Integrated wireless and private branch exchange communication network

A method of integrating operation of a private telecommunications system with a network to route calls originating from and directed to the private telecommunications system, the method comprising the steps of:

• initially routing a call to the private telecommunications system;
• temporarily suspending the call at the private telecommunications system;
• sending a message to a system operatively connected to the network;
• launching a call routing query to a component of the network;
• receiving at the private telecommunications system call routing instructions from the network in response to the query;
• and
• controlling routing of the call by the private telecommunications system in accordance with the call routing instructions received from the network.

A method of integrating operation of a private telecommunications system with a wireless telecommunications network, the method comprising the steps of:

• programming the wireless network to associate a mobile phone with an extension of the private telecommunications system;
• receiving a call request from the mobile phone at the wireless network;
• launching a call routing query from the wireless network to the private telecommunications system;
• receiving at the wireless network call routing instructions from the private telecommunications system in response to the query;
• and
• controlling routing of the call made by the mobile phone in accordance with the call routing instructions received from the private telecommunications system.

A method of integrating operation of a private telecommunications system with a wireless telecommunications network, the method comprising the steps of:

• initially routing a call to the private telecommunications system;
• temporarily suspending the call at the private telecommunications system;
• determining whether an extension on the private telecommunications system corresponding to the call can receive the call;
• launching a call routing query to the wireless network to determine whether a mobile phone associated with the extension is available to receive the call;
• if both the extension on the private telecommunications system and the mobile phone are available to receive the incoming call, ringing both the extension and the mobile phone;
• and
• connecting the call to whichever of the mobile phone and the extension is answered first.