Patent ID: 7620164

Claim:
A method for providing extension management in a communication network, comprising: processing a first phone call using a Terminal Adaptor (TA) having only a single assigned telephone number, where said TA is connected to a plurality of extension telephones; processing a second phone call simultaneously using said TA, where said first phone call and said second phone call are connected to at least one of said plurality of extension telephones via said TA; receiving a flash hook signal from one of said plurality of extension telephones that is off hook and is actively engaged in said first phone call; placing said first phone call on hold; and connecting said one of said plurality of extension telephones that is off hook to said second phone call that is actively engaged with another extension telephone from said plurality of extension telephones, wherein said connecting further comprises: sending an audible tone to said another extension telephone for indicating that said one of said plurality of extension telephones that is off hook is joining said second phone call; or sending a request to said another extension telephone for indicating that said one of said plurality of extension telephones that is off hook is requesting to join said second phone call.