this versatile Telephone Line Tester, designed for efficient management and troubleshooting of telephone lines. Crafted from durable ABS material, model S-1 offers comprehensive functions including incoming and outgoing call checks, caller ID recognition, and line detection to ensure reliable communication performance. Key Features: · Incoming and Outgoing Call Function: Supports checking up to 50 incoming call groups and 16 outgoing call groups, with detailed call time recording for accurate monitoring. · Selectable Music Bells: Choose from 16 different telecom music bells, with software-configurable P and T settings, eliminating the need for manual switching. · Dual System Caller ID: Equipped with FSK/DTMF dual system caller ID, easily switchable by pressing **#, providing clear and immediate caller identification with responsive keypad operation. · Multifunctional Operation: Enables checking of incoming and outgoing call numbers, callback functionality, and deletion of records, streamlining telephone line management. · Line Detection Capability: Includes a detection feature to identify and diagnose potential issues with telephone lines, ensuring timely maintenance and troubleshooting. Specifications: · Material: ABS · Model: S-1 · Functions: Caller ID, FSK/DTMF Dual System, Callback, Incoming and Outgoing Call Monitoring, Line Detection Package Includes: · 1 x Telephone Line Tester This Telephone Line Tester is an essential tool for professionals and users seeking accurate call monitoring and line diagnostics. Its multifunctional design and robust construction make it a reliable choice for maintaining efficient and trouble-free telephone communication.