Cisco Collab Presales certification

[Ajith Nayak]

Dear friends,

Please sugest Cisco Voice video collab and data presales certification exam code and prerequisist.

Ajith..

[Chris Deren]

Here are all sales certifications:

http://www.cisco.com/web/learning/certifications/specialist/bus/bus_transformation.html

and here are all current technical certs:

http://www.cisco.com/web/learning/certifications/index.html