VoIP & IP telephony demystified

Description

VoIP and IP Telephony training course description

A concise overview course for management covering voice communications using IP networks. The course focuses on how VoIP works at a simplified level enabling delegates to recognise the key decisions to be made when implementing VoIP.

What will you learn

• Describe the key buzzwords used in the VoIP arena.
• Explain how VoIP and IPT work (at a simplified level).
• Describe the issues of providing a converged architecture.
• Recognise the key decisions to be made when implementing VoIP

VoIP and IP Telephony training course details

VoIP and IP Telephony training course contents

• Introduction

What is VoIP, brief review of IP, brief review of telephones, voice and signalling.

• VoIP issues

Bandwidth, Delay, Jitter. Voice coding and compression, packetising voice, comparison of techniques, MOS.IP performance and QoS. The need for QoS, prioritising voice.

• Architectures

Hard phones, soft phones, video phones, desktop, backbone, gateway, integrating analog phones and PCs, carriers, Softswitches.

• VoIP protocol stack

RTP, RTCP. H.323 vs SIP, other signalling protocols.

• H.323

Architecture, Call setup, Gatekeepers.

• SIP

Comparison with H.323, SIP proxy, proxy servers, redirect servers, location servers.

• MGCP and MegaCo

Carrier networks, PSTN breakout, SS7 gateways, MGCP, Megaco.

• IP PBXs

Integrating IP into 'normal' PBXs, IP PBXs, Asterisk. UM, other telephony applications.