VoIP Terminology Explained
April 9th, 2008
Call Logging – Reports can be produced for calls either from an extension or to a specific number.
Call queues – allow many lines to be held with your message prompts.
Call recording – Calls from extensions can be recorded by the phone system for use later.
CLI - caller line identification – allows you to see who is calling you before you lift the receiver.
DDI – Direct Dial In – An external phone number rings an extension directly
DID - Direct Inward dialling – Same as DDI
Digital receptionist – can route calls through to the correct department with ease.
Exchange Unified Messaging (UM) – Microsoft (R) Exchange provides for Voice Mail in exchange mail.
Integrated fax server – Users can receive and send faxes using Windows (R) Computers
IP – Internet Protocol – The language that all computers use over the internet.

ISDN – Integrated Services Digital Network – Digital Lines supplied as 2 or 30, allows for clearer speech and more features like DDI
Music on hold – when you want to transfer a call music, or indeed an advert, is played to your caller.
Night Service – Allows ringing patterns to change at a particular time of the day.
PBX - Private Branch eXchange – Is a telephone exchange that serves a business or office
PSTN – An analogue phone lines
Remote acces
s or working from home is easily configured, allowing calls to be made and received from anywhere you are.
SIP – Session Initiation Protocol – Allows different types of IP Telephony to communicate seamlessly
Voice mail integrated with email - means that when a message is left for you an email is sent to your chosen email address.
VoIP – Voice-over-Internet protocol – Used by all IP Telephones to make calls over the internet.
VOIP enabled - giving you the power of the internet to communicate easily to you customers
