Total 44 products for voip pstn Manufacture & Suppliers

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

  

  4FXO (Foreign Exchange Office) Telephony Trunk Interface Module The Analog Trunk FXO is an interface that connects to a trunk line, like the one from your service provider. It receives ringing voltage and batte...

  Zycoo Co., Ltd.

  China

  Active Member

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

  

  2FXOS (Foreign Exchange Office & Foreign Exchange Station) Module 2FXOS is the mixed interface of foreign exchange office and foreign exchange station that connect to office and station. It includes 2FXO ports ...

  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

  

  4FXO (Foreign Exchange Office) Telephony Trunk Interface Module The Analog Trunk FXO is an interface that connects to a trunk line, like the one from your service provider. It receives ringing voltage and batte...

  Zycoo Co., Ltd.

  China

  Verified Supplier

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• FCC SIP IP65 Handsfree Roadside Emergency Phone Vandal Resistant

  

  ...PSTN. Specifications and characteristics Emergency Telephone, SOS phone with lock key for Roadside, Highway, Subway Standard VoIP/SIP telephone Robust housing, constructed of cold rolled steel Vandal resista...

  J&R Technology Limited

  Hongkong,China

  Verified Supplier

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