[SIPForum-discussion] Relation b/w SIP and IMS

aditya kumar adityaakumar at hotmail.com
Fri Nov 23 09:26:27 UTC 2007

Thanks Neil..for giving a clear cut idea on IMS and SIP.

Could you please share your thoughts on the following scenario:

1.One Call is from mobile to IP phone.[As per my knowledge by using MGCP/MEGACO, we can successful establish the call b/w these 2 different N/Ws]
Then what's the need of IMS architecture,if we need then How it plays the value added services?



> From: neillw at quortex.com
> Subject: Re: [SIPForum-discussion] Relation b/w SIP and IMS
> To: adityaakumar at hotmail.com; discussion at sipforum.org
> Date: Thu, 22 Nov 2007 16:03:30 +0000
> IMS is a whole platform/Architecture Framework. The 
> session control protocol (signalling protocol) is SIP with 
> a number of extensions.
> The IMS architecture uses the inherent features that SIP 
> brings and combines those with the features of Mobile 
> networks and adds the ability to construct external 
> applications through SIP Application Servers and the 
> Neill...;o)
> On Thu, 22 Nov 2007 15:00:55 +0000
>   aditya kumar <adityaakumar at hotmail.com> wrote:
> >
> >Hi guys,
> > 
> >1.If IMS is working on SIP protocol then what’s the 
> >disadvantage/doesn’t support the features by SIP, so that 
> >we have to go for IMS?
> >2.How IMS brings a great flexibility in our near feature?
> > 
> >Please guide me.
> > 
> >Thanks,
> >Adi
> >_________________________________________________________________
> >Tried the new MSN Messenger? It’s cool! Download now.
> >http://messenger.msn.com/Download/Default.aspx?mkt=en-in

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