The service for determining from which number a client has called. This helps to decide how to answer on the incoming call. A telephone company sends DNIS number to the telephone client’s system during establishing connection. As a rule, DNIS number consists from 4 to 10 digits.
Hosted PBX service provider in Canada.
http://pbx.tieus.com
Only $16.95/mo, unlimited calling to 20 major Canada Cities.
unlimited calling for your cell phone
http://www.magicnumber.ca