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Module 1: Multisite Deployments
Lesson 1: Identifying Issues in a Multisite Deployment
- Multisite Deployment Issues Overview
- Quality Issues
- Bandwidth Issues
- Availability Issues
- Dial Plan Issues
- NAT and Security Issues
Lesson 2: Identifying Multisite Deployment Solutions
- Multisite Deployment Solution Overview
- QoS
- Solutions to Bandwidth Limitations
- Availability
- Dial Plan Solutions
- NAT and Security Solutions
Lesson 3: Implementing Multisite Connections
- Examining Multisite Connection Options
- MGCP Gateway Implementation Review
- H.323 Gateway Implementation Overview
- Cisco IOS H.323 Gateway Configuration
- H.323 Gateway Configuration
- Trunk Implementation Overview
- Implementing SIP Trunks
- Implementing Intercluster and H.225 Trunks
Lesson 4: Implementing a Dial Plan for Multisite Deployments
- Multisite Dial Plan Overview
- Implementing Site Codes for On-Net Calls
- Implementing PSTN Access
- Implementing Selective PSTN Breakout
- Implementing PSTN Backup for On-Net Intersite Calls
- Implementing Tail-End Hop-Off
Module 2: Centralized Call-Processing Redundancy
Lesson 1: Examining Remote-Site Redundancy Options
- Remote-Site Redundancy Overview
- Cisco Unified SRST Operation
- MGCP Fallback Operation
- Cisco Unified SRST Versions and Feature Support
- Dial Plan Requirements for MGCP Fallback and SRST Scenarios
Lesson 2: Implementing Cisco Unified SRST and MGCP Fallback
- MGCP Fallback and SRST Configuration Overview
- Cisco Unified SRST Configuration
- SRST Configuration on the Cisco IOS Gateway
- MGCP-Gateway-Fallback Configuration on the Cisco IOS Gateway
- Dial Plan Configuration for SRST Support
- MGCP Fallback and SRST Dial Plan Configuration in the Cisco IOS Gateway
- Telephony Features Supported By Cisco Unified SRST
Lesson 3: Implementing Cisco Unified Communications Manager Express in SRST Mode
- Overview
- Features
- General Configuration
- Configuring SRST Mode
Module 3: Bandwidth Management and Call Admission Control
Lesson 1: Implementing Bandwidth Management
- Bandwidth Management Overview
- Codec Configuration
- Local Conference Bridge Implementation
- Transcoder Implementation
- Multicast MOH from Branch Router Flash Implementation
Lesson 2: Implementing Call Admission Control
- Call Admission Control Overview
- Locations
- RSVP-Enabled Locations
- Automated Alternate Routing
- H.323 Gatekeeper CAC
Module 4: Features and Applications for Multisite Deployments
Lesson 1: Implementing Call Applications on Cisco IOS Gateways
- Call Applications Overview
- Cisco IOS Call Application Support
- Call Application Example: Auto-Attendant Script
- Call Application Configuration
Lesson 2: Implementing Device Mobility
- Issues with Devices Roaming Between Sites
- Device Mobility Overview
- Configuration Elements
- Operation
- Configuration
Module 5: IP Telephony Security
Lesson 1: Understanding Cryptographic Fundamentals and PKI
- Cryptographic Services
- Symmetric vs. Asymmetric Encryption
- Hash-Based Message Authentication Codes
- Digital Signatures
- Public Key Infrastructure
- PKI Example: SSL on the Internet
Lesson 2: Understanding Native Security Features and PKI
- Security Features Overview
- IPsec Support
- Signed Phone Loads
- SIP Digest Authentication
- SIP Trunk Encryption
- PKI Overview
- Cisco Certificate Trust List
- PKI Topology with Secure SRST
Lesson 3: Implementing Security
- Enabling PKI-Based Security Features
- LSC Enrollment
- Signed and Encrypted Configuration Files
- Secure Signaling
- Secure Media Transmission Between Cisco IP Phones
- Secure Media Transmission to H.323 and MGCP Gateways
- Secure Conferencing
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