I disagree, we rolled out a full new phone system last year. 100+ handsets. We looked at soft-phones and determined for our user base it was to hard and not cost effective with the reasons being
1. End users don't have company provided mobile phones and asking user to install company app's on personal devices creates massive backlash.
2. Because of the above point you suddenly need to supply headsets for each user to use with their laptop so whole offices are not hearing private calls, this is more expensive than buying a shared handset for an office.
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