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This is Cisco's official, comprehensive self-study resource for preparing for the new CICD 200-055 exam: one of two exams required to earn CCNA Collaboration certification and demonstrate your ability to administer Cisco voice and video networks. Expert Cisco network professional and trainer Michael Valentine covers every CICD 200-055 exam objective concisely and logically. You'll find comprehensive, up-to-date coverage of: Voice Perspectives: traditional voice, unified voice, Cisco Unified Communications components, and Cisco IP Phone Concepts and Registration Cisco Unified Communications Manager Express, Cisco Unity Express, and Cisco Unified Communications Manager: administration, endpoint/user management, dial plans, and enabling telephony and/or mobility features Cisco Unity Connection, CUCM IM, and Cisco Telepresence, including voice mail integration and CUCM IM Voice network management and troubleshooting with CME, CUCM, Unity Connection, CUCM IM, and Presence