TAILIEUCHUNG - emerging wireless multimedia services and technologies phần 8

PEF mỗi cài đặt các bộ lọc tương ứng, các báo cáo sang định dạng PDF và thông báo cho UE rằng bối cảnh PDP đã được kích hoạt. Tại thời điểm này đặt các nguồn lực được hoàn tất, nhưng cửa đóng lại, kể từ khi phiên đã không được thành lập. | 302 Multimedia Messaging Service MMS that ease the exploration of contents. As for sending and receiving MMS in a person-to-person context using it will be of a degree of complexity similar to that of SMS. Note that the current success of SMS relies exactly on the ease of use and management of SMS. Moreover usability refers to the easy use of the MMS technology by a customer without their knowing the complex technological processes that are behind this service. Hence it is important to allow the personalization of the user interface to be as friendly as possible in order to permit the user to exploit completely the potentialities of MMS. MMS Format When an MMS is sent it is forwarded as a Protocol Data Unit PDU as described in the subsection below. The structure of a PDU is standardized by the WAP Forum now OMA in the WAP-209-MMS encapsulation specification 11 . MMSPDU MMS uses several types of PDUs to perform transactions that are described in Section . Here the contents of the PDUs are described. The PDU of an MMS consists of a header that contains specific information about message transactions and a body. The message body may contain any content type such as text image audio and video. The message body is used only when an MMS is sent or retrieved. All other PDUs contain only the header. In the MMS body every part needs a further header with the related content type . image text etc. and content location . 12 such segmentation is called Multipart Message MM as shown in Figure . MM header MM body Figure MMS PDU format. Below are described some different fields that may be present in the MM header 13 X-Mms-Message Type specifying the transaction type X-Mms-Transaction-ID identifying univocally the message X-Mms-Version specifying the MMS version used for this message To From about the sender and the recipient of the message Subject of the message Date of the message transaction Content-Type defining the .

• Kỹ thuật lập trình
• kỷ năng lập trình
• lập trình ứng dụng
• lập trình windows
• thủ thuật máy tính
• mẹo cho máy tính
• bí quyết lập trình
• thiết kế web
• lập trình web
• lập trinh dotnet
• tạo hiệu ứng web