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Many VoIP technical and sales professionals have a hard time to understand legacy telephony. Many times when developing a new project it is very important to understand the existing options to integrate them. Salespeople will also have a hard time to understand the telephony Jargon, FXO, FXS, E+M and so on.

This training is meant for telephony professionals who need a better understanding of legacy telephony. The course starts with analog lines, FXO, FXS and E+M. It covers analog and digital telephony from the theoretical perspective.

Sección 1 – Introducción al curso

• Introduction to the course and learning expectations

Sección 2 – Analog Signaling

Analog signaling is relevant because most companies nowadays still use analog devices at least in some of its applications. FAX is still very usual in the United States.

• Supervision Signaling

• Addressing Signaling

• Informational Signaling

• FXS

• FXO

• E+M

Sección 3 – Analog devices and technologies

Understand the main types of analog devices and technologies

• Gateways

• Phones

• Analog Telephony Adapters

• Corporate Applications

• Residential Providers

Sección 4 – Digital Signaling

Understand digital signaling and its nuances

• Digital Channels

• E1/T1 pinout

• Synchronization

• Digital Hierarchy

• Customer Premises Equipment

Sección 5 – Digital devices and technologies

Digital devices for US and Europe

• Digital Parameters for E1, Physical, Datalink and Network

• Digital Parameters for T1, Physical, Datalink and Network

• Nyquist Theorem

• Companding Type

• Time Division Multiplexing

• CAS and CCS

Sección 6 – Integrated Services Digital Network

The inners of ISDN

• ISDN Basic Rate Interfaces

• ISDN Primary rate Interfaces

• ISDN Naming Conventions

• ISDN Call Establishment

• Configuration Options

Sección 7 – MFC/R2 – Multi Frequency Compelled R2

• MFC/R2 call sequence