Business Phone Systems

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Business Grade
Superior All Digital H.D. Audio
Scalable for all types of businesses!
YST-GSM
The Yeastar GSM module card allows you to insert a GSM / SIM card to use with the Yeastar PBX phone systems as a primary or back-up calling fail-over solution. It provides GSM cellular phone service to the main PBX system.
$359.99
In stock
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GDS3702
The Grandstream GDS3702 is an IP Door entry Audio Intercom with single call push button and indoor / outdoor use for buildings, warehouses, offices and other building access facilities.
2-way Audio Intercom HD Video Intercom Indoor Outdoor RatedIndoor Outdoor Rated - Weatherproof Keypad - Keyed Entry Motion Detection
$259.99
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YST-LTE
The Yeastar 4G LTE Module provides 4G cellular data on SIM card, making the 4G LTE become the primary Internet connection for S-Series VoIP PBX. Supporting 3G/4G network standard, the 4G capable S-Series VoIP PBX can register SIP trunks.
$659.99
In stock
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YST-EX08
Yeastar EX08 is an expansion board for support with up to eight (8x) external RJ-11 ports (FXO / FXS). It allows for up to four internal card slots when expanding compatible Yeastar PBX Phone Systems. The EX08 works with the Yeastar S100 or S300 IP-PBX.
$239.99
In stock
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YST-O2-FXO2
The Yeastar O2 Module (2 FXO) allows for 2 additional FXO ports (Analog Telephone Lines) to terminate two analog PSTN (POTS) lines. The O2 Module 2 FXO is compatible with Yeastar S-Series PBX phone systems.
$159.99
In stock
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30W-SIP
The 30 Watt 30W-SIP is IP / SIP-ENABLED Telephone Paging Amplifier designed for businesses requiring amplified overhead, warehouse and office paging systems to integrate with their telephone / PBX Phone System.
Uses - EnvironmentIndoor Installation only Power Rating (RMS)30 watt RMS Mounting StateWall mountable and Rackmountable (plates-sold separately)
$999.99
In stock
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YST-EX30
The Yeastar EX30 is an expansion board which provides the Yeastar S100 or S300 with a single line E1 / T1 - PRI port for telephone trunk line services.
$1,049.99
In stock
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GDS3705
The Grandstream GDS3705 is designed for users requiring a strong two-way audio-only facility access and security monitoring solution that can be deployed for offices, businesses, warehouses and other entry point facilitation.
2-way Audio Intercom HD Video Intercom Indoor Outdoor RatedIndoor Outdoor Rated - Weatherproof Keypad - Keyed Entry Motion Detection
$389.99
In stock
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GDS3712
The Grandstream GDS3712 is an IP Door intercom with HD Video, for business applications to provide physical building or offices with video equipped two way audio and one way video intercom.
2-way Audio Intercom HD Video Intercom Indoor Outdoor RatedIndoor Outdoor Rated - Weatherproof Keypad - Keyed Entry Motion Detection
$459.99
In stock
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YST-S2-FXS2
The Yeastar S2 Module (2 FXS) allows for 2 additional FXS ports (Analog Extension Phones) to terminate two analog desk or older analog phones. The S2 Module 2 FXS is compatible with Yeastar S-Series PBX phone systems.
$159.99
In stock
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YST-S0-FXOFXS
The Yeastar S0 - 1 FXO LINE and 1 FXS EXTENSION Port allows for fallback or fail over function from analog extension to POTS line as a back-up telephone solution. The S0 FXO+FXS Module is compatible with Yeastar S-Series PBX phone systems.
$169.99
In stock
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