SVG6000-1S шлюз

Network protocol 1. SIP v1 (RFC2543), v2 (RFC3261) 2. IP/TCP/UDP/RTP/RTCP 3. IP/ICMP/ARP/RARP/SNTP 4. TFTP client/DHCP client/ PPPoE Client 5. Telnet/HTTP server 6. DNS client 7. NAT/DHCP server CODEC 1. G.711: 64k bit/s (PCM) 2. G.723.1: 6.3k / 5.3k bit/s 3. G.726: 16k / 24k / 32k / 40k bit/s (ADPCM) 4. G.729A: 8k bit/s (CS-ACELP) 5. G.729B: adds VAD and CNG to G.729 Voice quality 1. VAD: voice activity detection 2. CNG: comfortable noise generator 3. LEC: line echo canceller 4. Packet loss compensation 5. Adaptive jitter buffer Call function 1. Call hold 2. Call waiting 3. Call forward 4. Caller ID 3-way conference DTMF function 1. In-band DTMF 2. Out-of band DTMF 3. SIP info SIP server 1. Registrar server (three SIP account) 2. Outbound proxy Tone 1. Ring tone 2. Ring back tone 3. Dial tone 4. Busy tone 5. Programming tone Phone function 1. Volume adjustment 2. Speed dial key 3. Phone book 4. Flash IP assignment 1. Static IP 2. DHCP 3. PPPoE Security 1. HTTP 1.1 basic/digest authentication for web setup 2. MD5 for SIP authentication (RFC2069/ RFC 2617) QoS 1. ToS field NAT traversal 1. Stun Configuration 1. Web browser 2. Console/telnet 3. IVR/keypad Firmware upgrade 1. TFTP 2. Console 3. HTTP