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SIP Phone PZ-502P

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ʹѺʹعⵤ SIP 2.0 (RFC3261) RFCs
ʹѺʹع 3 SIP Lines
WAN/LAN 10/100M Ethernet
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Basic Features 
-ʹѺʹعⵤ  SIP 2.0 (RFC3261) RFCs
-ʹѺʹعô  IAX2 
-ʹѺʹع 3 SIP Lines
-ʹѺʹعúպѴยẺ G.711A/u, G7231 high/low, G.729a/b, G722, G726
-Echo cancellation : G.168  in Compliance in LEC. Additional acoustic echo cancellation (ACE) can reach 96ms max filter length in hands-free mode 
-ʹѺʹعõ駤  Voice gain, VAD, CNG
-Full duplex hands-free speakerphone
-SIP ʹѺʹع  SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
-DTMF ʹѺʹع SIP  info, DTMF relay RFC2833
 
Network Features
-WAN/LAN 10/100M Ethernet
-ʹѺʹع ҹ Route Switch 
-ʹѺʹعҹ PPPoE 
-ʹѺʹع PoE
-ʹѺʹعҹ NAT NAPT
-ʹѺʹع DHCP client WAN DHCP  server LAN 
-ʹѺʹع main DNS secondary DNS server
-ʹѺʹع VLAN , DMZ
-ʹѺʹع DNS Relay, SNTP Client, Firewall
-ʹѺʹع VPN (L2TP/UDP TUNNEL) , Open VPN/TLS , SRTP security protocol 
-Network tools in telnet server : including ping, trace route, telnet client
 
Maintenance and Management 
-èѴ Config ҹ Web, telnet Keypad
-ʹѺʹعҹ HTTP, FTP TFTP
-ʹѺʹع Syslog
-Upgrade  firmware ҹ POST 
-Upload/download setting file