voIP vs ISDN

voIP vs ISDN

Phone systems comparison chart

20-user Phone
System (36 month comparison)
Callcloud   Traditional On-Premise
PBX Systems
Up-Front Cost      
On-premise hardware – PBX, server cards £0   £2,000
One-time phone cost FREE   £2,000
Setup, implementation and upgrades FREE   £1,500
Number transfer/Porting FREE   FREE
Remote Configuration and training FREE   £500
Integrations with Box, GoogleDrive,
FREE   Not available
Monthly Costs      
PBX software licenses £0   £100
Monthly user licences
including all uk calls unlimited.
(20 users)
£309.60   Not available
Line Rentals (based on 8 lines) FREE   £120
Metered minutes N/A   £100
Fax FREE   £50
Local numbers for 20 users FREE   £40
Freephone number and minutes FREE   £50
24/7 Customer support2 FREE   Not included
Mobile app for iPhone and Android FREE   Not available
Conferencing *based on 5 calls per month @ £18 FREE   £90
Ongoing system management
and configuration
FREE   £60 per month
in year 2
Service contract No contracts required   Contracts required and
early termination fees
Total Monthly Cost £309.60   £550
Total cost after 12 months £3,715   £12,700
Total cost after 24 months £7,430   £26,600
+ ongoing remote management charge
Total cost after 36 months £11,145   £39,540
+ ongoing remote management charge
Total saving over 36 months
with Callcloud

28% Saving


Without savings

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