IP Phones

• Phone

4 SIP accounts, Call Hold, Mute, Do Not Disturb, Auto Answer, Redial, Speed Dial, Hotline Call Transfer, Call Waiting, Call Forwarding SIP MESSAGE, 3-way conference, IP Direct Paging, Intercom, Call Parking, Call Intercept Manual or Auto Time Setting, Holding Music Unplugging Rule (Digital Chart), IP Conflict Detection, 2.4GHZ WI-FI, USB Interface ( Compatible with 2.0): U disk recording, customize 9 DSS/BLF keys.

• Interface

2.8 320x240 pixel LCD with backlight, 16-bit color depth, incoming and outgoing message alerts, red and green alerts, account status messages, intuitive user interface with icons and softkeys, support for multi-language display of incoming call information: contact name, number, power-saving mode.

• Function Keys

4 line keys 7 function keys: voice message, headset, call hold, mute, call forwarding, redial, speakerphone 4 soft keys 5 navigation keys volume adjustment keys

• IP-PBX 

BLF Anonymous Calling, Anonymous Call Rejection Voicemail Message Waiting Indication (MWI).

• Audio

High Definition Audio:HD Handle,HD Handsfree Audio Codecs: G.722,OPUSAMR-WB(optional),G.711WB(optional)G.711(A/U),ILBC,G.729A/B,G.723.G.726,AMR-NB(optional DTMF: IN-BAND,RFC 2833,SIPINFO full duplex) Hands-free VAD,CNG,AECPLC,AJB,AGC

• Telephone Directory

Phonebook (2000 records), Blacklist, XML/LDAP Remote Phonebook Search/Import/Export Phonebook Call Logs: Recent Missed Calls/Received Calls/Dialed Numbers, (60 records)

• Network Security

SIP V1 (RFC2543), V2 (RFC3261), call server redundancy, STUN-based NAT penetration, SIP connection mode: proxy mode, peer-to-peer direct connection mode, IP address allocation mode: static IP, DHCP, support for HTTP/HTTPS services, automatic synchronization of the date and time via SNTP SDP (RFC 2327), UDP/TCP, support for multiple VLANs, DSCP8021P QOS, SRTP, TLS, HTTPS certificate management, configuration of the error message roughly trekked to a VLAN, and then to a mix of pigtails, and then to a VLAN. UDP/TCP, support for multi-VLAN, DSCP8021P QOS, SRTP, TLS, HTTPS certificate management, configuration feature error text thick trekking dad arsenic braid ah mix braid tares to put the commandments of the AES encryption, message authentication mechanism, VPN: PPTP, L2TPOPENVPN, IPV4, IPV6, IPV4/IPV6 dual-stack, RTP/RTCP ( RFC 1889, RFC 1890), ARP/RARP (RFC 826/903), IEEE802.1QVLAN/802.1P/DSCPSNMPV2, LLDP/CDP/DHCP VLAN

• Configuration & Management

Configuration mode: web, phone, automatic configuration TFTP/HTTP/HTTPS automatic configuration TR069 network management (TR104/TR106) restore factory settings, reboot packet capture and system log export DNS/DNS SRV (RFC 1706, RFC2782) NAPTR (RFC 2915, SIP URL lookup) support for Flying Voice FACS Cloud Webmaster access to DHCP servers and DHCP clients