The Whitebox IP Phone 502 is a kind of high level voice communication terminal which is based on wide band and independent of PC.With standware SIP 2.0/IAX2 and support G.711 A/U Law, G.722, G.723, G.729. ZP302 provide rich Voip features and excellent compatibility across of network environment.
Large dot matrix LCD display(57.54 x 79.2mm?
6 softkeys make user easier to us
Support PoE
2 Headset interface(3.5mm Jack or RJ9 connector)
Support 3 SIP lines and 1 IAX2 line at the same time
Support VLAN,VPN(L2TP/UDP and DMZ
Support Phonebook 500 records
Support SMS
Support Bridge and Router fucntion of WAN and Lan
Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode
Support Voice Gain Setting, VAD, CNG
Full duplex hands-free speakerphone
SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
DTMF:Support SIP info, DTMF Relay, RFC2833
Advanced Application Features
Large dot matrix LCD display and softkeys make user easier to use
Friendly graphic menu
2 headset interface (3.5mm Jack or RJ9 connector)
6 memory keys
Multilanguage realizes localization
SIP application: support call forward/ transfer (blind/attended/alert)/ holding/ waiting/ 3 way talking/ conference/ paging and intercom/ call park/ pickup/ join call/ redial and unredial/ click to dial/ vport/secondary dialing automatically/ push to talk
Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, white list, limit call, no disturb, caller ID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dial without register
Incoming calls /outgoing calls / missing calls. Each support 100 records.
Support Phonebook 500 records
Support SMS
Support Memo
Support alarm clock
Support Speed dial
Support XML
Network Features
WAN/LAN: 10/100M Ethernet ports
supports Route and Switch mode.
Support PPPoE for xDSL
Support PoE
Support basic NAT and NAPT
NAT transverse:support STUN client
Support DHCP client on WAN
Support DHCP server on LAN
Support main DNS and secondary DNS server.
Support VLAN
Support DMZ
Support DNS Relay, SNTP Client, Firewall
Support VPN (L2TP/UDP TUNNEL) , Open VPN/TLS, SRTP security protocol
QoS with DiffServ
Network tools in telnet server: including ping, trace route, telnet client
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