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AT&T SynJ has been discontinued — replacement parts and support are limited

The AT&T SynJ cordless phone system (SB67138, SB67108, SB67148 series) has been discontinued by the manufacturer. New units are no longer being produced. If your SynJ system is failing, parts are difficult to source and support options are narrowing. Phonewire recommends migrating to a supported modern platform.

AT&T SynJ — Discontinued System

Time to Upgrade from AT&T SynJ? Here’s Your Clearest Path Forward.

The AT&T SynJ was a genuinely good cordless small business phone system — easy to install, no per-user licensing, and reliable analog connectivity. But with the product discontinued and replacement parts increasingly difficult to source, the question isn’t whether to migrate — it’s which modern system preserves what you liked about SynJ while giving you the features you’ve been missing.

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Still Running SynJ?

If your SynJ system is currently working, there’s no emergency — but it’s worth planning your migration before a failure forces a rushed decision. A proactive migration is always less expensive than an emergency replacement.

Plan your migration now →

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SynJ System Down?

If your phones have failed and you need a fast replacement, Phonewire can deploy a temporary solution while your permanent system is configured — and has technicians available nationwide.

Call (800) 857-1517 immediately →

What SynJ Users Valued — And What Replaces It

No per-user licensing. SynJ had no ongoing per-user costs — you just bought phones and expanded as needed. Phonewire’s hybrid on-premises system uses a flat annual license ($699/year) regardless of user count up to 20. Same model, modern platform.

Cordless mobility. SynJ was prized for its DECT cordless capability. The Snom by VTech and Panasonic systems Phonewire installs include strong DECT cordless options — including ruggedized models for demanding environments — with broader coverage and better battery life than SynJ.

Works without internet. SynJ connected to traditional phone lines — no internet required. Phonewire’s hybrid solution can include built-in internet failover: if your internet goes down, calls continue working automatically. For analog-only environments, Phonewire can also configure hybrid analog/IP deployments.

Phonewire’s Recommended SynJ Replacement

Top Recommendation

Snom by VTech

The Snom M-series DECT cordless phones are the natural successor to SynJ — same cordless-first philosophy, same easy expansion model, modern HD audio and SIP compatibility, and an industry-leading 3-year warranty.

M55, M56, M58 DECT handsets and desk phones
3-year standard warranty (5-year optional)
Wi-Fi, DECT, or Ethernet installation
Works with hybrid on-premises or cloud-hosted

See Snom by VTech phones →

Also Consider

Panasonic DECT

Panasonic’s DECT cordless business phone lineup is one of the strongest in the market — with familiar handset interfaces that feel natural to SynJ users, and ruggedized options for demanding environments.

Standard, compact, and rugged cordless models
Bluetooth headset support
Familiar interface — fast staff adoption
Hybrid analog/IP capability

See Panasonic phones →

What Our Clients Say

We chose Phonewire to revamp our phone system. The project was installed on time and to budget. Matt went above and beyond, and personally provided training.

Craig Eversmann MSSC, LLC ★★★★★

Phonewire is a big asset for any company looking for professional advice. Matt is efficient, reliable, and very detail-oriented. I am extremely satisfied.

Eduardo J. Vera Catholic Charities Foundation of St. Louis ★★★★★

Plan Your SynJ Upgrade — Free Assessment

Tell us about your current SynJ setup — how many handsets, how many locations, and what’s driving the change — and we’ll prepare a specific replacement recommendation with pricing.

📞 SynJ system down? Call now — answered in under 1 minute.

(800) 857-1517