# File lib/adhearsion/voip/call.rb, line 202
          def remove_agi_prefixes_from_keys_and_strip_whitespace(variables)
            variables.inject({}) do |new_variables,(key,value)|
              returning new_variables do
                stripped_name = key.kind_of?(String) ? key[/^(agi_)?(.+)$/,2] : key
                new_variables[stripped_name] = key.kind_of?(String) ? value.strip : value
              end
            end
          end