Mail Features:
Support 2.0 and correlative RFCs
6 SIP Accounts
The abiltiy to simultaneously login to all server
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
Possiblity of registering a domain or implementation of sip calls peer to peer
Can be used for custom ring tones, Support for STUN
Support for the SIP SMS
HD Voice