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Cisco 642-143 IPTX Certification Exam |
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Cisco IP Telephony Express Exam 642-143... Continue Below To Cisco IPTX 642-143 Certification Exam Information and Cisco Articles. The real Cisco IPTX 642-143 Certification Exam has a duration of a 90 minutes and 65 - 75 questions to complete.
The Cisco IP Telephony Express IPTX 642-143 exam tests the candidate's knowledge of basic VoIP and PSTN components and technologies and the candidate's ability to describe, install, configure and support CCME and CUE products in a Cisco network. All these objectives are designated from the Cisco.com website. Please note that the IPTX 642-143 exam topics and objectives may change without notice, since technologies are always changing.
IPTX 642-143 Exam Objectives:
Describe basic VoIP and PSTN components and technologies
- Describe the function of Codecs and the differences between them
- Describe conditions that can effect the quality of VoIP calls
- Describe traditional telephony components including PBX, trunk lines, key-systems, tie lines, T1/E1, CAS, CCS, PRI, Winkstart, loopstart, groundstart, etc.
- Describe the signaling types used in IP telephony
- Describe the function and application of analog IP Gateways. (ATA, VG224, NMHDV, Faxing)
- Describe the characteristics of echo and mitigation techniques
- Describe TAPI and how it applies to CRM Communications Connector
Describe and configure a Cisco network to support CCME
- Explain the need for QoS and the locations where QoS is required
- Explain the methodology for deploying QoS successfully in a network to support CCME
- Configure AutoQoS to support CCME
- Describe the correct VLAN deployment strategy to support IP phones and data devices
- Configure switched infrastructure to support CCME deployment, including VLANs, port configurations, and PoE
- Describe the appropriate security deployment model
- Describe network management for CCME, including syslog
- Describe proper wireless network design as it relates to planning for a CME environment
Able to install CCME in any supported environment
- Explain the router file system required to support CCME
- Determine the router hardware features related to CCME support
- Obtain and load the appropriate CCME software components
- Describe the requirements and correct settings for DHCP, NTP, and TFTP in a CCME environment
- Configure DHCP, NTP and TFTP to support CCME
- Configure CCME using CME Configurator tool
Configure CCME to support IP Telephone feature requirements
- Compare and contrast the features of different types of ephones and ephone-dns
- Configure ephones and ephone-dns
- Describe initial phone setup process
- Configure analog voice ports per design specifications
- Configure digital voice ports per design specifications
- Configure call-transfer per design specifications
- Configure or enable additional IP phone features, including ring-tones and productivity tools
- Configure dial-peers per design specifications
- Configure digit manipulations to meet design requirements
- Configure MOH
- Configure CME to support fax services
Configure CUE in any supported environment
- Describe the features available in Cisco Unity Express
- Describe the procedure to install or upgrade the CUE software
- Describe the CUE configuration tasks
- Describe both of the CUE hardware platforms
- Configure CUE system components
- Configure users, groups and mailboxes using CLI
- Describe the configuration requirements to support the GUI
- Configure MWI on/off ports
- Configure pilot number for CUE
- Describe CUE back-up parameters and procedure
- Backup/Restore/Copy configuration files for CUE
- Explain troubleshooting methods using the CLI or GUI
Describe basic CCME and CUE deployment models
- Describe the supported CCME deployment models
- Describe the supported CUE deployment models
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