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The Grandstream HT704 is a 4 port analog telephone adapter (ATA) which allows you to use up to four analog phones or fax devices on an IP or VoIP network.
The Grandstream HT704 is a next generation, powerful 4-port VoIP adapter for residential users and small businesses. The HT704 with a compact size, superb voice quality, rich functionalities, strong security protection, excellent manageability and auto provisioning, as well as unrivaled affordability allows service providers to offer high quality IP voice service at extremely competitive price. The Grandstream HT704 is an ideal 4-port ATAs for large scale commercial IP voice service deployment.
Check out these other Grandstream VoIP adapters: