Add support for altpassword.
Add support for altpassword.

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