I have my CCNA I want to cpesialise on VOIP so do I have to get my CCNP first before I take exam 640-647 (voice)?If I can what is better to study? thank you __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/ _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]