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What is VoIP, and how important is it to SMEs?
Transcript of What is VoIP, and how important is it to SMEs?
Telephony Switchboard VoIP Book How important is it to SMEs? Colman Carpenter Voicespan About Me IT for 20+ years IBM "Mid-Range" CRM Consultant Lotus Notes Free/Cheap Open-Source VoIP-enabled Telephone Systems
Installation/Training Wordpress Website Design
Collaboration Services (Google Apps)
Available from Amazon! PBX (Private Branch Exchange) Internal and External Calls
Key Systems or Automatic
Analogue or Digital - dedicated wiring Handsets Dover Castle - 'Secret' Wartime Tunnels What is VoIP? Voice over Internet Protocol Benefits Cost Savings Centralised
Management Integration Flexible Working What is it? ? TCP v UDP "One byte at a time" The Internet (aka Internet Telephony) PBX = VoIP Switchboard Domestic and very
small business providers There are MANY more Single cable network
Reduced line rental
Lower long-distance call charges
Free inter-office calls CTI
Least Cost Routing Work from home
Local numbers IP Telephone VoIP Software USB Handset Analogue
Phone + Adapter End-user Devices End-user Devices Analogue Phone + ATA
'Soft' phone Comms Lines VoIP Account (Internet)
Analogue PSTN (POTS)
Digital PSTN (ISDN)
Mobile network What do you need? VoIP Account
DID (phone no.)
Billing (normally pre-pay) Endpoint
ATA aka Endpoints Internet Circuit
Good Quality! PBX
Hosted by VoIP provider
Hosted by you
VoIP Prioritisation Latency Time Low avg latency, high jitter Higher latency, low jitter Data circuit quality Single Bill
Merge IT and Telephony Support Echo threshold is 300ms One more option! Ensuring Quality Connected Devices
Music Player Applications
etc Oh, and VoIP! The Problem The Solution Prioritise VoIP Separate
Traffic QoS One circuit for VoIP
One circuit for everything else Prioritise VoIP traffic over everything else QoS only works on the section of
the network that you control
(i.e. on your side of the router)