Telecom training description
A comprehensive tour of the telecommunications technologies and terminology currently in use, and under development
Who will benefit?
Anyone new to the Telecommunications industry
Telecom training prerequisites
None
Telecom training objectives
By the end of the course delegates will be able to:
- List and describe components of the PSTN.
- Explain how calls are made over the PSTN.
- Compare analog and digital transmission methods .
- Describe the technologies within the transport plane.
- Recognise the benefits of extra features available in today's telephone networks.
Duration: 2 days
Telecommunications Introduction training course: Dates, prices & bookings
Back to Telecommunications courses overview
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Telecom
training contents
Telephone network architecture
Handsets, local loop, distribution points, Local exchanges, main telephone switches, PBXs.
Making a call - some basics
Telephone call components, how a telephone call works, accessing the local exchange, loop disconnect, DTMF, standards, E.164, PSTN routing, Intelligent Networks, Special Rate Services.
Analogue vs Digital
Voice characteristics, PSTN bandwidth, analogue signalling, Digital encoding, PCM and the 64k, ADPCM and other voice compression methods.
Transmission mediums
2 wire and 4 wire systems, hybrids, echo, echo suppression and echo cancellation. Copper, Coaxial, Fibre Optic, Multi Mode Fibre, Single mode fibre, DWDM, Microwave Radio, Satellite systems, VSATs.
PBXs
PABX, Call processing, networking PBXs, PBX facilities, bandwidth, blocking probability and Erlangs, Erlang models, using Erlang tables.
Transmission methods
Two wire transmission, 64k circuits, Nx64, E1, 2 wire to 4 wire conversion, echo, echo suppression, echo cancellers, twisted pair, coax, fibre optic, power lines, satellite systems, microwave.
Signalling
Analogue signalling, loop start, earth calling, E&M, AC15. Digital signalling -CAS, robbed bits and E1 slot 16 signalling. Digital signalling CCS, Q.931, SS7, Q.SIG, DPNSS, DASS2.
Transport planes
PDH, PDH issues, SDH, SDH architecture, SDH standards, SDH bit rates, SDH mulitplexors, DWDM.
Networks
Circuit Switched Networks, TDM, Packet Switched Networks, Frame Relay, Message Switching, Circuit Switching, STDM, Cell Switching, ATM, ATM cells, ATM traffic parameters, ATM QoS, MPLS.
Other network access
Modems, modulation, speeds, ISDN, BRI, PRI, xDSL, SDSL, ADSL.
Other Services
Centrex, VPNs, FeatureNet, CTI, Call Processing Systems, Voice Mail, Automated Attendant Systems, Interactive Voice Response, Call Management Systems, Call Conferencing, Star Services.
Mobile communications
3 types of wireless telephone, mobile generations, base stations, cells, GSM, GPRS, 3G, UMTS, WCDMA, 4G, LTE.
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