[40] ACKS with non-SDP body now can be received; refer*->render*
[40] ACKS with non-SDP body now can be received; refer*->render*

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