[Serusers] SIP to AS communication

Juha Heinanen jh at tutpro.com
Mon Oct 9 16:45:05 CEST 2006


Dragos Vingarzan writes:

 > From an operator's point of view, 
 > IMS does not make too much sense if you don't control the Access Network 
 > because of the most hyped thing in IMS, QoS. 

well, i just heard that in current 3g networks pdp contexts with
different QoSes have not been implemented at all.  neither does QoS pdp
context support in 3g phones.

what comes to ims in general, i don't see it having any chance of
success, because it locks users into walled gardens.  this, of course,
doesn't prevent the community from developing IMS features in ser, but i
would feel that much more relevant would be to focus on XMPP/SIP
integration.

even if ser would include full IMS support, what would the use case be?
mobile operators are not likely to deploy third party IMS solutions,
because they are locked to their mobile vendor.

-- juha



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