[SR-Users] Advice on taking the best path to build a Presence & IM server

[José Seabra]

Hello there,
I'm writing here in order to get your experiences about a Presence & IM
server.

I would like to know what is the best solution to follow:

   - SIP Simple or XMPP?


I've more knowledge about SIP Simple with kamailio but i did some
researches and i found several open sources unified communications software
that's implement Presence and IM using an XMPP server.
So what is your opinion about which is the best solution to choose, taking
in considerations the following aspects:

   1. scalability
   2. interopeability
   3. permornace
   4. features(like: Personal assistance, voicemail integration, chat
   group, integration with social media)

Should i choose Kamailio SIP Simple with xcap or an XMPP server(Prosody or
ejabberd, etc)

I will appreciate a lot your opinion.
Thank you


Regards
José

-- 
Cumprimentos
José Seabra
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