AT&T SB35010 Syn248 Phone System Gateway
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AT&T SB35010 Syn248 Phone System Gateway

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Quick Overview

AT&T SB35010 Syn248 Phone System Gateway 

What is the AT&T SB35010 Syn248 Phone System Gateway ?

Syn248™ phone system is a feature-rich communications solution without the cost or hassle of traditional PBXs. It supports up to 24 extensions and eight lines. Designed to meet the needs of small business owners, it is simple to install, simple to use and simple to manage. True plug-and-talk technology for today's "need-it-now" culture means there are no hassles, no headaches or no heavy equipment. User friendly, intuitive desksets feature large backlit displays that are context sensitive. Its small footprint makes it 1U rack mountable.

 System Features

  • Capacity: 8 lines, 24 extensions (up to 2 gateways)
  • 100 number system phone book
  • Web-based administration
  • Auto attendant: day/night mode
  • Call forwarding: all/no answer to external number, to voicemail,
  • to extension
  • Call hold
  • Call transfer: consultative
  • Custom recording of on-hold message
  • Call log
  • Call waiting, Caller ID2
  • 3-party call conferencing
  • Deskset paging with paging zones
  • Do not disturb (DND)
  • Multiple line appearance (MLA)
  • Redial log
  • Selectable ring tones
  • System backup and restore
  • Power over Ethernet (PoE)

SB35010 Gateway features

  • Supports automatic IP address assignment
  • Ethernet port and 1 power failure connection (FXS)
  • Supports 8 lines (4 per gateway)
  • Rack-mountable
  • Onboard auto attendant
  • Supports custom on-hold message recording

SB35010 Voice Mail features

  • 30 minutes of recording time per mailbox
  • Custom greeting or default greeting
  • Message playback controls: play, delete, save, callback, fast forward/rewind
  • Visual message management
  • Login security
  • Remote access




Product Details:



Device TypeVoIP gateway
Width13.5 in
Depth7.9 in
Height1.8 in
Weight5.5 lbs


Form FactorRack-mountable
Connectivity TechnologyWired
Data Link ProtocolEthernet, Fast Ethernet
Status IndicatorsPower, PSTN
FeaturesDynamic IP address assignment , auto-uplink (auto MDI/MDI-X)

IP Telephony

Telephony Interfaces1 phone (FXS), 4 line (FXO)
IP Telephony FeaturesCall forwarding, caller ID, call waiting, call hold, call transfer, message waiting

Expansion / Connectivity

Interfaces1 x 100Base-TX - RJ-45 4 x modem - RJ-11 1 x modem - RJ-11


Cables Included1 x network cable Phone cable
Mounting KitIncluded


Power DeviceExternal power adapter

Manufacturer Warranty

Service & Support2 years warranty
Service & Support DetailsLimited warranty - 2 years

Universal Product Identifiers

Part NumberSB35010

Warranty Information:

  • Manufacturer:
AT&T SB35010 Syn248 Phone System Gateway


Downlaod SB35010 User Guide

Downlaod SB35010 Quick Start Guide

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