VoIP in 5 VoIP in 5 minutesminutes

- Kevin Withnall (ILB)- Kevin Withnall (ILB)

OutlineOutline

Who ILB isWho ILB is What VoIP isWhat VoIP is Concepts to understandConcepts to understand The GoodThe Good The BadThe Bad How VoIP can save moneyHow VoIP can save money How VoIP can add valueHow VoIP can add value

Who ILB isWho ILB is Running since 1993Running since 1993 About 10 people full timeAbout 10 people full time Software DevelopmentSoftware Development Network MaintenanceNetwork Maintenance Carbon neutral for 6 yearsCarbon neutral for 6 years I have dCAP #1360I have dCAP #1360 Stated Company GoalsStated Company Goals

Community WelfareCommunity Welfare Environmental WelfareEnvironmental Welfare Staff WelfareStaff Welfare

What VoIP isWhat VoIP is

Any voice over IP networksAny voice over IP networks Asterisk, Skype, MSN, Google Talk etcAsterisk, Skype, MSN, Google Talk etc Using SIP, IAX2 etcUsing SIP, IAX2 etc Uses Codecs to compress voice Uses Codecs to compress voice

(G.711au, G.729, gsm, speex etc)(G.711au, G.729, gsm, speex etc) Simply converts audio to digital stream Simply converts audio to digital stream

and sends as packetsand sends as packets Mostly covering Asterisk hereMostly covering Asterisk here ““Its just software”Its just software”

What I mean by VoipWhat I mean by Voip

Concepts to understandConcepts to understand

TrunksTrunks To ProvidersTo Providers SIP, IAXSIP, IAX ISDN (Pri and BRI)ISDN (Pri and BRI)

ExtensionsExtensions In-Line ISDN configurationsIn-Line ISDN configurations

The GoodThe Good Users don’t need to care what technology they are usingUsers don’t need to care what technology they are using Least cost routingLeast cost routing Not locked in to technology, can use softphones, physical Not locked in to technology, can use softphones, physical

phones, mobiles etcphones, mobiles etc Foreign trunksForeign trunks FeaturesFeatures

FoIPFoIP VoicemailVoicemail IVRIVR DISADISA automated calls (alarms, evac systems)automated calls (alarms, evac systems)

Config your own system with a browserConfig your own system with a browser MOH is easyMOH is easy AGI, AMI – Integrate to your programsAGI, AMI – Integrate to your programs

The BadThe Bad

JitterJitter Non deterministic routing, latency, Non deterministic routing, latency,

delaysdelays Traffic SharingTraffic Sharing Spending the whole call saying ‘can you Spending the whole call saying ‘can you

hear me now’hear me now’ People are very intollerant of voice People are very intollerant of voice

dropouts on ‘normal’ phones.dropouts on ‘normal’ phones. Relies on more SPOFs than traditional Relies on more SPOFs than traditional

phone systemsphone systems

How VoIp can save How VoIp can save moneymoney

MUCH cheaper callsMUCH cheaper calls International TrunksInternational Trunks Free Branch to Branch callsFree Branch to Branch calls Easier to budget (a higher ratio of Easier to budget (a higher ratio of

fixed costs)fixed costs) Remote hosting of voip services, no Remote hosting of voip services, no

traditional trunks neededtraditional trunks needed

How VoIp can add valueHow VoIp can add value

Not geographically importantNot geographically important Extremely scalableExtremely scalable Staff in remote areas with differing Staff in remote areas with differing

skill setsskill sets Happier staff – work from home, Happier staff – work from home,

flexible hoursflexible hours Features. Anything you want to do, it Features. Anything you want to do, it

can do.can do.

ConclusionConclusion

If Voice calls are costing you money, If Voice calls are costing you money, VoIP can helpVoIP can help

If most of your costs are for other If most of your costs are for other than voice, it may not help the than voice, it may not help the bottom line directlybottom line directly

If you need a more flexible, future If you need a more flexible, future proof system, this can helpproof system, this can help

Where to go nextWhere to go next

Email me if you want to know more.Email me if you want to know more. kevin@ilb.com.aukevin@ilb.com.au

Download and install Download and install www.asterisknow.orgwww.asterisknow.org

Visit ILB for a demoVisit ILB for a demo Come to an ILB ‘Telephony’ Come to an ILB ‘Telephony’

introduction evening.introduction evening.