1)Support SIP 2.0 (RFC3261) and correlative RFCs;
2)Can connect to 3 SIP server at the same time;
3)SIP Support SIP domain;

Uncompromised Quality
Quality by definition, defined by quality
The Clarity NC530 is an executive IP phone designed for power users in office environments. It is especially designed for maximum productivity and efficiency in everyday business scenarios. The NC530 has an integrated speaker phone allowing Conference quality hands-free.Supporting up to 3 SIP accounts and 6 programmable keys, the NC530 delivers best in technology service.

Superior Technology
Using next generation chipset the NC530 offers unrivalled superb HD Voice Quality, innovative
functional richness, friendly user interface, stylish and elegant design. It is definitely able to provide a pleasant and satisfactory end-user experience. For Service Providers and Operators our branding program allows customisable LCD screen, XML Interface and screen print branding. Experience High Definition Voice.

Basic Features:
·Support SIP 2.0 (RFC3261) and correlative RFCs
·Support IAX2
·Support 3 SIP lines. Can connect to 3 SIP servers at the same time.
·Codec:G.711A/u, G.723.1 high/low, G.729a/b, G.722,G.726
·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 speaker phone
·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
·9 kind of ring type and 5 user-defined music ring (optional)

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
·Multi-language realizes localization
·SIP application: support call forward/ transfer (blind/attended)/ holding/ waiting/ 3 way talking/ conference/pickup/ join call/ redial and unredial/ click to dial/ vport/
·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 Bridge 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)
·QoS with DiffServNetwork 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 HTTP, FTP or TFTP
·Telnet remote management/upload/ download setting file
·Safe mode provide reliability
·Support Auto Provisioning (upgrade firmware or configuration file)
·Support Syslog

Specification: