Grandstream Networks

Grandstream Networks HT-502 Analog Telephone Adaptor, 1 RJ45 for LAN/WAN, 10/100 Base-TX, Full Duplex

SKU: GSHT502 MFR: HT502
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About the Grandstream Networks HT-502

The Grandstream HT502 is a powerful VoIP router. The product's inclusion of an integrated high performance NAT router and dual 10/100Mbps Ethernet WAN and LAN ports enables a shared broadband connection between multiple Ethernet devices. In addition to being SIP 2.0 standard compliant, the product supports Universal Plug-in-Play (UPnP), up to 2 SIP account profiles and advanced telephony features.

Grandstream Networks HT-502 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
  • 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

Grandstream Networks HT-502 Specifications

Telephone Interfaces 2 FXS ports, 2 SIP accounts
Network Interface 1 RJ45 for LAN, 10/100 Base-TX, Full Duplex
1 RJ45 for WAN,10/100Base-TX, Full Duplex
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 and AAL2 protocol), G.168 compliant Echo Cancellation, LEC (line echo cancellation) with NLP, Asymmetric RTP stream
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
DHCP Server/Client Yes, NAT Router or Switched Mode
Telnet Server Yes
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay
QoS Diffserve, TOS, 802.1 P/Q VLAN tagging
IP Transport RTP
DTMF Method Flexible DTMF transmission method, user interface of In-audio, RFC2833 and/or SIP Info
IP Signaling SIP (RFC 3261)
Provisioning TFTP, HTTP, HTTPS
Control TLS/SIPS, SIP over TCP/TLS
Device Management Web interface or via secure encrypted AES or non-encrypted central configuration file for mass deployment, Auto/manual provisioning system or via built-in IVR. NAT-friendly remote software upgrade (via TFTP/HTTP/HTTPS) for deployed devices including behind firewall/NAT. Syslog support
Dial Plan Yes
UPnP Yes
Universal Switching Power Adaptor Input: 100-240 VAC/50-60 Hz 0.3A Max
Output: 12VDC, 0.5A, UL certified
Environmental Operational: 32deg.-104deg.F or 0deg.-40deg.C
Storage: 10deg.-130deg.F / Humidity: 10-90% Non-condensing
Short Haul Loop 3RENs, Up to 150feet on 24 AWG wire
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
Dimensions (LxWxH) 115x75x27mm / 4.52x2.95x1.06"
Weight 94 g / 3.31 oz
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