Grandstream HT502 VoIP Adapter
The Grandstream HT502 is a hybrid Analog Telephone Adapter (ATA)and VoIP Router in one. It features 2 FXS Analog phone ports so it can accommodate up to 2 SIP Account profiles, as well as a 10/100 WAN and LAN port which enables a shared broadband connection between multiple ethernet devices.
Grandstream HT502 VoIP Adapter Overview
The Grandstream HT502 is based on the SIP 2.0 standard and features 2 FXS ports, dual 10M/100Mbps Ethernet ports with integrated high performance NAT router, port status and message waiting LED, and a base stand for vertical positioning. This versatile Grandstream HandyTone model supports UPnP, SIP over TCP/TLS, up to 2 SIP account profiles, caller ID, call waiting, 3-way conference, blind or attended transfer, call forward, do not disturb, voicemail, T.38 fax, flexible dial plan, direct IP calling, multi-language voice prompts, secure and automated provisioning using HTTP/HTTPS/Telnet/TFTP, symmetric and asymmetric voice codec/RTP in any call sessions, and various popular voice codecs including G.711(a/u-law), G.723.1, G.729A/B, G.729E, G.728, G.726-40/32/24/16 and iLBC.
Grandstream HandyTone HT502 Features and Functions
- Supports UPnP, SIP over TCP/TLS
- Up to 2 SIP Account Profiles
- Caller ID
- Call Waiting
- 3-Way Conference
- Blind or Attended Transfer
- Call Forward
- Do Not Disturb
- Voicemail
- T.38 Fax
- Flexible Dial Plan
- Direct IP Calling
- Multi-Language Voice Prompts
- Secure and Automated Provisioning using HTTP/HTTPS/Telnet/TFTP
- All-in-1 VoIP IAD
- Built-in Router, NAT and Gateway
- 2 FXS Port
- 10/100Mbps Ethernet
- Compact, Lightweight and Highly Affordable
Didn't find the VoIP Adapter you were looking for?
Check out these other Grandstream VoIP adapters:
Grandstream HT502 Downloads
![]() |
Grandstream HT Series Quick Install Guide (Size: 130 KB) |
![]() |
Grandstream HT Series Quick Start Guide (Size: 279.5 KB) |
![]() |
Grandstream HT-502 Datasheet (Size: 1.1 MB) |
![]() |
Grandstream HT-502 User Guide (Size: 294 KB) |
- Manufacturer
- Grandstream
- # of FXO Ports
- Zero
- # of FXS Ports
- 2
- # of RJ45 Ports
- 2
- AC Power Adapter Included
- Yes
- Auto Provisioning
- Yes
- Built-In Router
- Yes
- Built-In WiFi
- No
- DHCP Capabilities
- Yes
- Fax Codec Support
- T.38
- FXO Gateway Support
- No
- Lifeline Support
- No
- MWI Support
- Yes
- Protocol Support
- SIP
- Provisioning Method
- HTTP, TFTP, Web GUI, Voice IVR
- PSTN Pass-thru
- No
- Voice Codec Support
- G.711 a/u law, G.729 a/b, G.723, G.726
Why Pay CA$34.80 for the Grandstream HT502 ?
2 FXS Ports
Dual10/100 Mpbs ports (RJ45) w/integrated router
Universal Plug and Play (UPnP)
















