Description
The Grandstream HT802 is a 2‑port analog telephone adapter (ATA) that allows you to connect traditional analog phones, fax machines, or POS devices to a SIP‑based VoIP network.
It features 2 FXS ports for analog endpoints and supports standards‑based SIP protocol for reliable voice communications. The HT802 enables businesses and homes to continue using existing analog equipment while benefiting from modern VoIP features like call transfer, voicemail, auto answer, caller ID, and more.
Easy to deploy and compatible with most SIP networks, this adapter is ideal for small offices, home offices, and legacy telephony integrations.
Grandstream HT802 Analog Telephone Adapter
The HT802 is a compact 2-port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution.

- Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Supports 3-way voice conferencing
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning










