IP-телефон

Features: - Support 2 SIP lines - SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call - 3-line dot-matrix graphic backlit LCD - Dual 10/100Mbps Ethernet ports (switched/routed) - DHCP (client/server), Static IP, PPPoE for xDSL - Full-duplex speakerphone with advanced acoustic echo cancellation - Support codec: G.723.1 (5.3k/6.3k), G.729A/B, G.726, G.711(A-law/µ-law), G.722 - Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality - Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168/165), and AGC (Automatic Gain Control) - Call features: voicemail, SMS, caller ID display or block, conference call, call Forward, call Transfer (blind or attended), call hold, call waiting, paging and intercom, call park/pickup, join call, click to dial, DND, black list, limited list, call history - Support comprehensive customized dial peer - Support NAT Traversal (STUN); VLAN (voice VLAN / data VLAN); QoS with diffserv; VPN (L2TP); DMZ; Firewall; DNS relay - Support automated provisioning through TFTP/TFP/HTTP for mass deployment - Support management via web interfaces, keypad and telnet ip phone,voip phone,sip phone