Our high-tech Executive IP phone is designed especially for IP PBX and enterprise level users; it completely follows VOIP standards outlined by the ISO. Both SIP and IAX2 are included and fully compatible with SIP industry standards. This guarantees that the Executive IP phone are compatible with the majority of VoIP devices and software available in the market.

Supported Protocols and features:

• SIP (RFC3261, RFC2543) and IAX2
• Voice codec’s: G711A/u, G729, and G723.1
• G.168 96ms standard echo cancellation with speaker mode compliance.
• Jitter Buffer, VAD, CNG, SIP Domain name register, point-to-point Call
• RTP and RTCP voice communication
• Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833
• Support for many countries' standard ring parameters
• NAT transversal: Support STUN, CITRON, AVS Mode
• SIP domain, SIP Authentication (none, basic, MD5), Domain Name parse
• Support 5 SIP servers and 1 IAX2 account synchronously, can call in and out by either proxy
• SIP application, including SIP call forward/transfer/holding/waiting

Network Features:

• Support two modes: Bridge and Router, integrated two ports router function.
• NAT and NAPT.
• PPPoE for xDSL, and support off hook auto dial.
• DHCP Client for WAN;
• DHCP server for LAN;
• DNS relay on LAN port and can provide DNS service for LAN Network equipment.
• DNS SRV on WAN port
• SNTP Client, can auto-obtain time from internet
• Advanced DSP technology to insure high quality voice
• Advanced jitter buffer technology to prevent the delay and loss of package information
• Network Tools, including ping, race route, and telnet client.
• Support three modes to configure WAN port IP, they are: static, DHCP, and PPPoE.
• Provides firewall control for small LAN.
• Optional communication priority level for small LAN.
• VPN—L2TP and Openvpn(SSL) protocol
• Support Secondly Layer QoS (802.1p)

Advanced Functions:

• Headset support via standard PC headset jacks
• 128*64 LCD screen
• Power over Ethernet (POE) function
• 3 interactive soft keys users can "save, edit, delete" etc while making configurations via the phone.
• Synchronous support for 5 SIP servers.
• Local voice recording, message and server message.
• Support for sending and receiving short message (SMS)
• Message wait indication.
• User defined ring tones.
• L2TP client.
• Call pickup, join call, auto-redial.
• 5 programmable keys, 5 PSTN keys and 5 SIP keys, optional expansion board which can display more numbers' and their online status.
• Presence, BLF, Push to talk
• Dial switchboard and extension number at one time, directly get through to the ext. later.
• Phonebook, can set different rings according to different incoming callers.
• Call waiting, call transfer, three ways call, and multi-call forward
• Caller ID display, ban calling out, setting no-disturb, dial number automatically while picking up the telephone, set VIP numbers.
• Set the black list and confine numbers
• Point-to-point calls directly.
• Support flexible methods of receiving numbers.
• Silence suppression and silence detection.
• Noise background simulation.
• Echo suppression and auto gain.