*2RJ45 (WAN/LAN), 1FXS+1PSTN port, 1USB-B Port.
Specifications
- VoIP Protocols
- SIP (RFC 3261~3266 and various SIP draft extensions)
- SDP(RFC2327)
- RTP/RTCP(RFC 3550, 3551) Call Features
- Call Transfer (Attended)
- Call Forward (Busy / No Answer /Unconditional)
- Call Hold / Retrieve
- Call Waiting
- Caller ID Display
- Caller ID Blocking
- Anonymous Call Blocking
- Hook Flash FAX Support
- G.711 pass- through
- T.38 Codec
- G.711μ-law
- G711a-law
- G.729, G.729a/b
- G.723 Security
- HTTP 1.1 basic/digest
- authentication for Web setup
- MD5 for SIP authentication (RFC2069/ RFC 2617)
Features
- Dial Method
- Direct IP call without SIP proxy
- Dial number via SIP server
- Dial URI via SIP server
- Flexiable Dial Plan Router
- Virtual Server
- NAT
- DHCP Server
- DMZ Voice Quality
- VAD (Voice Activity Detection)
- CNG (Comfort Noise Generation)
- AEC (Acoustic Echo Cancellation)
- AGC
- Packet Loss Concealment
- Each Line G.168 up to 128ms
- Dynamic Jitter buffer
- Bell 202 and V.23 Caller ID NAT Traversal
- STUN
- Proprietary tunnel-based TCSP
- Fresh Open TCP/IP
- IP/TCP/UDP/DHCP/RTP/RTCP
- ICMP/HTTP/SNTP/TFTP/DNS
Certificate
- CE
- FCC
- UL
- RoHS.
Main Products
SIP VoIP Products