Key facts
- Brand
- Grandstream
- Model
- HT502
- Industry
- Computers
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-11
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Grandstream HT502 Analog Telephone Adapter User Manual
User Manual 50 pages · 1.2 MB · EN
The HT502 is a dual‑FXS analog telephone adapter that lets you connect standard analog phones to a VoIP network. It supports two independent SIP accounts, a range of voice codecs, and complies with FCC, CE, and UL safety standards.
The manual covers hardware installation, web‑based configuration, advanced settings such as NAT and DTMF methods, firmware upgrades via TFTP/HTTP/HTTPS, and how to restore factory defaults using the reset button or IVR commands.
All Grandstream HT502 documents by type
User Manual 2
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.