Product Specification |
Overview | Grandstream HT-503 อุปกรณ์ IP Analog Telephone Adapter (ATA) 1 FXS, 1 FXO, Integrated NAT router, 2 Port Lan 10/100Mbps, รองรับ T.38, 2 SIP Account |
Telephone Interfaces | 1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with lifeline support |
Network Interfaces | Two (2) 10/100Mbps ports (RJ45) with integrated NAT router and auto-detection and support for either straight through or crossover cables |
LED Indicators | Power,WAN, LAN, PHONE and LINE |
Factory Reset Button | Yes |
Telephony Features | Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
Voice Codecs | G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1A, G.729A/B/E, G.728, 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), dyanmic jitter buffer, G.168 compliant line echo cancellation |
Fax Over IP | T.38 compliant Group 3 fax relay up to 14.4kbps, Fax datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay |
Short/Long Haul Ring Load | REN 3: Up to 150 ft on 24 AWG lines |
Caller ID | Bellcore type 1 & 2, ETSI, BT, NTT and DTMF-based CID |
Disconnect Methods | Polarity Reversal/Wink |
DHCP Serve/Client NAT Router | Yes, can operate in NAT router or switched mode |
Network Protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN |
QoS | Layer 2 (802.1Q VLAN/802.1p) and Layer 3 (ToS, Diffserv, MPLS) |
DTMF Method | RFC2833 and/or SIP INFO |
Provisioning and Control | UPnP, HTTP, HTTPS, TELNET, TFTP, TR069, secure and automated provisioning using AES encryption, syslog |
Media | SRTP |
Control | TLS/SIPS/HTTPS |
Management | Syslog support, telnet, remote management using web broswer |
Universal Power Supply | Input: 100-240VAC, 50-60Hz
Output: 12V VDC, 0.5A |
Environmental | Operational: 32? ~ 104?F or 0? ~ 40?C;
Storage: -10 ~ 130?F
Humidity: 10 - 90% non condensing |
