At first, VoIP IP Telephony designs only took on-premises networks into account. This means you had to install IP PBX equipment locally.
As VoIP evolved and cloud technology took over local infrastructures, hosted VoIP was introduced.
Here is a list of differences between traditional PBX telephony and a hosted PBX VoIP System:
Traditional Telephone
Hosted VoIP
Phone Number Setup
Registration takes days or weeks
Setup requires onsite presence
High fees for number
registration
Numbers available only in your area code
Toll numbers expensive
Registration takes minutes to hours
Setup does not require onsite presence
Minimal to zero fees for number registration
Any area code in the world or toll number
Can port number
Number Portability
Can take days to put on service
Easy and quick process
Mobility
Transfer calls to a home or mobile number
Stay reachable with the same number on any connected device (softphone)
Conferencing
Complex setup
Voice quality degrades when more people join
Bridge maintenance requires skills and time
Easy bridge setup
Managed with desktop software or web-based console
Billing
Less price flexibility
Calls billed upon length of wire rented and minutes spent
Adding features is expensive
Pay-as-you-go plans that fit your needs
Low to zero call costs, pools of minutes offered
Most popular features included, addon costs are fair
Equipment
Costly PBX equipment needed
on-premises
Hosted VoIP does not require any on-premises equipment
Usage and Maintenance
Provisioning by the provider
Complex scaling
Self-service dashboard for provisioning
Easy scaling
COMMbits Cloud PBX
Always-On, Complete and Reliable Cloud PBX Business IP Telephony System Delivered Right from the Cloud
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