Course Features

Duration3 months
Skill LevelAdvanced

Seat:30 seat

Course Time:3 months

Voice over Internet Protocol (VoIP)

Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of  voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the internet. The terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the provisioning of communications services (voice, fax, SMS voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN), also known as  plain old telephone services (POTS).

Course Requirement

  • 1Core concepts of how Internet Protocol (IP) carries a VoIP packet
  • 2Advantages and disadvantages of SIP Trunking
  • 3Understand how DHCP and DNS supports IP telephony
  • 4Real-Time Transport Protocol (RTP)
  • 5Session Initiation Protocol (SIP) – Call set up, Instant Messaging, Presence
  • 6Session Description Protocol (SDP)
  • 7SIP proxy, Session Border Controller (SBC), and SIP softswitch
  • 8Media Gateway Control Protocol (MGCP) analysis
  • 9MGCP architecture
  • 10How to implement QoS to ensure the highest voice quality over your IP networks
  • 11The impact of jitter, latency, and packet loss on VoIP networks
  • 12How Wireshark can decode and troubleshoot RTP, SIP, and MGCP call flows
  • 13Trixbox Softswitch and SIP proxy
  • 14SIP gateways and softphones