Telephony Voice Telecoms Training Course::Voice Network Training Classes Seminars and Tutorials

Why this Telephony course?

This unique "Fast Track" course provides an essential introduction to current and emerging voice technologies. The course presents the information you need to understand voice and telephony terminology, and to work more effectively in this area of convergence.

Who should attend this Telephony course

All personnel who will be planning, implementing, supporting or managing computer networks, or telephone services.

Telephony Course Pre-requisites

Course 301: Intro to Datacomms and Networking, or equivalent experience in datacomms or networking, is a pre-requisite for this course.

Lifetime Post-Course Support

After completing this Telephony training course, delegates receive lifetime post-training support from LEVER Technology Group PLC, to help them apply the technologies and skills they have learned with us, to provide career-long support, and to ensure they are better equipped for their future roles in IT and networking.

Telephony Training Course Content

Data and Telecommunications Integration

LANs, intranets, data access,
E-mail, EDI, E-commerce
PABXs, voice mail, ACD and other voice technologies
Integration: workgroup computing, video conferencing, multimedia

Telephony Fundamentals

How telephones work
Analogue vs. digital signals
Conversion of analogue signals to digital
Switching principles

Data Communications Fundamentals

The OSI 7-layer model
DTE and DCE
CSU/DSU, NTU
Circuit-switched and packet-switched networks
Wide area data networks
Bridging and routing

Network Services

Public telephone network
ISDN: PRI, BRI
Private telephone/data networks
Cellular networks
Cable networks

Transmission Fundamentals

Analogue and digital channels
Voice digitisation
Codes, modulation and bandwidth
Bps versus Baud
Media options and selection

Switching Technologies

Space division switching
Time division switching
Packet switching
Switch design formats

Multiplexing Techniques

Time Division Multiplexing (TDM)
Inverse multiplexing, bonding
Statistical Time Division (STDM)
Frequency Division Multiplexing (FDM)

Network Planning

Determining your network requirements
Measuring network traffic
CCSs, Erlangs, BHCAs
Forecasting network growth

Selecting Network Services

Plain Telephone Services (POTS)
PABX services, systems and features
CENTREX services and features
Automatic Call Distribution
Cellular, PCS, DECT
Other network services

Telephony Programming Interfaces (APIs)

TAPI , TSAPI, SCSA

Important Computer-Telephony Terminology and Standards

Channel associated signalling:
E&M, MF, RZ
Common Channel Signalling: SS7
Telephone network routing: E163, 164
Data network routing: X.121, DNICs
Analogue channel noise:
dBrnc, pWp
Analogue: echo, singing, delay distortion
Digital: distortion, jitter, BER
Digital channel error detection and error correction

Network Carriers

LECs, LATAs, IECs
PTTs, PTOs
Private networks and Bypass
Network Signalling and Routing

Leased and Private Circuits

Voice band: modems, 2 wire, 4 wire
56k, 64k bit/s, "Kilostream"
T1/E1, "Megastream"
CSU/DSU
Fractional T1, T3/E3
SONET/SDH
International services

Dial-Up Network Standards

EIA-232, V.24, V.35
V.22, V.22bis, V.32, V.32bis, V.34
V.42, V.42bis, V.54

Sharing Network Services

Voice over data channels
The role of the Internet
Dynamic reallocation
Employing ATM

Compression Techniques

Speech: ADPCM, SBADPCM, CELP, DSI
Data: V.42bis, MNP, LZW
Fax: Huffman and MMR codes
Packet-Switched Data Services

Frame Relay

Link service requirements
Speed, CIR and congestion
Logical channels
SVCs and PVCs

Introduction to Telephony — a 2-day Telephony training course

An accelerated introduction to the terminology and services of telephone networks