Cisco Certified Network Voice Certification is a mandatory prerequisite of voice technology world which basically authorizes skills and knowledge to administer voice networks. The Cisco certified Network Certification holders perform specialized corporate roles of voice technologies administrators, voice engineers, and voice managers. This certification also validates skills required for controlling voice, security, and wireless networks. It is an associate – level certification that also delivers an individual the skills essential to deal with VoIP technologies such as IP PBX, IP telephony, handset, call control, and voice mail solutions.
CCNA Voice consists of two options track which are entirely different from each other.
First is the CCNA Voice Certification enterprise which is usually required by the large organizations as it delivers the skills/knowledge, related to the Cisco Unified Communications Manager 6.0 (CUCM 6.0).  Mostly, it is typically employed by big companies such as governments and colleges. The CVOICE #642-436 exam is the prerequisite and one should have passed this exam first.

Second option is the CCNA Voice Certification commercial option, typically used by medium & small organizations, such as companies with less than 2,000 employees, retail businesses, and small school districts. This option validates skills/knowledge related to the Cisco CallManager Express (CME) and Cisco Unity Express (CUE) solutions. However, the candidate has to get through IIUC exam #640-460 first.

The precondition that a student has to meet before getting through Cisco Certified Network Voice Certification is a Valid CCNA or any CCIE Certification. The students have a choice in the selection of CCNA voice exams. They have to pass either 640-460 IIUC or 642-436 CVOICE 6.0 to achieve a Cisco Certified Network Voice Certification. The validity of CCNA Voice remains valid for three years. In case of recertification, a student has to pass a CCNA Concentration exam (wireless, security, voice), professional level or Cisco Specialist exam, or pass a current CCIE or CCDE written exam.


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