1. A method, comprising: sending a call prompt message to a user after the user has answered a call, the call prompt message soliciting a user response; receiving a spoken call greeting from the user in response to the call prompt message, the spoken call greeting comprising at least one initial utterance; performing an initial determination as to whether the at least one initial utterance of the spoken call greeting is indicative of a language preference via a first language preference characterization operation; assigning an initial numerical confidence level value to the at least one initial utterance by retrieving and matching at least one pre-stored word or phrase to the at least one initial utterance, wherein the initial numerical confidence level is based on a relative strength of the at least one initial utterance being indicative of the language preference; and confirming the initial determination based on at least one additional utterance spoken after the at least one initial utterance by performing at least one additional language preference characterization operation to the at least one additional utterance spoken.
1. A method, comprising: sending a call prompt message to a user after the user has answered a call, the call prompt message soliciting a user response; receiving a spoken call greeting from the user in response to the call prompt message, the spoken call greeting comprising at least one initial utterance; performing an initial determination as to whether the at least one initial utterance of the spoken call greeting is indicative of a language preference via a first language preference characterization operation; assigning an initial numerical confidence level value to the at least one initial utterance by retrieving and matching at least one pre-stored word or phrase to the at least one initial utterance, wherein the initial numerical confidence level is based on a relative strength of the at least one initial utterance being indicative of the language preference; and confirming the initial determination based on at least one additional utterance spoken after the at least one initial utterance by performing at least one additional language preference characterization operation to the at least one additional utterance spoken. 5. The method of claim 1 , further comprising: receiving a subsequent spoken call response including the at least one additional utterance from the user after the spoken call greeting; and determining whether the spoken call response is indicative of a language preference based on content of the at least one additional utterance.