POE Enabled IP Phone (MC-6020)

Features 
Support SIP 2.0 (RFC3261) and correlative RFCs 
CodecG.711A/u, G.7231 high/low, G.729, G.722 
Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand
free Speaker Phone 
Support Voice Gain Setting, VAD, CNG 
Full duplex hands-free speakerphone 
NAT transversesupport STUN client 
SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name
of server, Peer to Peer/ IP call SIP support Pubic & Private
server. Can connect to Public SIP and Private SIP server at the same
time 
DTMFSupport SIP info, DTMF Relay, RFC2833 
SIP application: support Call forward/transfer/holding/waiting 
Call control features: Flexible dial map, Hotline, Empty calling
reject, Black list for reject authenticated call, limit call, No
disturb, Caller ID. Support three way conference call 
Support voice record, 240 seconds max or 3 record max, user-defined
record prompt with 1 minute max 
Support Phonebook 500 records 
Incoming calls / Outgoing calls / Missing calls. Each support 100
records. 
Support conference and voice record on SIP server 
8 kind of ring type 
English, Spanish, Czechoslovak alternative 

Network
Features 
WAN/LAN: Support Bridge and Router model 
Support basic NAT and NAPT 
Support PPPoE for xDSL 
Support DHCP Client on WAN 
Support DHCP Server on LAN 
Support VLAN (optional: voice vlan/data vlan) 
QoS with DiffServ 
Support DMZ 
Support VPN (L2TP/UDP TUNNEL) 
Support DNS Relay, SNTP Client, Firewall 
Network tools in telnet server: Including ping, trace route, telnet
client 

Maintenance
and Management 
Web ,telnet and keypad management 
Management with different account right 
Upgrade firmware through POST mode 
Upgrade firmware through HTTP, FTP or TFTP. 
Telnet remote management./ Upload/download setting file 
Safe mode provide reliability 
Supoort Auto Provisioning (upgrade firmware or configuration file) 
Support Syslog

Mc
6020 user manual download here