Specification :

Basic Features

n l Support SIP 2.0 ( RFC3261) and correlative RFCs
n l Support IAX2 ( Optional)
n l Support PSTN call ( Optional)
n l SIP supports 4 SIP servers, and 3 backup SIP servers. Can connect to these SIP servers at the same time.
n l Voice Codec: G.711A/ u, G.7231 high/ low, G.729a/ b, G.722, G.726, iLBC, AMR-NB, AMR-WB
n l Video Codec: H.263, H.264, MPEG4
n l Video solution: QCIF
CIF
QVGA
n l Image format: PEG
PNG
GIF and BMP
n l Video format: mp4
3gp and flv
n l Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation( AEC) can reach 96ms max filter length in hands-free mode
n l Support Voice Gain Setting, VAD, CNG
n l Support jitter buffer
n l Full duplex hands-free speakerphone
n l SIP support SIP domain, SIP authentication ( none, basic, MD5) , DNS name of server, Peer to Peer/ IP call
n l DTMF Relay: support inband, SIP info, RFC2833
n l Support customized music rings
n l Support STUN
n l Support SMS based on SIP
n l Volume( handfree/ handset/ headset/ ring) adjustment
n l Visual angle adjustable display screen
n l Professional Speaker/ HD Voice
n l Ergonomic handset( acoustical cochlea)

Maintenance and Management

n l Android 2.1
n l Third party android application, e.g. email, IM, internet Radio, web browser
n l Application market
n l Desktop/ google search
n l Desktop widget
n l Web, telnet and keypad management
n l Management with different account right
n l Support automatic upgrades/ configuration deployment
n l Support encrypted configuration files download with AES
n l Support pushing message
n l Support SNMP ( Optional)
n l Support TR-069 ( Optional)