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Yeastar S20

Yeastar S20 Entry-level VoIP PBX System - User Count: 20 - Max Concurrent Calls: 10 - Max FXS Ports: 4 - Max FXO/BRI Ports: 4 - Max GSM/3G/4G Ports: 1 - Max 4G (Data) Ports: 1 - VoIP Trunks: 20 - Ethernet Interface: 2x 10/100Mbps - Voicemail: 5000 min (Expandable) - External Storage Support: TF Card…

SKU#: AC33019
Model#:S20 VoIP PBX
$695.00
Yeastar UMTS Module for S-Series VoIP PBX - 1x GSM/WCDMA Channel - Compatible Models: S412, S20, S50, S100, S300 PBX Systems - UMTS Module - 12 Months Limited Warranty

SKU#: AC33028
Model#:UMTS Module
$398.00
Yeastar B2 2-Port BRI Module for S-Series VoIP PBX - Ports: 2x NT/TE BRI Ports - Compatible Models: S412, S20, S50, S100, S300 PBX Systems - B2 Module - 12 Months Limited Warranty

SKU#: AC33027
Model#:B2 Module
$399.00
Yeastar O2 2-Port FXO Module for S-Series VoIP PBX - Ports: 2x RJ11 FXO Ports - Ring Frequency: 15 ~ 50Hz - Ring Voltage Detection: 30+ VRMS (Depending on FXO mode) - Termination: PSTN Lines - Echo Cancellation Support - Compatible Models: S412, S20, S50, S100, S300 PBX Systems - O2 Module - 12…

SKU#: AC33025
Model#:O2 Module
$199.00
Yeastar S2 2-Port FXS Module for S-Series VoIP PBX - Ports: 2x RJ11 FXS Ports - Ring Frequency: 25Hz - Ring Load: 840 Ohm - Loop Impedance 2000 Ohm - Loop Current: 20 mA - Off-hook Voltage: 11V - Ring Voltage: 85V - On-hook Voltage (tip/ring) 48V - Off-hook Current 10 mA - Terminating Impedance…

SKU#: AC33024
Model#:S2 Module
$199.00
Yeastar 4G LTE Module Module for S-Series VoIP PBX - Network Type: UMTS (WCDMA) 3G/LTE - Frequencies: B1/B2/B3/B4/B5/B7/B8/B28 (LTE FDD), B40 (LTE TDD), B1/B2/B5/B8 (WCDMA) B2/B3/B5/B8 (GSM) - Voice Call: 3G/4G - SIM Card Support: 3G/4G Standard SIM Card - Data: 3G/4G (Cannot be used as a 4G Router)…

SKU#: AC33029
Model#:4G LTE Module-AU
$595.00
Yeastar SO 1-Port FXS & 1-Port FXO Module for S-Series VoIP PBX - Ports: 1x FXO RJ11 Port + 1x FXS RJ11 FXO Port - FXO Ring Frequency Detection: 15 ~ 50Hz - FXS Ring Frequency: 25Hz - Termination: PSNT Lines and Analog Telephone/Fax Machine - Terminating Impedance: 600 Ohm - Ring Voltage: 85V -…

SKU#: AC33026
Model#:SO Module
$229.00
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