• Buy cheap 8 Channel GSM Gateway SIP VOIP GP4 1350g 3 lb 12 Vdc 2000 mA Adapter product
    ...Adapter OFS-GP8 Descreiption A VoIP GSM gateway (GP) is an IP-based device that enables inbound and outbound VoIP and GSM cellular calls. It is a great alternative to PSTN, especially in area where GSM service is available for VoIP call termination. A typical set up is shown as follow: GP is designed to work in conjunction with key phone systems and IP-PBX... more
    Brand Name:OPTFOCUS
    Model Number:OFS-GP8
    Place of Origin:Guangdong, China (Mainland)

    8 Channel GSM Gateway SIP VOIP GP4 1350g 3 lb 12 Vdc 2000 mA Adapter

  • Buy cheap Asterisk/Elastix/MEGACO H.248/SIP/MGCP  GT-IAD-16 FXS/FXO VoIP Gateway product
    Various IP PBX Asterisk / Elastix Voip Product Strong Network Adaptability Overview Global Tech Protocol Master(Promaster) GT-IAD-16S/O VoIP Gateway/IAD/ATA is kind of multi ... more
    Brand Name:Global Tech
    Model Number:GT-IAD-16S/O
    Place of Origin:China

    Asterisk/Elastix/MEGACO H.248/SIP/MGCP GT-IAD-16 FXS/FXO VoIP Gateway

  • Buy cheap White 8 Channel GSM VOIP Phone Gateway  SIP proxy mode 12 Vdc 500 mA AC DC adapter product
    VOIP GSM Gateway with Internal Attenna , 8 Channel , Support SIP / H.323 OFS-GP8I GP is designed to work in conjunction with key phone systems and IP-PBX to provide GSM communications. The extensive compatibility of the GP makes it an ideal choice to be ... more
    Brand Name:OPTFOCUS
    Model Number:OFS-GP8I
    Place of Origin:Guangdong, China (Mainland)

    White 8 Channel GSM VOIP Phone Gateway SIP proxy mode 12 Vdc 500 mA AC DC adapter

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