HOTLINE
0909648899 028 62578355
Thiết bị ATA FXS Gateway Grandstream HT818 :
Thiết bị FXS Gateway Grandstream HT818
| Model | HT818 |
| Interfaces | |
| Telephone Interfaces | • Eight (8) RJ11 FXS ports; can be expanded by peering with an FXS gateway |
| Network Interface | • Two (2) 10/100/1000Mbps RJ45 ports |
| LED Indicators | • POWER, LAN, WAN, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6,PHONE7, PHONE8 |
| Factory Reset Button | • Yes |
| Voice, Fax, Modem | |
| 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.722, G.723.1, G.729A/B, G.726,iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation |
| Fax over IP | • T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for FaxPass-through |
| Short/Long Haul Ring Load | • 2 REN, up to 1km on 24AWG line |
| Caller ID | • Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| Disconnect Methods | • Busy Tone, Polarity Reversal/Wink, Loop Current |
| Signaling | |
| Network Protocols | • TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP,TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069, IMS/3GPP |
| QoS | • Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS) |
| DTMF Method | • In-audio, RFC2833 and/or SIP INFO |
| Provisioning and Control | • HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AESencryption, syslog |
| Security | |
| Media | • SRTP |
| Control | • TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265) SIP V2.0 (RFC 3261, 3262, 3264), RFC3261ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892) SIP Session Timer (RFC 4028) |
| Management | • Syslog support, SSH, remote management using web browser |
| Physical | |
| Universal Power Supply | • Input: 100-240VAC, 50-60Hz • Output: 12V/1.5A |
| Environmental | • Operational: 32o – 104oF or 0º – 50ºC • Storage: 14o – 140oF or -10º – 60ºC • Humidity: 10 – 90% Non-condensing |
| Dimension and Weight | • (L) 180mm * (W) 120mm * (H) 36mm • 356g |
| Compliance | • FCC/CE/RCM |
Liên hệ để có giá tốt
