VoIP-News: Premise IP-PBX Checklist
Everything you'll need to know before talking with a premise PBX provider.
Questions addressed in this white paper:
How many remote or mobile users do you have that will not have a local office?
Do you use conference calls - how large and across how many locations?
Do you need integrated voice response (voice menus)?
How fast are you going to need to grow the system and how frequently?