Phone System Roadmap

P ublic S witched T elephone N etwork

Public Switched Telephone Network ,[object Object],[object Object],[object Object]

The Central Office ,[object Object]

The Local Loop ,[object Object],[object Object]

Demarcation Point ,[object Object],Residential demarc Business demarc

Analog Line ,[object Object],[object Object],[object Object],[object Object]

Digital Line ,[object Object],[object Object],[object Object]

IP Line ,[object Object],[object Object]

Common VoIP Services in use Today ,[object Object],[object Object],[object Object]

Common VoIP Services in use Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Private Branch Exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Private Branch Exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Voicemail ,[object Object],[object Object],[object Object],[object Object]

Voicemail Features ,[object Object],[object Object],[object Object],[object Object],[object Object],iPhone with visual voicemail

Power over Ethernet ,[object Object],[object Object],http://searchnetworking.techtarget.com/definition/Power-over-Ethernet

Digital Phone ,[object Object],[object Object],[object Object]

Analog Phone ,[object Object],[object Object],[object Object]

IP Phone ,[object Object],[object Object],[object Object]

Put everything together and it looks like…

Phone System Roadmap

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Phone System Roadmap