Fix phone number filter. noref

Fixes error:

exception 'SoapFault' with message 'Unable to process request.  Message failed validation.  The 'http://Hps.Exchange.PosGateway:CardHolderPhone' element is invalid - The value '903.123.1234' is invalid according to its datatype 'http://Hps.Exchange.PosGateway:phoneType' - The Pattern constraint failed.  (line#2,pos#909)'