I completed my CCVP.Next im going to prepare for Cisco IP Telephony Design Specialist exam. This exam covers 3 papers
642-415 UCAD Cisco Unified Communications Architecture and Design (UCAD)
650-251 LCSAUC Cisco Lifecycle Services for Advanced Unified Communications
642-642 QoS Implementing Cisco Quality of Service (QoS)
since i hav completed 642-642 QoS Implementing Cisco Quality of Service (QoS) in my ccvp exam do i need to write the exam once again to get Cisco IP Telephony Design Specialist certification.
Please friends clear my doubts.