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presence

  • Person-to-person realtime IP communications, like presence, VoIP and video applications, offer clea

    Person-to-person realtime IP communications, like presence, VoIP and video applications, offer clear benefits for the enterprise as time- and money-savers. Unified functionality is now available, where all of the above are integrated into one streamlined application and interconnect with other networks. This creates a very important business tool and usage is increasing.

    標(biāo)簽: Person-to-person communications applications realtime

    上傳時(shí)間: 2015-06-28

    上傳用戶:維子哥哥

  • Integrated Services in the presence of Compressible Flows

    Integrated Services in the presence of Compressible Flows

    標(biāo)簽: Compressible Integrated Services presence

    上傳時(shí)間: 2015-07-05

    上傳用戶:lhc9102

  • 有關(guān)IMS SIP及presence應(yīng)用的RFC文檔包

    有關(guān)IMS SIP及presence應(yīng)用的RFC文檔包

    標(biāo)簽: presence IMS SIP RFC

    上傳時(shí)間: 2015-09-29

    上傳用戶:zhuoying119

  • jsip開發(fā)文檔,對于開發(fā)SIP軟電話和presence服務(wù)很有用

    jsip開發(fā)文檔,對于開發(fā)SIP軟電話和presence服務(wù)很有用

    標(biāo)簽: presence jsip SIP 文檔

    上傳時(shí)間: 2014-01-21

    上傳用戶:tianyi223

  • DS1820 C51 子程序 (一線數(shù)據(jù)傳輸)

    //芯片資料請到www.elecfans.com查找 //DS1820 C51 子程序//這里以11.0592M晶體為例,不同的晶體速度可能需要調(diào)整延時(shí)的時(shí)間//sbit DQ =P2^1;//根據(jù)實(shí)際情況定義端口 typedef unsigned char byte;typedef unsigned int  word; //延時(shí)void delay(word useconds){  for(;useconds>0;useconds--);} //復(fù)位byte ow_reset(void){  byte presence;  DQ = 0; //pull DQ line low  delay(29); // leave it low for 480us  DQ = 1; // allow line to return high  delay(3); // wait for presence  presence = DQ; // get presence signal  delay(25); // wait for end of timeslot  return(presence); // presence signal returned}     // 0=presence, 1 = no part //從 1-wire 總線上讀取一個(gè)字節(jié)byte read_byte(void){  byte i;  byte value = 0;  for (i=8;i>0;i--)  {    value>>=1;    DQ = 0; // pull DQ low to start timeslot    DQ = 1; // then return high    delay(1);  //for (i=0; i<3; i++);     if(DQ)value|=0x80;    delay(6); // wait for rest of timeslot  }  return(value);} //向 1-WIRE 總線上寫一個(gè)字節(jié)void write_byte(char val){  byte i;  for (i=8; i>0; i--) // writes byte, one bit at a time  {    DQ = 0; // pull DQ low to start timeslot    DQ = val&0x01;    delay(5); // hold value for remainder of timeslot    DQ = 1;    val=val/2;  }  delay(5);} //讀取溫度char Read_Temperature(void){  union{    byte c[2];    int x;  }temp;   ow_reset();  write_byte(0xCC); // Skip ROM  write_byte(0xBE); // Read Scratch Pad  temp.c[1]=read_byte();  temp.c[0]=read_byte();  ow_reset();  write_byte(0xCC); //Skip ROM  write_byte(0x44); // Start Conversion  return temp.x/2;}

    標(biāo)簽: 1820 C51 DS 程序

    上傳時(shí)間: 2013-11-03

    上傳用戶:hongmo

  • 電池組電壓測量的研究

      Automobiles, aircraft, marine vehicles, uninterruptiblepower supplies and telecom hardware represent areasutilizing series connected battery stacks. These stacksof individual cells may contain many units, reaching potentialsof hundreds of volts. In such systems it is oftendesirable to accurately determine each individual cell’svoltage. Obtaining this information in the presence of thehigh “common mode” voltage generated by the batterystack is more diffi cult than might be supposed.

    標(biāo)簽: 電池組 電壓 量的研究

    上傳時(shí)間: 2013-10-24

    上傳用戶:kang1923

  • This little program shows how to use COM technology in Win32Asm. When it s run it lets the user fr

    This little program shows how to use COM technology in Win32Asm. When it s run it lets the user freely decide about the presence of the program with the WS_EX_TOOLWINDOW style on the taskbar. The main goal is to show the easiest possible example instead of killing people with the details about virtual tables, polymorphism, inheritance and using nested macros etc., etc.

    標(biāo)簽: technology program little shows

    上傳時(shí)間: 2015-05-03

    上傳用戶:kernaling

  • KphoneSI (kpsi) is a SIP (Session Initiation Protocol) user agent for Linux, with which you can in

    KphoneSI (kpsi) is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet, send Instant Messages, subscribe your friends presence information and start other applications of your choice

    標(biāo)簽: Initiation KphoneSI Protocol Session

    上傳時(shí)間: 2015-09-13

    上傳用戶:sy_jiadeyi

  • 一個(gè)支持眾多rfc的開源sip協(xié)議棧

    一個(gè)支持眾多rfc的開源sip協(xié)議棧,包括presence應(yīng)用,SIMPLE。

    標(biāo)簽: rfc sip 開源 協(xié)議棧

    上傳時(shí)間: 2015-09-29

    上傳用戶:llandlu

  • 使用開源SIP協(xié)議棧編寫的一個(gè)小測試程序

    使用開源SIP協(xié)議棧編寫的一個(gè)小測試程序,包括UA和UAS兩部分,完成最基本的publish會(huì)話。注:簡單起見,publish沒有設(shè)置消息體。 PJSIP,一個(gè)用C編寫,功能強(qiáng)大的開源SIP協(xié)議棧,采用優(yōu)秀的內(nèi)存分配機(jī)制編寫,運(yùn)行速度快,支持IM、presence、PIDF、rPIDF等最新RFC,可以用來實(shí)現(xiàn)各種SIP應(yīng)用。 PJSIP下載見本站。

    標(biāo)簽: SIP 開源 協(xié)議棧 編寫

    上傳時(shí)間: 2013-12-20

    上傳用戶:hoperingcong

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