Since its inception IP PBX has helped thousands of businesses save up to 80% on their phone bills with improved phone bills.
For small to medium sized businesses with between 5 and 100 employees, it is a cost effective business telephony solution. Business VoIP is one of the fastest growing areas and is expected to account for more than 1.7 million lines and $1 billion in market size in 2007 according to Forrester Research.
Previously there has not been too much demand from large companies to move to business VoIP solutions. The reason being they have usually already paid a substantial amount of money for their PBX. Not just this, they have the misconception that they would have to throw away their PBX to move to IP PBX. But the case is other way around, there are many Business VoIP plans that actually make use of the circuit switched PBX.
For small and medium size office environments IP PBX technology tend to work well.