... international call, international roaming, national roaming, call forwarding, call restriction, call holding, call waiting, voice mail, fax data, calling line identification, calling line identification ... transaction points are also the supporting point of Vinaphone Besides the official transaction office, Vinaphone has thousand of retailers which is developed by each provincial VNPT, example Ha ... next phase, customer loyalty measured by incorporating behavioral and attitudinal simultaneously A sustainable loyalty could only be attained when customers enjoyed a high level of positive attitude...