VOIP GATEWAYS

Grandstream HA100 - UCM6510 High Availability Controller The HA100 is ideal for any business that requires an always-on, redundant voice system by providing an automatic failover solution when paired with two UCM6510 IP PBXs. The device will...

Hybrid ATA with FXS and FXO ports HT813 The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port...

An easy-to-use 1 port ATA HT801 The HT801 is a single port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution for residential and office environments. Its ultra-compact size, voice quality,...

An easy-to-use 2 port ATA HT802 The HT802 is a 2 port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution for residential and office envir onments. Its ultra-compact size, voice quality,...

Powerful 2-port ATA with Gigabit NAT Router HT812 The HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of...

Powerful 4 port FXS Gateway with Gigabit NAT Router HT814 The HT814 is an advanced 4-port VoIP gateway with 4 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of units...

Powerful 8 port FXS Gateway with Gigabit NAT Router HT818 The HT818 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built for users looking for a strong analog-to-VoIP converter, it features Grandstream’s...