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Total 52 products for pstn pbx Manufacture & Suppliers

4 Port FXS/FXO analog Asterisk PCI-E card

Products: SinoV-400E is a 4 port FXS/FXO analog Asterisk PCI-E card which is mainly applied to PSTN environment. It supports all the functions of Asterisk PBX systems needed. Main Features: * High security: It ...

Shenzhen Sino Voip Co,Ltd
Guangdong

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Original Factory sale 4 Port FXS/FXO analog Asterisk PCI-E card SinoV-400E

... all the functions of Asterisk PBX systems needed. Main Features: * High security: It adopt tertiary thunder preventing technology, can prevent the thunder and lightning from striking effectively. * No ......

Shenzhen Sino Voip Co,Ltd
Guangdong

Active Member

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ZYCOO Analog Module Loop Closure Detection With 2FXO Ports 2FXS Ports

... 2FXO ports and 2FXS ports and can be combined with BRI, PRI, and GSM modules. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. ...

Zycoo Co., Ltd.
China

Active Member

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Foreign Exchange Office Fxo Module 88.5 x 132 mm Loop current range 13-110mA

...receives ringing voltage and battery from FXS devices. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. The Analog Trunk FXO pro...

Zycoo Co., Ltd.
China

Active Member

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2FXOS VoIP Telephony Fxs Module Foreign Exchange Office Foreign Exchange Station

... 2FXO ports and 2FXS ports and can be combined with BRI, PRI, and GSM modules. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. ...

Zycoo Co., Ltd.
China

Active Member

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ZYCOO Analog Module Loop Closure Detection With 2FXO Ports 2FXS Ports

... 2FXO ports and 2FXS ports and can be combined with BRI, PRI, and GSM modules. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. ...

Zycoo Co., Ltd.
China

Verified Supplier

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Foreign Exchange Office Fxo Module 88.5 x 132 mm Loop current range 13-110mA

...receives ringing voltage and battery from FXS devices. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. The Analog Trunk FXO pro...

Zycoo Co., Ltd.
China

Verified Supplier

Add to cart
2FXOS VoIP Telephony Fxs Module Foreign Exchange Office Foreign Exchange Station

... 2FXO ports and 2FXS ports and can be combined with BRI, PRI, and GSM modules. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco. ...

Zycoo Co., Ltd.
China

Verified Supplier

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Pstn Pbx

Total 52 products for pstn pbx Manufacture & Suppliers