Add small B2B to handle registration requests.
Add small B2B to handle registration requests.

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