Course Title:

VoIP in Mobile Networks

Duration:

2 Days

Cost:

£675

Synopsis:

This course provides a detailed technical description of key VoIP protocols and procedures with a particular emphasis on their use in Mobile Cellular Networks. QoS considerations and bandwidth reservation techniques are discussed, with call setup and bearer negotiation procedures presented in detail. Several protocols are used within the classroom environment, with delegates configuring and establishing calls using simple H.323 and SIP applications. Call-sequences taken from both mobile and fixed networks are analysed with key parameters and messages isolated and examined

Pre-requisites:

Basic appreciation of Mobile Network architecture

Content Outline:

Introduction to VoIP

Delay, Jitter, Packet loss and Mis-sequencing

The Roles of TCP and UDP for VoIP

RTP and RTCP

VoIP Signalling Requirements

H.320 VoIP Network Architecture

H.323 / H.225 / H.245 Protocols and Procedures

H.323 call setup and termination 

Session Initiation Protocol (SIP)

SIP server roles

SIP / SDP protocol details and procedures

SIP call setup procedures 

Interworking SIP / H.323 / PSTN / Mobile

DPNSS / Q.931

End-to-End call setup 

VoIP in the Mobile RAN

Media Gateways in the Mobile Network

VoIP in the Mobile Core Network

Mobile / Fixed Signalling Gateways

VoIP over HSPA

IMS overview