SIP 2.0 (RFC3261), 2 lines .
G.711 A/U Law, G.722, G.723, G.729 .
Rich call control features .
G.168 Echo cancellation and VA

ZP302 IP Phone

Enter level ip phone.  74*28mm character LCD.
SIP 2.0 (RFC3261).  2 lines .  
G.711 A/U Law, G.722, G.723, G.729 .  Rich call control features.
G.168 Echo cancellation and VAD,CNG.  Full duplex hands-free speaker .  
Support SRTP .  Support basic NAT and NAPT

Voice
Codec: G.711 A/U Law, G.722, G.723, G.729,
Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone.
Support Voice Gain Setting, VAD, CNG

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

Protocols
MAC Address
TCP:Transmission Control Protocol
DHCP:Dynamic Host Configuration Protocol
PPPoE:PPP Protocol over Ethernet
SNTP, Simple Network Time Protocol
STUN - Simple Traversal of User Datagram ...
MD5 Message-Digest Algorithm
DNS: Domain Name Server
RTP: Real-time Transport Protocol
RTCP:Real-time Control Protocol
Telnet:Internet's remote login protocol
HTTP:Hyper Text Transfer protocol
FTP:File Transfer protocol
TFTP:Trivial File Transfer Protocol

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