Exam Name: IP Telephony Express(IPTX)
Certification Provider: Cisco
Corresponding Certification: IP Communications
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Updated: Jul 14, 2026
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Cisco 642-144 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Voice Quality and Troubleshooting | - QoS basics for voice traffic - Common voice issues and diagnostics |
| Topic 2: Cisco CallManager Express (CME) / IP Telephony Express | - Dial plan configuration - Basic configuration and deployment - Phone registration and endpoint management |
| Topic 3: Voice Gateway Configuration | - POTS dial peers - VoIP dial peers - PSTN integration concepts |
| Topic 4: Cisco IP Telephony Express Overview | - Cisco Unified Communications components overview - IP telephony architecture concepts |
| Topic 5: VoIP Protocols | - SIP fundamentals - H.323 basics - SCCP (Skinny) protocol - MGCP overview |
| Topic 6: Call Routing and Dial Plan | - Class of restriction concepts - Digit manipulation and translation rules |
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