Simple ENUM/SIP Call Flow SIP RFC 3261
{"Image DocumentName": "Simple ENUM/SIP Call Flow SIP RFC 3261", "Image ImageDescription": "ENUM Global Directory (DNS) Equates to to enable Voice over IP using SIP. 3. DNS returns NAPTR record containing SIP URL to Calling Party UA. 2. Calling party proxy UAC queries DNS for location of end point. 1. The caller simply dials the person\u2019s normal telephone number. 4. Calling party UA connects the call.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}