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SynJ 4-Line Corded/Cordless SMB

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ATT SKU: ATT-SB67138
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Price: $550.00
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4-Line SynJ Corded Cordless Phone Sys

Small and medium businesses need a phone system that’s reliable, affordable, and easy to manage. The SynJ 4-Line Corded/Cordless SMB delivers exactly that. This complete system includes a corded base station (with a built-in speakerphone and digital answering system) plus one cordless handset. You get the best of both worlds: the corded base stays put and works even during power outages, while the cordless handset lets you move freely around your office, showroom, or warehouse. Manage up to four lines, record messages, transfer calls, and expand with up to 10 additional cordless handsets. It’s a professional-grade solution without the high price tag of a PBX.

How It Works

Connect up to four separate landline or VoIP lines to the base station. The large backlit display shows the status of all four lines – which are ringing, on hold, or in use. Answer calls by pressing the line button on the base or on any cordless handset. The built-in digital answering system records messages for each line separately, with up to 30 minutes of recording time. Use the intercom to page other handsets, transfer calls between extensions, or set up three-way conference calls. The cordless handset shares all the same features as the base, giving you flexibility throughout your workspace. For businesses that need hands-free operation at desks, pair this system with high-quality corded headsets available at Find Headsets.

Compatibility & Design

This SynJ system works with standard analog landlines, cable digital voice, and most VoIP adapters that support up to four lines. The corded base features a 3-inch backlit LCD, dedicated line keys (1-4), hold, conference, intercom, and speakerphone buttons. The cordless handset has a 1.8-inch backlit display and illuminated keypad. Both use DECT 6.0 technology for clear, interference-free audio and a range of up to 300 feet indoors. The system is expandable to 11 cordless handsets total. The base includes a headset jack, and the digital answering system offers remote message access from any touch-tone phone.

Why Choose This Product

Many small businesses either use consumer-grade cordless phones (which can’t handle four lines) or expensive PBX systems (which cost thousands). The SynJ 4-Line Corded/Cordless SMB sits perfectly in between – professional features at a small business budget. You get four-line management, intercom, call transfer, and an answering machine all in one system. The corded base provides backup during power outages, and the cordless handset gives employees mobility. Adding more handsets later is simple and affordable. It’s ideal for medical offices, law firms, real estate agencies, retail stores, and home-based businesses.

Final Suggestion

If your business handles multiple incoming lines and you want to improve customer service without breaking the bank, buy the SynJ system. Place the corded base at the reception desk or main office, give cordless handsets to key staff, and expand as you grow. It’s a reliable, scalable solution that will serve you for years.

Supports up to 4 lines: Manage four separate phone lines with individual line keys and status indicators.

Corded base + cordless handset: Base works during power outages; cordless handset offers mobility.

Built-in digital answering system: 30 minutes recording time, separate mailboxes per line, remote access.

Expandable to 11 cordless handsets: Add accessory handsets for whole-office coverage.

Intercom & call transfer: Communicate between extensions or transfer calls to the right person.

DECT 6.0 technology: Clear audio, no Wi-Fi interference, up to 300 ft indoor range  

Use the compatibility notes on this page and your device specs (Bluetooth version, USB ports, softphone apps). If you are unsure, use Talk to an Expert and we will confirm the best match.
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