Key FeaturesSIP 2.0 (RFC3261)The possibility of recording 4 SIP accounts, also as a backupThe ability to simultaneously login to all serversVoice Codecs: G.711a / u, G.7231 high / low, G.729a / b, G.722, G.726, iLBC, AMR-NBVideo codecs: H.263, H.264, MPEG4Video resolution: QCIF, CIF, QVGAPhoto Format: PEG GIF and BMP PNGVideo formats: MP4, 3GP..