Patent ID: 8811383

Claim:
A method of placing an outgoing communication event to a destination phone number, comprising: receiving a notification of the outgoing communication event from an end user terminal; responsive to determining that the destination phone number is associated with a user of a first network, the first network being a packet based communication network: retrieving a user identification of the user of the first network corresponding to the destination phone number; retrieving presence information of a communication node in the first network associated with the user, the presence information comprising an indication of the user's availability and the configuration of the communication node to receive communication events; placing the outgoing communication event, using the retrieved user identification, to the communication node associated with the user in the first network based on the retrieved presence information; responsive to determining the destination phone number is not associated with any user in the first network: assigning a temporary outgoing identity to the end user terminal; and placing the outgoing communication event, using the temporary outgoing identity, to the destination phone number, in a second network.