Add deprecation warning for setting rel100 with a String instead of constants
Add deprecation warning for setting rel100 with a String instead of constants

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