From our perspective there is no difference between a medium business and a large business that only has a single site. All the features, advantages and disadvantages that applies to a medium business also applies here, with the only difference being that each distinct office now gets it's own PABX. The following is in addition to those listed under medium business.
- Inter-branch transfers.
- Direct extension calls between branches.
- Free inter-branch calls.
- Monitoring (idle/ringing/busy) of extensions at remote branches not currently possible.