文章目錄 Base Station AntennasThe Mobile PhoneIntroductionAbsorption of RFR from a Mobile PhoneExposure to RFR Emitted by a Base Station Antenna Thermal EffectComparison with Heating by ConductionComparison with Heating by Infra Red
ineen:網路社團的好工具 Skype這個網路電話+即時通訊的工具很不錯,不過作為網路社團來說,5個人的會議限制多少讓人感到美中不足。 Robin Good介紹了一款可以支援更多人線上會議的工具:ineen ineen能夠同時支援10個人的語音會談。更奇妙的在於,ineen能夠將會議串連起來,組成更大的分布式會議,比如我召集了一個十人的會議,而參與會議的某個人在召集一個十人會議,這樣這個會議就有20人。理論上似乎可以支援更多的人下去。
The cooperation between Skype and Netgear will finally put the topic in front of all telecos, to block or not to block.The new-born from Skype is definately going to take some shares of voice market. But the traditional PSTN will still be profitable
H.323 to SIP Call In this example, a H.323 terminal calls a SIP-enabled PC through a H.323/SIP gateway. The gateway does signaling translation between the protocols but allows the two end points to exchange media packets directly with each other.
News This section is for news, ie news reports, press releases, product release announcements etc. Research: Peer-to-Peer Internet Telephony using SIP PDFIconv application module for character conversion.Version 0.9.2 of LDAPget application module
文章目錄 Tim Yang在他的日誌15 things you can do with RSS中闡述了利用RSS可以為我們完成的十五件事情,整理了一下,大致如下...... 從多個新聞源即時擷取資訊,即所謂的Feed on Feeds,比如這個,不過不支援漢字,國人還是用國貨吧。 從多個郵箱中收取郵件,諸如MailBucket、dodgeit的郵箱、Mailinator的郵箱,乃至Gmail的郵箱都支援RSS輸出
文章目錄 RTP Stacks (mainly open source C/C++ stacks)SIP StacksRTP ApplicationsSIP Phones (SIP User Agents)SIP Test UtilitySIP Applications (Proxy, Location Server)Sip Express Router (ser)Ser Media Server (sems)STUN server and
SIP to PSTN Call Through Gateway In the example shown in , the calling SIP phone places a telephone call to the PSTN through a PSTN gateway. The SIP phone collects the dialed digits and puts them into a SIP URI used in the Request-URI and the To