• The similarities and differences between traditional public switched telephone network (PSTN) voice networks and IP Telephony solutions
• To configure the call flows for Plain Old Telephone Service (POTS), VoIP, and default dial peers
• How to choose between centralized and decentralized call control and signaling protocols
• Analog and digital voice characteristics
• The processes and standards for voice digitization, compression, digital signaling, and Fax transport as they relate to Voice over IP (VoIP) networks
• Voice encodings and signaling
• Quality of Service techniques for "non-quality-of-service" networks (such as IP and Frame Relay)
• Voice Over IP environments (SIP, H.323, MGCP)
• Integrated voice/data network design and optimization
• Voice/data network configuration and troubleshooting
• Emerging voice technologies Voice quality issues and the Quality of Service (QoS) solutions used to solve them

5 days

ICND is suggested prior to attending this course.

Technical professionals responsible for VoIP including voice/data integration.

1. Introduction to Packet Voice Technologies

• Traditional telephony networks
• Packet voice networks
• IP data networks

2. Analog and Digital Voice Connections

• Basics of analog and digital voice
• Processes and standards of voice digitization, compression, and digital signaling
• Signaling methods
• ISDN voice interfaces
• Signaling between PBXs
• Common Channel Signaling (CCS) systems
• Internetworking of signaling systems
• Fax and modem usage over a VoIP network

3. Configuring Voice Interfaces

• Analog and digital voice interfaces
• Analog and digital voice ports for optimal voice quality

4. Voice Dial Peers

• Call flows
• Inbound and outbound dial peers
• Application of voice dial peers
• Special purpose connections

5. Introduction to Voice over IP

• Fundamentals of VoIP
• Differences and similarities between VoIP and Voice over other technologies, such as Frame Relay or ATM
• Roles of Gateways in integrating VoIP with the traditional voice technologies found in enterprise and service provider networks
• VoIP protocol stack
• Applied headers
• Use of Real-Time Transport Protocol compressed (cRTP)
• Bandwidth requirements for various codecs and data links
• Methods to reduce bandwidth consumption
• Implications of implementing security measures in VoIP networks

6. Voice over IP Signaling and Call Control

• Types of various signaling
• Call control models
• Call control services
• Functional components of H.323
• Functional components of SIP
• Functional components of MGCP
• H.323, SIP, and MGCP call control models

7. Improving and Maintaining Voice Quality

• Voice Quality Measurement including codec choice, which affects quality
• Transporting real-time voice in a non-real-time IP internetwork
• Quality of Service (QoS) functional areas and tools
• Campus networks
• WAN
• Effect of network design on QoS
• Overcoming jitter
• Overcoming delay
• Call Admission Control tools
• Resource Reservation Protocol (RSVP)
• Busy-hour bandwidth allocation for both voice and data traffic

8. Scalable Numbering and Applications

• Implementing a scalable numbering plan
• Cost-saving applications

Hands-on Labs