642-436 Exam Dumps
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| Certification Provider: | Cisco |
|---|---|
| Exam Code / Number: | 642-436 |
| Exam Name: | Cisco Voice over IP (CVOICE) |
| Exam Questions: | 357 |
| Last Updated: | Jul 22, 2026 |
| Corresponding Certification: | IP Communications |
This exam has been stopped to register, new exam code replace: 642-437
Cisco 642-436 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Gatekeeper Deployment | 15% | - Gatekeeper redundancy and verification - Call admission control and routing - Gatekeeper functions and components - Zone management and endpoint registration |
| Topic 2: Cisco IOS Gateways | 25% | - DTMF relay, fax and modem support - Analog and digital voice interfaces - Gateway components and DSP resources - PSTN and PBX integration |
| Topic 3: VoIP Fundamentals | 20% | - Traditional telephony and VoIP architecture - Signaling protocols: H.323, SIP, MGCP, SCCP - Voice digitization, packetization and codecs - QoS requirements for voice traffic - RTP, RTCP, cRTP media transport |
| Topic 4: Dial Plan Implementation | 25% | - Digit manipulation and path selection - Calling privileges and hunt groups - Dial plan verification and troubleshooting - Numbering plan and dial peer concepts |
| Topic 5: IP-to-IP Gateway (Cisco UBE) | 15% | - IP-to-IP gateway functionality - Protocol interworking and media flow - Configuration and verification - Call routing and admission control |