Sip Diagram. The process takes place as follows when a caller initiates a call an invite message is sent to the proxy server. The circuit board not much too it.
This is what i. The term sip provider has its roots in sip trunking which is a service that allows businesses to connect their in house ip pbx systems to the pstn public switched telephone network. Sip is defined in rfc 2543.
Thus you can view all sip requests and responses all portasip nodes involved and an entire call flow in one place.
Using this site the other day i had the idea to create an export to mermaid live editor button on sip diagrams. Save export or copy the image for use in your requirements or design documents. Sip is a simplified version of the itu h323 packet multimedia system. The following diagram illustrates the sbc edge basic sip to sip call processing.