9. The method of claim 8 , wherein adjusting the set of grammar further comprises calculating, using a group probability unit of the speech recognition engine, for a particular group, a probability that each other group in the communication method is called by users of the particular group based on the group to group calling statistics.
8. A computer implemented speech recognition method in a communication system having one or more groups of users wherein the communication system has a speech recognition engine that generates a set of voice command interpretations based on a voice command of a user and grammar, the voice command including a name of a person, the method comprising: adjusting, using a group unit of the speech recognition engine, the grammar used by the speech recognition engine based on group to group calling statistics, wherein adjusting the set of grammar further comprises gathering, using a call data gathering unit of the speech recognition engine, for each call, a group to which a calling party is assigned and a group to which a called party is assigned to generate the group to group calling statistics for a particular group; and modifying, using the group unit of the speech recognition engine, a weighting of the grammar to facilitate the recognition of a name of a person used in the voice command.