VoIP & IP telephony demystified

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

VoIP and IP Telephony training course details

Anyone, although the course is particularly aimed at non-technical personnel needing some knowledge of VoIP.

Network fundamentals

1 day

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

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

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

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

Architecture, Call setup, Gatekeepers.

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

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

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