Description

This training presents the principles of business telecommunications and associated vocabulary. It describes the standards used in telephony, the architectural principles, the equipment, services and applications available, how to structure and organize a business telephony network.

Who is this training for ?

For whom ?

Computer scientists, engineers and network managers.

Prerequisites

No special knowledge.

Training objectives

Understand the vocabulary and principles of business telecommunications.

Understand the standards used in telephony.

Identify new architectures and equipment for business telecommunications.

Discover telephony services and applications.

Discover the developments towards telephony over IP (ToIP).

Understand the principles of mobility over IP.

Training program

• Telephone networks of fixed operators
  • From voice to telephony.
  • Signal processing (analog and digital).
  • History of PSTN, ISDN telephone networks.
  • Organization of operator networks.
  • Digital operator access (MIC).
  • D signaling (Q931), SS7.
  • Advanced services and intelligent network.
  • Evolution of Telecoms.
• Business telephony: from PABX to IP Centrex
  • Architecture and components.
  • Call handling.
  • Routing/switching. Evolution of enterprise network architecture, convergence voice/data.
  • Evolution towards telephony over IP (ToIP).
  • PBX interconnection (RPIS).
• Les Call Centers
  • Architecture and components.
  • The stages of processing a customer call.
  • Distribution and queue management.
  • CTI and CSTA standards.
• Signaling
  • Role and objectives. Types of signaling. Standards and convergence towards IP.
  • Multimedia protocols H323, SIP, RTP, MGCP. Multimedia codecs (G7xx, AMR, H263, MPEG 4).
  • Stream architecture and dynamics.
• Telephony services and applications
  • Basic services (double call, multiline).
  • Reception services (pre-answer, grouping...).
  • Voice messaging and unified messaging .
  • Speech synthesis and “text to speech” technology.
  • Automatic switchboard and interactive voice server.
  • Management applications.
• IP telephony
  • Needs of data networks and telephone networks.
  • New services.
  • Business scenarios.
• Wireless and mobile telephony
  • GSM, EDGE and UMTS mobile networks.
  • Mobility over IP (WiFi / 802.11x, Wimax).
  • Fixed-mobile convergence (UMA) ).
• Advanced communications services
  • Personal Information Management.
  • Real-time voice/video services via the Web.
  • New services (presence, instant messaging, video telephony, etc.).
  • IMS (IP Multimedia Subsystem) development prospects.
  • New uses and change management.