1. Image 要求device可支持的最大分辨率:160*120 pixels--Image Basic 640*480 pixels--Image Rich, Video Basic and Video Rich 可支持的字节数(kb):30--text; 30--basic image; 100--rich image;100--basic video; 300--rich video
2. PIM(Personal Information Management) 可作为附件传送 vCard version 2.1 (mime-type: text/x-vCard) vCalendar version 1.0 (mime-type: text/x-vCalendar)
3. Video 4. DRM 可支持DRM forward lock 格式、DCF 格式 DCF mimetype: application/vnd.oma.drm.dcf fowardlock: application/vnd.oma.drm.message
例子1(forward lock):
From:user@example.com To:+40123456789/TYPE=PLMN Subject:Hi! X-MMS-Version:1.0 Content-Type:multipart/related;boundary=ID_1234567 --ID_1234567 Content-Type:application/smil <smil> : </smil> --ID_1234567 Content-Type:application/vnd.oma.drm.message;boundary=PUTJTBYRBYTYBV Content-Location:drmimage.dm --PUTJTBYRBYTYBV Content-Type:image/jpeg Content-Transfer-Encoding:binary XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX --PUTJTBYRBYTYBV-- --ID_1234567--
例子2(DCF): From:customer@mmsprovider.com To:anothercustomer@anothermmsprovider.com Subject:MMS message with DRM content X-MMS-Version:1.2 ...[More MMS headers] Content-Type:multipart/related;boundary=firststring;start=secondstring --firststring Content-ID:secondstring Content-Type:application/smil ...[SMIL doc] --firststring Content-ID:same-reference-as-in-SMIL-doc Content-Type: application/vnd.oma.drm.dcf ...[DCF containing Content-ID:same-reference-as-used-in-associated-ROs] --firststring--
5. SMIL(Synchronized Media Integration Language) 当MM内容包含SMIL格式的表现层时,content type必须为application/vnd.wap.multipart.related,否则使用application/vnd.wap.multipart.mixed
例子1(包含两个slide,其中一个包含一段video) <smil> <head> <layout> <root-layout height="200" width=”176" /> <region id="Image" height="144" width="176” /> <region id="Text" height="56" width="176" fit="scroll" /> </layout> </head> <body> <par dur="20000ms"> <video src="videoclipname.3gp" region="Image" /> <text src="Text1.txt" region="Text" /> </par> <par dur="2000ms"> <img src="image.gif" region="Image" /> <text src="cid:Text2" region="Text" /> </par> </body> </smil>
例子2(包含3个slide):
<smil> <head> <meta name="title" content="mms" /> <meta name="author" content="John Smith" /> <layout> <! --This an "landscape" screen (2*qcif)--> <root-layout width="352" height="144"/> <region id="Image" width="176" height="144" left="0" top="0" /> <region id="Text" width="176" height="144" left="176" top ="0"/> </layout> <!-- <layout> // This is a "portrait" screen --> <!-- <root-layout width="176" height="216"/> --> <!-- <region id="Image" width="176" height="144" left="0" top="0" /> --> <!-- <region id="Text" width="176" height="72" left="0" top ="144"/> --> <!-- </layout> --> </head> <body> <par dur = "8000ms"> <img src = "FirstImage.jpg" region="Image" /> <text src = "FirstText.txt" region="Text" /> <audio src = "FirstSound.amr"/> </par> <par dur = "7000ms" > <img src = "SecondImage.jpg" region="Image" /> <text src = "SecondText.txt" region="Text" /> <audio src = "SecondSound.amr"/> </par> <par dur = "4000ms" > <img src = "ThirdImage.jpg" region="Image"/> <text src = "ThirdText.txt" region="Text"/> <audio src = "ThirdSound.amr"/> </par> </body> </smil>
6. Text UTF-8 and ASCII(lower half of ISO8859-1 7. Audio 必须支持AMR-NB or 13K

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