Call management implemented using call routing engine

A call management system comprising:

• means for receiving at a call routing engine a call management request from a first device that the engine provide the first device with a destination label of a second device that is desired to be called by the first device via a network, the second device being identified in the request by a first value;
• and
• means for determining at the engine, in response to the request, the label based, at least in part, upon information correlating the label, the first value and a second value associated with the second device, at least the label and the second value being associated with the second device by the engine during a log-in negotiation involving the engine and the second device.

A call management apparatus comprising:

• a call routing engine that receives a call management request from a first device that the engine provide the first device with a destination label of a second device that is desired to be called by the first device via a network, the second device being identified in the request by a first value;
• and
• the engine determining, in response to the request, the label based, at least in part, upon information correlating the label, the first value and a second value associated with the second device, at least the label and the second value being associated with the second device by the engine during a log-in negotiation involving the engine and the second device.

Computer-readable memory comprising computer-executable instructions that, when executed, cause:

• receiving at a call routing engine of a call management request from a first device that the engine provide the first device with a destination label of a second device that is to be called by the first device via a network, the second device being identified in the request by a first value;
• and
• determining at the engine of the label based, at least in part, upon information correlating the label, the first value and a second value associated with the second device, at least the label and the second value being associated with the second device by the engine during a log-in negotiation involving the engine and the second device.