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AT&T SynJ SB67138 4-Line Corded/Cordless Phone System

AT&T SynJ SB67138 4-Line Corded/Cordless Phone System

4.4(11 ratings)

Best price now

$466.39at StaplesObserved at 10:34 PM

23% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Our take on the AT&T SynJ SB67138 4-Line Corded/Cordless Phone System

The AT&T SynJ SB67138 is a four-line analog phone system that combines a corded base with DECT 6.0 cordless handsets, aimed at small offices and home businesses. It has a large backlit LCD, a blue backlit keypad, an answering machine with memo recording, and a 2.5mm headset jack. It does not use Wi-Fi, so it won't interfere with wireless routers. Its best new price is $466.39 at Staples as of November 5, 2026, with six stores listing it new.

Best forSmall offices needing four phone linesHome businesses with multiple extensionsReception desks that want a corded base plus cordless handsetsBuyers who want a landline system that won't touch their Wi-Fi
Pros
  • Four-line support covers a small office without a PBX
  • Corded base plus DECT 6.0 cordless handset gives flexibility
  • Large lighted monochrome LCD is easy to read
  • Blue backlit keypad helps in dim rooms
  • Answering machine with memo recording built in
  • DECT 6.0 avoids Wi-Fi interference
Cons
  • No Bluetooth, USB or cellular connectivity
  • Monochrome LCD only, no color
  • Analog lines only, no VoIP or PoE
  • Heavy at about 2.5 lb and desk-mount only
  • High price for a phone system

AT&T SynJ SB67138 4-Line Corded/Cordless Phone System prices at every store

  • StaplesNew

    In stock

    $466.39Observed at 10:34 PM
    Visit store
  • BusinessSourceProducts.comNew

    In stock

    $563.80Observed at 10:34 PM
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  • Official AT&T TelephonesNew

    In stock

    $569.95Observed at 10:34 PM
    Visit store
  • Office DepotNew

    In stock

    $605.99Observed at 10:34 PM
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  • Envision XpressNew

    In stock

    $630.99Observed at 10:34 PM
    Visit store
  • eBayNew

    In stock

    $832.35Observed at 10:34 PM
    Visit store

Also available at

  • eBayCheck price at eBay
  • BlueDogInkCheck price at BlueDogInk
  • CDWCheck price at CDW
  • OfficeSupplyCheck price at OfficeSupply
  • OnTimeSupplies.comCheck price at OnTimeSupplies.com
  • Toner QuestCheck price at Toner Quest
  • W.B. MasonCheck price at W.B. Mason
  • ZoroCheck price at Zoro

AT&T SynJ SB67138 4-Line Corded/Cordless Phone System price history

Lowest price we've seen: $466.39 on Nov 6 at Staples. Tracked across 13 stores since Nov 6.

What reviewers say

  • 4.4 / 511 ratings

Ratings are limited, 4.4 out of 5 from 11 ratings, and lean positive. Owners value the multi-line setup and cordless handset, but some find the system expensive and the feature set dated.

What people mention
  • Multi-line usePraisedOwners say four lines cover a small office well.
  • PriceCriticisedSome buyers feel it costs too much for a landline phone system.
  • ConnectivityCriticisedReviewers note the lack of Bluetooth, USB and VoIP support.
  • DisplayPraisedThe large lighted LCD and backlit keypad are called easy to read.
  • BuildMixedThe desk unit is solid but heavy and bulky.

Specifications

Power Over Ethernet
No
Answering Machine Recording
Memo recording
Network Type
Analog
Ports
2.5mm headset jack
Wired Connectivity
Analog
Connectivity
Cordless, Wireless (DECT 6.0)
DECT
Yes (DECT 6.0)

Questions and answers

Does the SB67138 support four lines at once?
Yes. It is a four-line analog system, so it can handle four separate phone lines with the corded base and cordless handset.
Can I add more cordless handsets?
The system uses DECT 6.0 cordless handsets. Check the AT&T SynJ accessory handset model for your unit before buying extras.
Does it work with VoIP or only landlines?
It is an analog system, so it connects to standard analog phone lines, not VoIP services directly.
Will it interfere with my Wi-Fi?
No. It uses DECT 6.0, which operates on a different band and does not interfere with wireless routers.
Is a headset supported?
Yes. There is a 2.5mm headset jack, and both wired and cordless headsets can be used.
Is $466.39 a good price?
That is the best new price among six stores as of November 5, 2026. Compare against the recent range before buying, since this is a high price for a phone system.
Where is the AT&T SynJ SB67138 4-Line Corded/Cordless Phone System cheapest?
At Staples, for $466.39, 23% under what the other stores charge, as of our latest check.
What do buyers say about the AT&T SynJ SB67138 4-Line Corded/Cordless Phone System?
Rated 4.4 out of 5 from 11 ratings.
Where can I buy the AT&T SynJ SB67138 4-Line Corded/Cordless Phone System?
13 stores we checked sell it, including Staples, BusinessSourceProducts.com, Official AT&T Telephones, Office Depot, Envision Xpress.

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Wi-Fi
No (does not interfere with wireless routers)
Bluetooth
No
Headset Connectivity
Wired, Cordless
USB Port
No
Cellular Connectivity
No
Display
Yes (Large, lighted display)
Handset
Cordless handset, Yes (Cordless handset)
Handset Type
Cordless, Corded
Keypad
Blue backlit keypad, Yes
Dimensions
9.3" (depth)
Display Type
LCD display - monochrome
Keypad Type
Standard
Mount Type
Desk mount
Mounting Options
Desk mount
Weight
2.50 lb (approximate)
Display Size
Large
Display Technology
LCD display - monochrome