Cisco 642-437 Exam Details & Actual Exam Questions
- Exam Code/Number: 642-437
- Exam Name/Title: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
- Certification Provider: Cisco
- Corresponding Certification: CCNP
- Exam Questions: 257
- Updated On: Aug,12 2026
- Certification Level: Professional
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Exam Questions
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(41 Up Votes)Cisco 642-437 Exam Overview:
| Certification Vendor: | Cisco Systems |
| Exam Name: | Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) |
| Exam Number: | 642-437 |
| Exam Format: | Multiple choice, Simulations / Simlets (legacy Cisco exam format) |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Real Exam Qty: | 55-65 |
| Related Certifications: | Cisco Certified Voice Professional (CCVP) Cisco Certified Network Professional (CCNP) Voice Cisco Unified Communications certification track |
| Certificate Validity Period: | Retired |
| Sample Questions: | Cisco 642-437 Sample Questions |
| Exam Way: | Proctored exam delivered via Pearson VUE test centers or online proctoring (depending on availability at time of offering; exam is retired). |
| Pre Condition: | Recommended experience with Cisco networking fundamentals; often aligned with CCNA-level knowledge or Cisco voice track prerequisites. |
Cisco 642-437 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| VoIP Fundamentals | - Voice traffic signaling basics - Voice over IP architecture and components - Voice codecs and compression techniques |
| Troubleshooting and Operations | - Common VoIP deployment issues - Voice and QoS troubleshooting methodologies |
| Call Admission Control and Performance | - Voice network performance considerations - Call admission control mechanisms |
| Signaling and Call Control | - SIP, H.323, and MGCP protocols - Dial plans and call routing - Gateways and gatekeepers |
| Quality of Service (QoS) | - Congestion management and avoidance - QoS models and mechanisms - Queuing techniques and bandwidth management - Traffic classification and marking |
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