menuUser Menu
Grandstream HandyTone 502 - HT502 DISCO

Grandstream HandyTone 502 - HT502 DISCO

Competitor price match?

List Price: $79.00

  • Manufacturer: Grandstream
  • Model: HT502
  • UPC: 6947273700067
  • Warranty: 1 year
  • Availability: Discontinued
Additional Images

Grandstream HandyTone 502 - HT502 DISCO 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 DISCO Resources

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

Grandstream Logo
View all Grandstream products

Stay Up-to-date

Sign up for savings, news, & updates