Sony Ericsson T628 Sony Ericsson Developer Support, Infrared transceiver, Connection via infrared

White Paper T630/T628

Sony Ericsson Developer Support

Sony Ericsson offers developers professional tech- nical support services. The service can be pur- chased from the developer web portal, as part of the Sony Ericsson Core and Core+ membership packages or as single support queries. There are two levels of support included in the member- ships:.

The Basic E-mail Developer Support is an annual support service included in the Core membership that provides developers with all the basics to suc- cessfully develop world-class applications for Sony Ericsson products. Developers get access to Sony

Ericsson developer support engineers via e-mail with same-day response, five technical support incidents as well as the ability to purchase more.

The Priority E-mail Developer Support is an annual support service included in the Core+ mem- bership that equips professional developers with everything they need to successfully develop world-class applications for Sony Ericsson prod- ucts. Developers get priority access to Sony Erics- son developer support engineers via e-mail with fast response times and up to 50 technical support incidents.

Infrared transceiver

Infrared communication creates a data link between two communications devices through an infrared beam of light. On the T630/T628, this link is used to connect with desktop computers, PDAs, Sony Ericsson handheld computers, laptop PCs, other phones and other hardware supporting the standard. The Infrared Data Association (IrDA) has set the hardware and software standards that form the infrared communication links. The T630/T628 complies with the IrMC 1.1 specification, which defines how mobile telephony and communication devices can exchange information. In the T630/ T628, the IrMC 1.1 specification is also used for communication via a cable.

Key benefits of using the T630/T628 with its built-in infrared transceiver:

•True wireless communication

•Low power consumption

•Secure data transmission with the IrDA DATA standard

•Ability to send and receive e-mail and data on the connected PC/PDA

•Ability to connect to the Internet or intranet/LAN from the connected PC/PDA

•Ability to manage the phone book from a PC

•Exchange of business cards and calendar events with vCard/vCalendar compatible devices

•Exchange of ring signals between compatible phones

Connection via infrared

IrDA is a point-to-point communication link between two infrared ports. The infrared beam has to be directed towards the target infrared port and as long as the two infrared ports are within sight and range, the devices exchange data. For optimal performance, place the T630/T628 within 20cm from the infrared port on the PC/PDA, or other phone. An advantage of the necessary proximity of devices is reduced risk of transmitting data to other nearby devices. An infrared link is a serial connec-

tion, which means that data bits are sent one after another in a long stream. The IrDA–SIR Data Link Standard is a protocol that makes transmission of data faultless.

37 October 2003