Session Initiation Protocol (SIP)

Network operators, administrators, network planner and technical support staff

Basic network knowledge, e.g.
Fondamenti di Networking e TCP/IP (NWFITA)
Troubleshooting TCP/IP Fundamentals (TTCP)

• Telephony Overview
  • Traditional Telephony
  • VoIP: SIP, H323, MGCP, SCCP, SDP
  • Network requirements
  • IP/TCP/UDP and QoS
• The SIP Protocol
  • SIP Addresses
  • SIP Requests
  • SIP Responses
  • SIP Architecture
• SIP Entities
  • Proxy: Forking Proxy, Redirect Proxy
  • B2B-UA
  • SBC
• SIP Signaling
  • SIP Trapezoid
  • Call Flows with authentication
  • Reliable signaling
• Voice transmission
  • Codecs
  • Evaluation of codecs
  • RTP in detail: protocol, structure, profile, header-compression
  • RTCP to control
  • Fax with T.38
• Session Description Protocol
  • SCP in SIP
  • Offer/Answer model
• Communication with the outside
  • IMS
  • ENUM
  • NAT
  • Firewall
  • SBC
  • ITSP – SIP-Trunk
• Future prospects
  • SRTP
  • Secure SIP