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Updated: Sep 11, 2026
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Cisco 642-457 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) |
| Exam Number: | 642-457 |
| Exam Price: | USD $300 (varies by region) |
| Exam Duration: | 90–105 |
| Real Exam Qty: | 60–70 |
| Related Certifications: | CCNP Voice CCVP |
| Passing Score: | Not publicly disclosed / approx 720 (300–1000 scale) |
| Available Languages: | English |
| Exam Format: | Multiple Choice Single Answer, Simulation, Multiple Choice Multiple Answer |
| Certificate Validity Period: | 3 years |
| Recommended Training: | CIPT2 v8.0 Implementing Cisco Unified Communications Manager Part 2 |
| Exam Registration: | Cisco Official Exam Page Pearson VUE Registration |
| Sample Questions: | Cisco 642-457 Sample Questions |
| Exam Way: | Onsite at Pearson VUE testing centers / Online proctored |
| Pre Condition: | Valid CCNA Voice or CCIE certification; recommended prior completion of 642-447 CIPT1 v8.0 |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-457.html |
Cisco 642-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multisite Dial Plan Implementation | 25% | - Globalized call routing and E.164 dialing - Partition, CSS, and numbering plan design - Local Route Groups and global transformations - Tail-End Hop-Off (TEHO) and PSTN backup |
| Topic 2: Mobility Features | 15% | - Extension Mobility implementation - Mobility features verification - Device Mobility configuration |
| Topic 3: Multisite CUCM Infrastructure & Trunks | 20% | - SAF Forwarder and SAF CCD implementation - Multisite architecture and connectivity options - Implement H.323, MGCP, and SIP gateways - Configure intercluster trunks and call control discovery |
| Topic 4: Bandwidth Management & Call Admission Control | 20% | - Media resources: MTP, transcoders, conferencing, MOH - Automated Alternate Routing (AAR) - Regions and locations configuration - RSVP agents and SIP precondition - Gatekeeper-based CAC |
| Topic 5: Call Survivability & Redundancy | 20% | - SRST and CUCM Express survivability - Failover and fallback verification - Centralized call processing redundancy - MGCP fallback configuration |
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
Which configuration command disables the secondary dial tone on the branch office ISR for users calling from the PSTN into the branch office during a WAN failure?
- A. voice translation-rule
- B. application
- C. incoming called-number
- D. direct-inward-dial
Correct Answer: D 🗳️
Refer to the exhibit.
The HQ site uses area code 650. The BR1 site uses area code 408. The long distance national code for PSTN dialing is 1. To make a long distance national call, an HQ or BR1 user dials access code 9, followed by 1, and then the 10-digit number. Both sites use MGCP gateways. AAR must use globalized call routing using a single route pattern. Assume that all outgoing PSTN numbers are localized at the egress gateway as shown in the exhibit.
What should the AAR group prefix be?
- A. 9
- B. none
- C. +1
- D. 91
- E. +
Correct Answer: B 🗳️
What user profile is used to define the settings for a user on login?
- A. Group Profile
- B. Device Profile
- C. Specific Profile
- D. Pool Profile
Correct Answer: B 🗳️
A voice-mail product that supports only the G.711 codec is installed in headquarters.
Which action allows branch Cisco IP phones to function with voice mail while using only the
G.729 codec over the WAN link to headquarters?
- A. Configure Cisco Unified Communications Manager regions.
- B. Configure transcoder resources in the branch Cisco IP phones.
- C. Configure transcoding resources in Cisco IOS and assign to the MRGL of Cisco IP phones.
- D. Configure transcoding within Cisco Unified Communications Manager.
Correct Answer: C 🗳️
When you configure TEHO for long-distance calls and use the local PSTN gateways as fallback, how many route patterns do you require for a cluster with five sites that are located in different area codes?
- A. 5 when using a local route group
- B. 10 when not using a local route group
- C. 15 when not using a local route group
- D. 6 when using a local route group
Correct Answer: D 🗳️
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