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Grandstream Handy Tone Analog Telephone Adaptor HT502
The HT502 is a powerful VoIP router.Handy Tone 502(HT502) Analog Telephone Adaptor(ATA),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.


Feature Specifications
| HT-502 | |
| 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 |
| Telephone Interfaces | 2 FXS ports, 2 SIP accounts |
| Network Interface | 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 |
| DHCP Server/Client | Yes, NAT Router or Switched Mode |
| 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 |
| QoS | Diffserve, TOS, 802.1 P/Q VLAN tagging |
| IP Transport | RTP/RTCP |
| 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 (pending) |
| Control | TLS/SIPS |
| 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 & long haul | REN3: Up to150 ft on 24 AWG line |
| Call Handling Features | Caller ID display or block, Call waiting caller ID, Call waiting/flash, Call transfer, hold, forward, mute, 3-way conferencing |
| 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 |
-caller ID, call waiting, 3-way confernce, blind or attended transfer
-call forward, do not disturb, voicemail, MLS voice prompts
-T.38 fax, flexible dial plan, direct IP calling
-G.711(a/u-law), G.723.1, G.729A/B, G.729E
-G.726-40/32/24/16 and iLBC
1.Trade terms: FOB,CIF,CFR,etc
2.Price Terms: L/C,D/P,T/T,Western Union,PAYPAL
3.Payment Terms: T/T in advance
4.MOQ: 1 pcs
5.FOB Price:US $1 - 1,000 / Piece
6.Port: Shanghai
7.Lead time: Within 5 working days after receipt payment.
8.Shipment: Express, Air, Sea
9.Supply capability: 200 Piece/Pieces per Week
10.Sample availability: Yes( not free)
11.Package information: carton package with Huawei original package

We can provide detail documents and remote help for device installation and configuration.
Warranty: 1 year. ( After the quality guarantee period began to charge appropriate maintenance service fee.)
Our company promises goods enjoy full return due to quality problem since goods delivered within 7 days or 15 days , returned goods must keep original state and it’s accessories are complete.
Shanghai KaiFei International Trade Co., Ltd. is a professional trading company which commits to import and export business. Our company mainly engaged in international purchases and sales on communication equipment, electronic products, it also involves import and export business agency, such as declare at customs or clearance, commodity inspection, warehousing, international transport, receipt and payment of foreign exchange, international insurance, pay for export drawback, etc. We have established close strategic partnership with many production-oriented enterprises which with high-quality, first class service and reliable reputation. Our company has professional agency experience and quality service in the part of import and export agency business. We are striving to provide more quality products and more perfect service for both domestic and foreign customers.
We are now the agent of well-known international brands such as HUAWEI, ZTE, CISCO, ZYXEL, Grandstream, etc. Our customer include major national telecom carriers, as well as radio and television, electricity, mining and other industry professional network users; We have already established a long-term friendly and cooperative relations with them. In addition, the company has been actively expanding into foreign markets. The products are exported to Europe, America, Southeast Asia, the Middle East as well as Japan, Korea and other neighboring countries.
We will constantly improve our service and quality to create a win-win situation.
Please contact us to know details.
ShangHai Kaifei International Trade CO.,LTD
Address: Room 110,No.389 JinWan Road, ShangHai , China
Tel:+86-021-58718070 Ext 8024
Fax: +86-21-58714662
Attn: Lilian Hu
Cell-phone:13918808126
Skype:lilian.hu_2
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