SIP 2.0 (RFC3261)

IAX2 protocol (optional)

Supports PSTN (Optional)

The possibility of recording 4 SIP accounts, also as a backup

The ability to simultaneously login to all servers

Voice Codecs: G.711a / u, G.7231 high / low, G.729a / b, G.722, G.726, iLBC, AMR-NB;

AMR-WB

Video codecs: H.263, H.264, MPEG4

Video resolution: QCIF, CIF, QVGA

Photo Format: PEG GIF and BMP PNG

Video formats: MP4, 3GP and FLV

Echo cancellation: G.168 compatible with the LEC, including hands-free (AEC)

VGS, VAD, CNG, jitter buffer

Speakerphone full-duplex

Possibility of registering a domain or implementation of SIP calls peer to peer

Modes DTMF inband, SIP info, RFC2833

Can be used for custom ring tones

Support for STUN

Support for the SIP SMS

Adjusting the volume in all modes (headset / handsfree / headset wire / bell)

HD voice with high quality headset / HD voice in speakerphone mode

The phone user-friendly thanks to large LCD touch screen and keypad functionality of software distributed

Clear on-screen menu

Telephone Features: Forward / tranfer calls, both blind and attended / call-hold / conference call / paging and intercom / call park / capture / redial / click to dial / answer calls automatically

Call Recording during a call

Blaclist / Whitelist / DND - Do Not Disturb / CLIR / CLIP / Dial Plan

Call history: Incoming / Outgoing / Missed. Each 1000 entries.

Phonebook up to 2000 records

Import / Export Phonebook

External phone book - XML

Photo Frame

Music player (mp4, mp3, wav, wma)

The ability to connect external USB drives

The stream of VoIP (SIP / RTP) is also encrypted (egRC4)

WAN / LAN

PoE 802.3af

DHCP client on WAN

VLAN (optional)

NTP client

L2TP VPN

QoS

MD5 authentication

Network Utilities in telnet, ping, trace route

Android 2.1

Additional applications such as e-mail, IM, internet radio, web browser

Application Market

Desktop / google search

Desktop Widget

Web-based management, Telnet, and directly from the phone

Create users with different access rights to manage the phone

Auto provisioning

SNMP (Optional)

TR-069 (Optional)