Valid Cisco CCNA or any Cisco CCIE certification can act as a prerequisite.
CCNA Voice Exams
640-461 ICOMM v8.0 (Overview/Exam Topics)
CCNA Voice Recommended Training
Introducing Cisco Voice and Unified Communications Administration v8.0 (ICOMM) (ICOMM-training)
CCNA Voice Recertification
CCNA Voice certifications are valid for three years. To recertify, pass ONE of the following before the certification expiration date:
- Pass any current CCNA Concentration exam (wireless, or security, or voice, or SP Ops), or
Pass any current 642-XXX professional level exam, or
Pass the current CCDA DESGN exam, or
Pass any current Cisco Specialist exam (excluding Sales Specialist exams or MeetingPlace Specialist exams, Implementing Cisco TelePresence Installations (ITI) exams, Cisco Leading Virtual Classroom Instruction exams, or any 650 online exams), or
Pass any current CCIE Written Exam, or
Pass the current CCDE Written Exam OR current CCDE Practical Exam, or
Pass the Cisco Certified Architect (CCAr) interview AND the CCAr board review to extend lower certifications.