Life is an exercise to express the InExpressible.
Once you start expressing yourself completely, there will be no difference between the expresser and the expression.
Words are powerful enough to change Mind, Life, and the World.
VOIP (Voice over internet protocol) The trending technology of present and near future. I have spent months of efforts on voip , its a huge topic so to minimize your time and also to refresh my voip skills , I have decided to write this blog. Main Topics covered :- SIP (session initiation protocol) ASTERISK (open source voip server platform) SIP is a part of Application layer (fig1) in TCP/IP , its major function is to initiate/terminate a sip session and transfer it to TCP/UDP for transmission. In simple terms it holds the FROM and TO addresses in a post , the rest is carried using TCP/IP protocol. fig1 : SIP in TCP/IP The basic operation of SIP is an INVITE and ACK via proxy, once the opposite Sip phone B accepts the call, a media session is established. Its simple as shown in fig 2. The proxy might be a VOIP services provided by certain websites such as www.linphone.org , SIP2SIP.info etc or it...
Most Important Node.js Modules NodeBootstrap Node app skeleton with best practices sprinkled all over Connect Middleware Nodejitsu Nodeapps sample apps Nodejitsu Open Source open-source projects from Nodejitsu Eric Elliott's List Joyent's Catalogue of Node modules BestieJS - A collection of modules/libraries that promote solid browser/environment support, ES5 precedents, unit testing, and documentation. Express Web-framework for Node.js Async.js - Asynchronous (and functional programming) utilities for Node.js and browser Koa.js - Expressive middleware for node.js using generators, created by the same people as Express.js Step An async control-flow library that makes stepping through logic easy Grunt task-based command line build tool for JavaScript projects Gulp streaming, DSL-based build system. Passport Powerful authentication middleware for Node.js Connect ...
WEBRTC WebRTC is a great technology, but it may not fit everywhere and you should understand what you are doing if you decided to use it. WebRTC is very appealing as a vehicle to extend the reach of IMS services. WebRTC is available in five popular browsers in production state: Google Chrome; Opera; Mozilla Firefox; Chrome Android; Firefox Android. WORKING WITH WEBRTC :- 1. GetuserMedia API It access the camera and microphone of devices -------------------------------------------- 2. Peer connection API It exchanges various protocols for transmitting data/video from one peer to another peer...
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