[Users] reason of interlocking with Asterisk server

[김형선]

Hello.
 
I think that some sites use OpenSER with Asterisk server.
But Why? (for accounting? or supplementary service?)
Aren't they same?
 
In conceptionally, OpenSER is central VoIP server, and Asterisk is IP-PBX for apart site. right?
What is the structure of service being applied, in generally?
 
OpenSER, Asterisk,...
What is the role of them?
 
thank you.
새로운 기부문화의 씨앗, 해피빈
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