Description
| Product Type | Broadband IP Phone |
| Network | One RJ-45 port can connect to DSL/cable modem, remote router or Ethernet/Gigabit switch, the other RJ-45 port can connect to a PC |
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Signal, Media & Network Protocols |
• SIP RFC 3261 & the related RFC standard in Appendix A • SDP RFC 2327 • RTP RFC 1889 • IP assignment: Static IP, DHCP and PPPoE • STUN, static port mapping (for NAT traversal) • SNTP • DNS & DNS SRV • TFTP/FTP/HTTP for Auto Provision • IP/TCP/UDP/ARP/ICMP |
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Voice Codec |
• G.711a/u (64 kbps) • G.729A/B (8kbp) • G.723.1 (*Optional) |
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Advanced Voice Quality Features |
• Silence Suppression • Acoustic Echo Cancellation (G.167) • Voice Active Detection (VAD) • Comfort Noise Generation • Jitter Buffer • DTMF Transmitter (SIP info, Transparent, RFC 2833) • Packet Lost Concealment (PLC) |
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Call Features |
• Call Forward (Busy, No answer, Unconditional) • Call Waiting • Call waiting Indication • Three Way Conference • Anonymous Call/Rejection • Message Waiting Indication • Do Not Disturb • Auto Answer • Black list • Limit list • Auto hangup • Ban outgoing • hotline |
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