Grandstream GXW4248 FXS VoIP Gateway, Stock# GXW4248 NEW SSD Memory The durable NEC COIB (8)-U10

The durable NEC COIB (8)-U10 ETU Circuit Card 750448 CENTRAL OFFICE INTERFACE UNIT with CALLER ID is a Central Office Caller ID ETU detects Caller ID signals from the central office and sends them to the Main Processor

The Mediatrix 4402 VoIP Gateway is 2 Port ISDN BRI Gateway

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Grandstream GXW4248 FXS VoIP Gateway, Stock# GXW4248 NEW SSD Memory The durable NEC COIB (8)-U10Product features The Grandstream GXW4248 is a 48 FXS port VoIP gateway that can be used to connect analog devices such as phones and faxes to a VoIP network. This VOIP phone supports everal voice fax codes and a combination of 48 RJ11 FXS ports and a 50 pin Telco connector and features 48 FXS analog telephone ports, superb voice quality, rich telephony functionalities, easy provisioning , flexible dialing plans, advanced security protection, and