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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
Multifunction indicator light for incoming calls hold and voltage message waiting
323 only Refurbished6 Month Warranty
Grandstream GXW4248 FXS VoIP Gateway, Stock# GXW4248 NEW SSD Memory PD alive-checkProduct 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
