- Cisco 642-436 - Cisco Voice over IP (CVOICE)
Cisco 642-432
Description:
Associated with the CCVP, Cisco IP Communication Support Specialist, and Cisco Rich Media Communications Specialist certifications the Cisco 642-432 Cisco Voice Over IP (CVOICE) exam from Cisco Certification is a advanced level exam this examination is meant for students who either are employed or want to be employed in the
Exam Details:
The Cisco 642-432 (CVOICE) exam has a difficulty rating of about 3 out of 5 beginner’s level exam. Any 642-432 practice questions for the Cisco 642-432 CVOICE exam, like the Testking practice exams should have 55 to 65 questions in a set as this is the number of questions you would encounter when sitting for the exam. Varied types of questions are used in this examination and you will get a total of 90 minutes to answer the questions in the Cisco 642-432 CVOICE exam. A successful pass score will be 65%. The 642-432 practice exams, as well as the 642-432 study guides and 642-432 study notes should also cover the key topics tested in the Cisco 642-432 CVOICE exam.
Registering for the Exam:
The registration costs for the Cisco 642-432 CVOICE exam is usually between $65 and $300 USD. Students can register for the Cisco 642-432 CVOICE exam at any Prometric or Pearson VUE office world wide. These are the only officially accredited Cisco Examination centers where you can sit for these and other Cisco examinations; however, the exam is only available in English.
Key Topics:
Candidates can prepare for this exam by taking the Cisco Voice Over IP (CVOICE) course. This exam assesses a candidate's knowledge of how to implement and support data and voice integration solutions at the network-access level. Topics covered include:
Similarities and differences between PSTN and VoIP
- PSTN and VOIP characteristics, transport
- TDM and statistical multiplexing
- Comparing PSTN call signalling to VoIP call signalling
Router configuration to complete a basic IP Telephony call
- dial-peer settings for VoIP or POTs, default dial-peer, hunt groups
- POTs ports (FXS and FXO), E&M
- matching inbound/outbound dial peers
- gateway/gatekeeper, call signalling
Troubleshoot basic IP telephony configuration
- Using show/debug commands to troubleshoot invalid: dial-peer configurations, port configuration and operation, hunt-group configurations and digit manipulation
Integrating basic IP telephony network into existing PSTN network
- port and signaling requirements
- selecting connection type between PBX and VoIP networks
- LEC, CLEC, RBOC, ILEC, IXC
Converse with traditional TDM support personnel
- TDM signaling, port and line types, and addressing signalling
Basic VoIP call operation and components
- RTP, RTCP, cRTP; H323; MGCP; SIP; and E&M; call-legs; and QoS
- analog to digital conversion
- compounding and compressing
- packetization (frames, codec types)
Connecting basic VoIP net to the PSTN
- selecting gateway connection
- proper signalling options
- digit manipulation
- E164 addressing
Preparing for the Exam:
It is recommended that exam-takers have the knowledge, skills and abilities necessary to administer, support and troubleshoot Cisco Voice applications prior to taking this exam and have at least six months of experience working, maintaining, and troubleshooting a Cisco Voice solution with all the relevant Cisco hard and software.
Following is a list of useful courses and exams that can server as preparation for the 642-432 examination:
- Cisco Voice over IP (CVOICE)
- and Cisco Voice over IP Fundamentals (CVF)
A further tip is to make use of the various online sources. These include: 642-432 exam resources, 642-432 study material, 642-432 study questions, 642-432 test prep, 642-432 practice tests, 642-432 free practice and even 642-432 actual exam questions.
Certification Credits:
The successful student that passes the Cisco 642-432 CVOICE exam will be awarded with credit towards the Cisco Certified Voice Professional certifications that consists of:
- CCVP, Cisco IP Communications Support Specialist,
- and Cisco Rich Media Communications Specialist
Information Technology professionals like Citrix Administrators, Systems Engineers, Technical Consultants, Network Administrators, Windows Administrators, Security Administrators, and Helpdesk Personnel can all find benefits from taking the 642-432 examination and successfully completing it.







