TELECOMMS TRAINING COURSE DESCRIPTION
A comprehensive tour of the telecommunications technologies and terminology
currently in use, and under development.
WHAT WILL YOU LEARN
* 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.
TELECOMMS TRAINING COURSE DETAILS
* Who will benefit:
Anyone new to the Telecommunications industry.
* Prerequisites:
None.
* Duration
2 days
TELECOMMS TRAINING COURSE 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.
* 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.
* VoIP overview
What is VoIP, VoIP benefits, What is IP? The IP header, Packetising voice,
VoIP addressing, H.323, SIP, RTP. Bandwidth requirements.