HT502 User Manual introduces the features and characteristics of the product, including product overview, software features overview, hardware specifications, basic operations, configuration guide and other contents
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.
| Firmware Version | 1.0.6.8 |
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