Asterisk
Asterisk is a free and open source PBX software solution used by many individuals enterprise and businesses and provide functionality for VoIP product. Many of the businesses are gaining befits form this PBX solution , Asterisk is highly equipped and affordable software solution for businesses. Small and large organization are utilizing this solution in all over the world.
This open source solution was created in 1999 and sponsored by Digium. It is develope under dual license GPL and GNU these license allow freedom of further development in Asterisk. Asterisk is user all over the world and its user increase day by day.
FreeSWITCH
FreeSWITCH is a communication software solution used for voice and messaging applications. It is a free and open source communication software solution licensed under Mozilla Public License. Using FreeSWITCH, we can build PBX, soft phone and softswitch. FreeSWITCH use Sofia Sip stack this stack is fully mature robust and complete. FreeSWITCH is written in C language. We can run FreeSWITCH on different Linux flavors, Mac OS X, Window, ARM.
It was created in 2006 with contribution of Asterisk developers. The main purpose was to build a communication tool which provide stability and scalability features which are best as compare to other platforms.
Comparison Of Platform Asterisk And FreeSWITCH
PBX And Softswitch
The main difference between the Asterisk and FreeSWITCH is that,Asterisk is a PBX(Private Branch Exchange) solution and FreeSWITCH is a Softswitch.
Scalability
When we compare FreeSWITCH with Asterisk on the basis of scalability the performance of FreeSWITCH is better than Asterisk. Asterisk is depends on shared resources,threads which allow multiples calls.This become the cause of delay and corruption of data in huge capacity environment. On the other hand Fresswitch is design in such way its handle multiples calls better way because layered API manage shared resources efficiently.
Flexibility
Both application FreeSWITCH and Asterisk provide the flexibility to extend the functionality of both applications. FreeSWITCH is more flexible as compare to Asterisk. FreeSWITCH support multiple languages such as .NET, JavaScript, Perl, C++, Python and FreeSWITCH library embed with other applications easily.
Design And Configuration
Design and configuration of Asterisk is very simple as compare to Freeswitch. We can write a dial plan of Asterisk in plain text file. In Freeswitch dialplan and configuration based on XML.XML configuration and design is complicated process as compare to Asterisk.By using regular expression in FreeSWITCH dialplan design we make advance design of dialplan.