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Grandstream HT812 2 FXS Port ATA and Integrated Gigabit NAT Router (HT812) New
Grandstream HT813 1 FXS Port & 1 FXO Port ATA (HT813) New
Grandstream HT814 4 FXS Port ATA and Integrated Gigabit NAT Router (HT814) New
Grandstream HT818 8 FXS Port VoIP Gateway and Integrated Gigabit NAT Router (HT818) New