Patent ID: 8280027

Claim:
A method comprising: obtaining at least a first part of an input string associated with a dialplan, the input string including at least one character; determining if at least a first potential target string stored in a local cache includes the first part of the input string, the local cache being arranged to store dialed digits and timestamp information, the timestamp information being arranged to indicate times at which the dialed digits were dialed, wherein the at least first target string corresponds to a first set of dialed digits; accessing an external call manager arrangement if it is determined that at least the first potential target string stored in the local cache does not include the first part of the input string, wherein the first part of the input string includes approximately all of the input string, and accessing the external call manager arrangement includes accessing the external call manager using approximately all of the input string; obtaining the actual target string from the external call manager arrangement, wherein obtaining the actual target string from the external call manager arrangement includes obtaining information associated with the actual target string; and adding the first part of the input string to the local cache after accessing the external call manager arrangement, wherein adding the first part of the input string to the local cache after accessing the external call manager arrangement includes storing the actual target string in the local cache.