[Asterisk-Users] Ser vs Asterisk?

[Rich Adamson]

> > Could someone give me a 10,000 foot view of what the differences are
> > between Ser and Asterisk?
> 
> Asterisk is a PBX that you can use to connect SIP clients to the PSTN
> or voicemail /IVR applications.
> 
> SER is a SIP proxy that connects SIP clients to each other.
> 
> Asterisk handles all media streams through the asterisk server,
> SER handles no media streams at all - it's up to the SIP clients to
> set up the media between themselves.
> 
> So in an installation with many users, my preferred choice would be to
> have both - they're solving different problems.

Can they both exist on the same system and communicate with some degree
of stability?