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Help CenterGrandstream Networks HT502 Dual FXS Port Analong VOIP Telephone Adaptor
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Specifications
2 FXS ports2RJ-45 ports
2 SIPacounts& profiles
Comprehensive Dial Plan support for Outgoing calls
G.168 Echo Cancellati
PRODUCT OVERVIEW
The HT502 is a full feature voice and fax-over IP device that offers a high-level of integration including dual 10M/100Mbps network ports with integrated router, NAT, DHCP server, dual port FXS telephone gateway,market-leading sound quality, rich funcctiones ,
and a compact and lightweight design. The VoIP network signaling protocol supported is SIP. The HT502 fully compatible with SIP industry standard and can interoperate with many other SIP compliant devices and software on the market .Moreover, it supports comprehensive voice codecs including G.711( a/ μ-law ), G.723.1, G726 (16/24/32/40 bit rates), AAL2(all G.726), G.729A/B/E and iLBC.
SOFTWARE FEATURES OVERVIEW
•2 FXS ports
• 2 rj-45 ports(switched or routed)
• 2 SIP accounts & profiles
• Supports Voice Codecs:
G711 ( a/ μ ,Annex I & II), G723.1A, G726(ADPCM with 16/24/32/40 bit rates), G729 A/B/E,iLBC
• T.38 Fax
• Comprehensive Dial Plan support for Outgoing calls.
• G.168 Echo Cancellation
• Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss Concealment (PLC)
HT502 TECHNICAL SPECIFICATIONS
| Telephone Interfaces | 2 FXS ports, 2 SIP accounts |
| Network Interface |
1 RJ45 for LAN, 10/100Base-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 Capablities |
Voice Activity Detection (VAD) with CNG (comfort noise generation) ,and PLC(oacket loss concealment),Dynamic Jitter , Modem detection & auto-switch to G.711,Packetized Voice Protocol Unit (supports RPT and AA2 protocol),G.168 compliant Echo Cancellation, LEC(line echo cancellatio) with NLP, Asymmetric RTP stream |
| Voice Compression | G.711+Annex I (PLC),Annex II(VAD/CNG fromat) 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 , clock synchronization ), AGC ( automatic gain control),Status output,Deoder controlling via voice pac ket 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 14.4 kpbs and auto-switch to G.711 for Fax Pass-through,Fax Datapump V.17,V.19,V.29 for T.38 fax relay |
| QoS | Diffserve,TOS,802.1 P/Q VLAN tagging |
| IP Transport | RTP |
| DTMF Method | Flexible DTMF transmission metho, 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 |
| Enivioromental |
Operational:32°-104°F or 0 ° -40 °C Storage:10 ° -130 ° F/Humidity:10-90% Non-condensing |
|
Dimensions (H x W x D) |
115mm(L) x 75mm(W) x 27mm(H) |
| Short Haul Loop | 3RENs, up to 150feet on 24 AWG wire |
| Call handing Feature | Caller ID display or block, Call waiting caller ID, Callwaiting/flash, Call transfer ,hold, forward, mute, 3-way conferencing , essage waiting, Do-NOT-Distrub(DND), call-return service |
| 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 |
CONNECTING THE HT502
The HT502 has two FXS port. Both FXS ports can have a separate SIP account . This is a key feature of HT502 as it supports simultaneous calls on both FXS ports.
HT502 CONNECTION DIAGRAM
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