[SIPForum-discussion] IM Design

[Shanmukharao.Makkapati at airtel.in]

Hi to all,

When we design IM using SIP 

The modules may be, 

1.       we may have to have parser module (to parse incmonibg/outgoing 
msges),
2.       core call engine (in case if you want VOIP telephony),
3.       authentication modules to check the validity of the accounts,
4.       network module for data transfer (UDP for IM) and
5.       presence module to provide status of the user (online/offline)..

How these modules will be structered in a sequence to design IM.

Can any one provide me the aritecture of the same in breif please....





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