The document provides an overview of Indigo Group and their SIP technology and products. It discusses SIP protocol and how it works for real-time communications over IP networks. It describes network components like user agents, servers, and gateways. It also outlines different network configuration options and examples of SIP services like multimedia sessions and event notification.
9. Principle /1 Registrar Server Location Server Proxy Server Private network / Internet Domain 1 Domain 2 [email_address] [email_address] DNS Server registration [email_address] Proxy Server call [email_address] domain2 ? user2 ? Media
10. Principle /2 call info @indigosw.com Directed to the user Caller [email_address] [email_address] 022303594 [email_address] Desk A Desk B Forking
38. Architecture Common Platform Registrar Proxy Presence Conferencing Instant Messaging SIP SDP SIMPLE DB DNS ENUM LDAP HTTP SOAP SMTP Integrated Web Server Service Container Application Development Interface Servlet Cont. CPL Session 3 rd Party Application Application Level Service Level Platform Level