Grandstream HT503 VoIP
1.600.000 ₫
(*) Giá chưa bao gồm thuế VAT
- 1 FXS analog telephone ports (RJ11), 1 PSTN line FXO port, dual 10/100 Mbps ports with integrated NAT router
- Advanced telephony features include caller ID, call waiting
- Supports up to 2 SIP accounts
The HT503 enables an integrated hybrid deployment between PSTN and VoIP environments. Users can utilize “hop-on and hop-off” calling through its FXO and FXS port that enables remote call origination and termination to and from the PSTN line. This ATA features 1 analog telephone FXS port and 1 PSTN line FXO port. Users can utilize the device for extension of a VoIP service to 1 analog phone with the FXS port. In addition to being SIP compliant, this product features support for up to 2 SIP account profiles, excellent voice quality and advanced telephony features.
Features
- 1 FXS analog telephone ports (RJ11), 1 PSTN line FXO port, dual 10/100 Mbps ports with integrated NAT router
- Advanced telephony features include caller ID, call waiting
- 3-way voice conference, transfer, forward, do not disturb, message indicator, multi-language voice prompts, T.38 fax, flexible dial plan and more
- Supports up to 2 SIP accounts
- Status LED for power, telephone and network ports, and message waiting indication
Specifications
| Ethernet Ports | 2 RJ45 (LAN/WAN) |
| NAT/Router | Yes |
| DHCP | Client/Server |
| FXS Port | 1 |
| FXO Port | 1 |
| PSTN Pass-through Port | Yes |
| Voice Mail Indicator | Yes |
| Voice Codec | G.711(a/u-law), G.723.1, G.729A/B/E, G.726-40/32/24/16 and iLBC, T.38 fax |
| Remote Configuration | HTTP/HTTPS/Telnet/TFTP Provisioning |
| Telephone Interfaces | 1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with lifeline support |
| Network Interfaces | Two (2) 10M/100 Mbps ports (RJ-45) with integrated NAT router |
| LED Indicators | Power, WAN, LAN, PHONE and LINE |
| Reset Button | Factory reset button |
| Telephony Features | caller ID display or block, call waiting wither caller ID, flash, blind or attended call transfer, hold, call forward, do not disturb, 3-way conferencing |
| Voice Codec | G.711 Annex I (PLC) and Annex II (VAD/CNG format), G.723.1A, G.729A/B/E, G.726-40/32/24/16, iLBC |
| Voice over Packet
Capabilities |
Voice Activity Detection (VAD) with Comfort Noise Generation (CNG) and Packet Loss Concealment (PLC), Dynamic Jitter Buffer, G.168 compliant Line Echo Cancellation |
| Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay |
| DHCP Server/Client
NAT router |
Yes, can operate in NAT Router or Switched Mode |
| Network Protocols | TCP/UDP/IP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN |
| QoS | Support Layer 2 (802.1Q VLAN, 802.1p), Layer 3 QoS (ToS, DiffServ) QoS |
| IP Signaling | SIP (RFC 3261), SIP over TCP/TLS, SRTP, up to 2 SIP account profiles, symmetric and asymmetric RTP/codec in any call sessions |
| DTMF Method | RFC2833, and/or SIP INFO |
| Provisioning &
Management |
TFTP, HTTP, HTTPS, Telnet, secure and automated provisioning system for large deployment, syslog |
| Universal Power Supply | 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 | FCC/CE, EN55022/EN55024 and FCC part15 Class B |
| Safety | UL |
