SIP APPLICATION SERVERS & WeSIP SIP APPLICATIONS SERVERS AND WeSIP FOR OpenSER BERLIN

SIP APPLICATION WHAT ???

SIP APPLICATION SERVERS What is a SIP Application Server ? –A network entity that speaks SIP –AND IS PROGRAMMABLE !!!

Technologies - CPL CPL CPL stands for CALL PROCESSING LANGUAGE XML call behaviour scripting Protocol Agnostic Loaded and executed in a container Allows basic (non interactive) predefined modification of call behaviour based on time criteria, address criteria or network signalling criteria With CPL you can do things like “forward all my calls to voic if I’m not available, the caller is my girlfriend and is Friday” OpenSER provides CPL implementation module

Technologies – SIP CGI SIP CGI Defines a communication channel between the SIP server and the application scripts. Applications scripts (CGIs) can be written in any language. Similar in spirit to the invocation of external applications in OpenSER via 'exec' module

Technologies – OTHERS CCXML - Call Control XML Scriptable, XML based Protocol agnostic Supports variables and dynamic script retrieval Jain SLEE – Service Logic Execution Environment Protocol Agnostic Event driven Applications defined as a composition of components

SIP SERVLET JAVA API!! JUST LIKE SIP INHERITS PART OF ITS BEHAVIOUR FROM HTTP, SIP SERVLET PROGRAMMING IS SIMILAR TO HTTP SERVLET PROGRAMMING DEFINED IN JAVA COMMUNITY STANDARD JSR116 NEW VERSION 1.1 DEFINED IN JSR289 COMING SOON

SIP SERVLET PROGRAMMING MODEL SIP SERVLET APPLICATIONS CONSIST OF SERVLETS RUNNING INSIDE A SERVLET CONTAINER

SIP SERVLET PROGRAMMING MODEL SERVLETS ARE WRITTEN IN JAVA AND TRIGGERED UPON RECEPTION OF REQUESTS AND RESPONSES

SIP SERVLET PROGRAMMING MODEL SERVLETS ARE WRITTEN BY THE PROGRAMMER TO IMPLEMENT BUSINESS LOGIC WITH LOW PROTOCOL KNOWLEDGE REQUIRED PROGRAMMERS USE CONTAINER RESOURCES SIP Resources Message creation reception and delivery Transaction Managemet Dialog Management Parallel/Sequential Proxying J2EE JNDI Resources Database Pooling Resource references Environment entries

SIP SERVLET PROGRAMMING MODEL MANY CONTAINERS SUPPORT CONVERGENCE APPLICATIONS HANDLE SIP AND HTTP MESSAGES HTTP SESSIONS CAN SEE/INTERACT WITH SIP SESSIONS AND VICEVERSA

WeSIP WHAT IS WeSIP ??

WeSIP WeSIP is a Converged SIP Servlet Application Server built on top of OpenSER

WeSIP WeSIP adds a SIP Servlet programming layer to Openser You can develop your services and applications using existing OpenSER modules (like nat_traversal,registrar,etc...)...while at the same time enjoying the java programming language facilities Huge set of java libraries SOAP,EJB,JDBC.... WeSIP helps you to integrate OpenSER with other systems and protocols enabling the offer of a new set services

WeSIP OpenSER Integration WeSIP – OpenSER Integration

WeSIP site Download (Free for non-commercial uses) Tutorial Sample Applications WeSIP is patent pending technology

THANK YOU Thanks for your time!!! More questions ??