Add logic to ICC receiveRequest for dealing with re-INVITEs
Add logic to ICC receiveRequest for dealing with re-INVITEs

markandrus/SIP.js,ronlobo/SIP.js,Escaux/SIP.js,onsip/SIP.js,Voiceworks/SIP.js,josephfrazier/SIP.js,joseph-onsip/SIP.js,onsip/SIP.js