Measuring blood pressure in a hospital has several drawbacks like "white-coat syndrome", patient is out of his usual environment and one measurement does not reflect changes in blood pressure during the course of the day. We have developed new type of system for monitoring patient’s blood pressure online. System consists of digital NIBP (Non Invasive Blood Pressure) monitor device, Windows Mobile smartphone and personal computer connected to the internet. Wireless mobile blood pressure monitoring device has NIBP measurement module, Bluetooth transmitter and battery. It periodically measures patient’s blood pressure and transmits measurement data to smartphone using Bluetooth wireless link. Smartphone has software for viewing data and controlling device. It is also connected to the internet using cell phone technologies and retransmits data to personal computer over TCP/IP protocol. Server software on personal computer is used for blood pressure data storage and review. This system can be used in telemedicine by patient as personal blood pressure monitor or by doctor on a visit to patient. Measuring blood pressure in a hospital has several drawbacks like "white-coat syndrome", patient is out of his usual environment and one measurement does not reflect changes in blood pressure during the course of the day. We have developed new type of system for monitoring patient’s blood pressure online. System consists of digital NIBP (Non Invasive Blood Pressure) monitor device, Windows Mobile smartphone and personal computer connected to the internet. Wireless mobile blood pressure monitoring device has NIBP measurement module, Bluetooth transmitter and battery. It periodically measures patient’s blood pressure and transmits measurement data to smartphone using Bluetooth wireless link. Smartphone has software for viewing data and controlling device. It is also connected to the internet using cell phone technologies and retransmits data to personal computer over TCP/IP protocol. Server software on personal computer is used for blood pressure data storage and review. This system can be used in telemedicine by patient as personal blood pressure monitor or by doctor on a visit to patient.