Add class specific for IVoiSys to do DB auth.
Add class specific for IVoiSys to do DB auth.

jevonearth/rtpproxy,synety-jdebp/rtpproxy,sippy/rtpproxy,dsanders11/rtpproxy,synety-jdebp/rtpproxy,synety-jdebp/rtpproxy,synety-jdebp/rtpproxy,jevonearth/rtpproxy,dsanders11/rtpproxy,jevonearth/rtpproxy,sippy/rtpproxy,jevonearth/rtpproxy,sippy/rtpproxy,dsanders11/rtpproxy,sippy/rtp_cluster,sippy/rtp_cluster