Integrating asterisk as an ivr with cisco call manager 4.3.1

We are looking for professional services for integrating asterisk as an ivr with cisco call manager 4.3.1, with Cisco IP phone; CISCO routers running as Voip gateways running h.323 using g.729
We are based out of India and this reuirement is urgent

Our installation of pre-1.4 Asterisk works flawlessy with Cisco Call Manager 4.1.2 over H.323, so I think you should not have any problems with it. Just configure Asterisk as a gateway for CCM, and you should win!