Patent ID: 7764960

Claim:
A method for providing communication service, comprising: determining that a first call is active between a wired base and a communication device, the wired base coupled to a wireless handset, the wired base associated with a plurality of communication addresses such that calls placed to at least one of the plurality of communication addresses are routed to the wired base instead of the wireless handset and cause the wired base to indicate an incoming call to a user without using the wireless handset; placing the first call on hold by the wired base; associating the first call with a call identifier; detecting that the wireless handset has been decoupled from the wired base; in response to detecting that the wireless handset has been decoupled from the wired base, identifying one or more of the plurality of communication addresses to be associated with the wireless handset such that calls placed to the one or more communication addresses are routed to the wireless handset instead of the wired base; transmitting a registration to a registrar, the registration identifying the wireless handset and one or more of the identified communication addresses; and in response to detecting that the wireless handset has been decoupled from the wired base, retrieving the first call with the wireless handset based on the call identifier.