[Serusers] do we need Jabber?

[Joao Pereira]

Hello
I tried eyeBeam and it has Instant Messaging. I was able to use the 
messaging between my SER clients.
Now, if a SIP router (like SER) supports messaging, do we need a 
specific messaging system (like jabberd) to work with SER?

Thanks
Joao Pereira