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Exam: 642-144

Vendor Cisco
Certification IP Communications
Exam Code 642-144
Exam Title IP Telephony Express(IPTX)
No. of Questions 74
Last Updated Aug 22, 2023
Product Type Q & A with Explanation
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642-144 IPTX
 IP Telephony Express Exam
 Exam Number: 642-144
 Associated Certifications: Cisco IP Communications Express Specialist
Exam Description
The IP Telephony Express 642-144 IPTX is the exam associated with the Cisco IP Communications Express Specialist certification. Candidates can prepare for this exam by taking the IP Telephony Express (IPTX) course. This exam tests a candidate's knowledge of VoIP and PSTN components and technologies and the candidate's ability to install, configure and support Cisco Unified CallManager Express and Cisco Unity Express products in a Cisco network. Topics covered include basic VoIP, PSTN, and SIP, CallManager Express and Unity Express.
 Exam Topics
The following information provides general guidelines for the content likely to be included on this exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposed the guidelines below may change at any time without notice.
 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, and tie lines
 * Describe the components of Cisco Unified Communications architecture
 * Describe the analog and digital signaling types used in TDM networks
 * Describe the function and application of analog IP Gateways (ATA, NMHDV, FXS, SCCP FXS)
 * Describe TAPI and how it applies to the CRM Connector
 Describe and configure a Cisco network to support Cisco Unified CallManager Express
* Explain the need for QoS and the locations where QoS is required
 * Configure switched infrastructure to support Cisco Unified CallManager Express
 * deployment, including VLANs, port configurations, and PoE
 * Describe management tools available for Cisco Unified CallManager Express
 * Describe the network requirements for supporting teleworkers
 Install Cisco Unified CallManager Express in any supported environment.
* Explain the router file system required to support Cisco Unified CallManager Express
 * Determine the router hardware features related to Cisco Unified CallManager Express support
 * Obtain and load the appropriate Cisco Unified CallManager Express software components
 * Describe the requirements and correct settings for DHCP, NTP, and TFTP in a Cisco Unified CallManager Express environment
 * Configure DHCP, NTP and TFTP to support Cisco Unified CallManager Express
 * Describe Cisco Unified CallManager Express QCT
 Configure Cisco Unified CallManager Express 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 Music on Hold
 * Configure Cisco Unified CallManager Express to support fax services
 * Describe and configure Cisco Unified CallManager Express in key system or PBX mode
 * Configure B-ACD application
 * Describe and configure a localized version of Cisco Unified CallManager Express
 Configure Cisco Unified CallManager Express to support SIP Telephony feature requirements
* Compare and contrast the features of different types of Register-dn and voice register pools
 * Configure Register-dn and voice register pools
 * Describe initial SIP phone setup process
 Configure Cisco Unity Express in a Cisco Unified CallManager Express environment.
* Describe the features available in Cisco Unity Express
 * Describe the procedure to install or upgrade the Cisco Unity Express software
 * Describe the Cisco Unity Express configuration tasks
 * Describe both of the Cisco Unity Express hardware platforms
 * Configure Cisco Unity Express 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 Cisco Unity Express
 * Describe Cisco Unity Express back-up parameters and procedure
 * Backup/Restore/Copy configuration files for Cisco Unity Express
 * Explain troubleshooting methods using the CLI or GUI
 * Describe and configure Cisco Unity Express integrated messaging
 * Describe & configure Voice View Express
 * Describe and configure a localized version of Cisco Unity Express
 * Describe and configure Voicemail networking
 Describe basic Cisco Unified CallManager Express and Cisco Unity Express deployment models
* Describe the supported Cisco Unified CallManager Express deployment models
 * Describe the supported Cisco Unity Express deployment models
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