This guide is to help others integrate their Microsoft 2013 Lync systems with AsteriskNOW for use with non-Lync compatible SIP providers.
You can download it from the following link: https://packetstormsecurity.com/files/download/133304/UDPTCP_Translation.pdf
Source: https://packetstormsecurity.com/files/133304/AsteriskNOW-Lync-2013-Configuration.html