Grandstream HT488
Grandstream has discontinued the HT488. It still works on smplVoice, The Tech Team™ still supports it, and the recommended replacement is below.
Overview
About the Grandstream HT488
The HT488 is an analog telephone adapter (ATA) that features both an FXS and FXO port for internet data, voice and PSTN networks.
Replacement
Replacing a Grandstream HT488
HT801
Easy-to-Use 1-Port ATA
Support & downloadsHT802
Easy-to-Use 2-Port ATA
Support & downloadsHT812
Powerful 2-Port ATA with Gigabit NAT Router
Support & downloadsHT814
Powerful 4 Port FXS Gateway with Gigabit NAT Router
Support & downloadsFirmware
HT488 firmware
| Version | Applies to | Files |
|---|---|---|
| 1.0.3.96 | HT386 |
Related
More Grandstream HT Series models
HT286
Analog telephone adapters (ATAs)
Support & downloadsHT386
Analog telephone adapters (ATAs)
Support & downloadsHT486
Analog telephone adapters (ATAs)
Support & downloadsHT496
Analog telephone adapters (ATAs)
Support & downloadsNeed help with your HT488?
Tell us a little about your business and a voice specialist will reach out to talk it through.
- A plan built around how your team actually works
- Help moving your existing phone numbers
- Setup and ongoing support from The Tech Team™
Grandstream and Grandstream product names are trademarks of Grandstream Networks, Inc. Product information, images and documents are published by Grandstream (source) and provided here for reference by smplVoice. Firmware and documents are Grandstream’s original, unmodified files.

