1 superior quality and competitive price
2 Sip support 2 simultaneous SIP lines or 1 IAX2 line
3 Support phonebook 500 records

ZP306--Middle level ip phone.
74*28mm dot-matrix LCD.
3 soft key with easy use.
SIP 2.0 (RFC3261) (3 lines) and IAX2(1 line).
Support SMS.
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.
Support VLAN/VPN/DMZ.
10 kind of ring type.
Support Bridge model and router.

 

Voip
Support SIP 2.0 (RFC3261) and correlative RFCs
Full duplex hands-free speakerphone
NAT transverse: support STUN client
SIP support SIP domain, SIP authentication (none, basic, MD5), Peer to Peer/ IP call
SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server at the same time
DTMF: Support SIP info, DTMF Relay, RFC2833
SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking
Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject
authenticated call, limit call, No disturb, Caller ID
Support Phonebook 500 records
Incoming calls / Outgoing calls / Missing calls. Each support 100 records
Support 10 kind of ring type and 1 user ring
Support IAX2
Support SRTP
Support SMS
Support Speed Dial
Support Memo
Support XML

Voice
Codec: G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726
Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free
Speaker Phone
Support Voice Gain Setting, VAD, CNG
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation

Networking
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/OpenVPN)
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

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

Hardware
CPU: Broadcom BCM1190 275MHz
SDRAM: 128Mbits
Flash: 16Mbits
LCD: 74*28mm Dot-Matrix
Power Consumption 1.5W/Active:1.8W

Interfaces
Power Input: 100-240VAC Output Power,5VDC,1A.
WAN RJ45,10/100M port.
LAN  RJ45,10/100M port.

Operating requirement
Operation temperature: 0C to 40C (32 to 104F)
Humidity: 10 to 90% no dew