Grandstream HandyTone 502 - HT502

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List Price: $79.00

  • Manufacturer: Grandstream
  • Model: HT502
  • UPC: 6947273700067
  • Warranty: 1 year
  • Availability: available to ship same business day
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Grandstream HandyTone 502 - HT502


Grandstream HT502 - Features

  • Universal Plug-in-Play (UPnP)
  • 2 FXS ports (RJ11) w/up to 2 SIP account profiles 
  • Dual10/100 Mpbs ports (RJ45) w/integrated router 
  • Advanced features: 
  • caller ID, call waiting, 3-way conference, blind or attended transfer
  • call forward, do not disturb, voicemail, MLS voice prompts
  • T.38 fax, flexible dial plan, direct IP calling
  • Supports Voice Codecs: 
  • G.711(a/u-law), G.723.1, G.729A/B, G.729E 
  • G.726-40/32/24/16 and iLBC
  • T.38 Fax 
  • HTTP/HTTPS(pending)/Telnet/TFTP Provisioning 
  • SIP over TCP/TLS
  • IP connectivity for any phone and fax 
  • Web management for easy configuration and installation 
  • Offers traditional and advanced telephony features 
  • Portable and compact for use at home or on the road. AC power supply included

Grandstream HT502 - Overview

The HT502 is SIP 2.0 standard compliant 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. It supports Universal Plug-in-Play (UPnP), up to 2 SIP account profiles, and traditional and advanced telephony features.

The HT502 provides an enhanced level of security and provides automated provisioning using symmetric and asymmetric voice codec/RTP in any call sessions, and supports a broad range of popular voice codecs.

HandyTone Series Comparison Table

Features HT-702/704 HT-701 HT-502 HT-503
Ethernet Ports 1 RJ45 (LAN) 1 RJ45 (LAN) 2 RJ45 (LAN/WAN) 2 RJ45 (LAN/WAN)
NAT / Router No No Yes Yes
DHCP Client Client Client / Server Client / Server
FXS Port 2 (HT702)
4 (HT704)
1 2 1
FXO Port 0 0 0 2
PSTN Pass-through Port No No No Yes
Remote Configuration TFTP/HTTP/HTTPS,
Encrypted XML and TR-069
TFTP/HTTP/HTTPS,
Encrypted XML and TR-069
TFTP/HTTP TFTP/HTTP/HTTPS, Telnet
Codec G.711, iLBC, G.723, G.729 A/B, G.726-32, T.38(fax)

Grandstream HandyTone 502 - HT502 Specifications

Feature Specifications

Ethernet Ports 2 RJ45 (LAN/WAN)
NAT / Router Yes
DHCP Client/Server
FXS Port 2
FXO Port No
PSTN Pass-through Port No
Voice Mail Indicator Yes
Voice Codec G.711(a/?law), iLBC, G.723, G.729A/B/E, G.726, T.38(fax)
Remote Configuration TFTP/HTTP

Technical Specifications

Telephone Interfaces 2 FXS ports, 2 SIP accounts
Network Interfaces Two (2) 10M/100 Mbps, RJ-45
LED Indicators Power, WAN, LAN, PHONE1 and PHONE2
Reset Button Factory reset button
Voice over Packet Capabilities Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), Dynamic Jitter Buffer, Modem detection & auto-switch to G.711, Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol), G.168 compliant Echo Cancellation, LEC (line echo cancellation) with NLP
Voice Compression G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.723.1A, G.726(ADPCM), G.729A/B/E, iLBC G.726 provides proprietary VAD, CNG, and signal power estimation Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic gain control), Status output, Decoder controlling via voice packet header
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through (pending), Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay
DHCP Server / Client Yes, can operate in NAT Router or Switched Mode
QoS Diffserve, TOS, 802.1 P/Q VLAN tagging
IP Transport RTP/RTCP
IP Signalling SIP (RFC 3261)
DTMF Method Flexible DTMF transmission method, user interface of In-audio, RFC2833, and/or SIP Info
Provisioning TFTP, HTTP, HTTPS (pending)
Management Syslog support, HTTPS and telnet (pending), remote management using Web browser, Auto/manual provisioning system Support Layer 2 (802.1Q, VLAN, 802.1p), Layer 3 QoS (Tos, DiffSery, MPLS)
Power Output: 12VDC, 0.5A;       Input: 100–240 VAC, 50-60 Hz
Environmental Operational: 32°–104°F or 0°–40°C   
Storage: 10°–130°F
Humidity: 10–90% Non-condensing
Dimensions ( H x W x D) 25mm x 115mm x 75mm (when laying flat); 
115mm x 25mm x 75mm (standing up)
Short and long haul REN3: Up to150 ft on  24 AWG line
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Polarity Reversal / Wink Yes
EMC EN55022/EN55024 and FCC part15 Class B
Safety UL

Grandstream HandyTone 502 - HT502 Resources

Datasheets & Brochures:
Grandstream HT502 Product Brochure (PDF)
Grandstream HT502 User Manual (PDF)
Grandstream HandyTone Quick Installation Guide (PDF)