Gateways and ATAs

  • VoIP Gateways
    • GXW4500 series
    • GXW4200 series
    • GXW4104/4108
  • Analog Telephone Adaptors
    • HT818
    • HT814
    • HT813
    • HT812
    • HT802
    • HT801

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Protect your analog communication investment and create a high-quality and manageable IP telephony hybrid solution. Whether integrating analog phones for a home or office application, Grandstream’s HT series of Analog Telephone Adapters allows users to easily integrate individual analog phones