Ip Phone (SKP-500R)

Detailed Product Description

Features:
1) Support two models: Bridge and Router (NAT&NAPT)
2) Network Protocols: TCP/UDP/IP, ICMP, HTTP, DHCP Client (WAN Interface), DHCP Server (LAN Interface), DNS Client, DNSRelay, SNTP, PPPoE, FTP, TFTP
3) VoIP Protocols: Support H323 (V4)&SIP (RFC3261, RFC3262, RFC3264, RFC3265) synchronously
4) Voice codecs: G.711 (A-law/U-law), G.723. 1, G.729A/B, G.726 and G.722
5) NAT transversal: Support STUN client, AVS and Citron etc. Can modify SIP register port, HTTP server port, Telnet server port and RTP port
6) Support two SIP server synchronously: Can register two different SIP server, and can make a call by either proxy
7) Support standard voice features such as numeric caller ID display, call waiting, hold, transfer, do-not-disturb, forward, in-band and out-of-band DTMF, hotline(off hook autodial), auto answer, ban outgoing
8) Full duplex hands-free speakerphone, redial, call log, volume control, voice
Record with indicator
9) Support standard encryption and authentication (DIGEST using MD5, MD5-sess)
10) Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort
Noise Generation), Line Echo Cancellation (G. 168), and AGC (Automatic Gain Control)
11) Provide easy configuration thru manual operation (phone keypad, Web
Interface and Telenet) or automated centralized configuration file via TFTP or HTTP
12) Support firmware upgrade via TFTP/FTP and HTTP

Hardware characteristics
1) LAN interface: 1x10Base-T LAN port
2) WAN interface: 1x10Base-T WAN port
3) Power supply: Input: 100-240V 50/60Hz 120mA; Output: DC+7.5V 1000mA
4) Operating temperature: 0-50oC
5) Relative humidity: 5-65%
6) Unit dimensions/weight: 24cm x 17.5cm x 6.6cm
7) Box dimensions/weight: 21.7cm x 31cm x 70cm
8) Shipping carton (10 pieces) dimensions/ weight: 38cm x 38cm x 150cm


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