Session Initiation Protocol or SIP


Session Initiation Protocol or SIP is a network protocol for setting up, controlling and terminating a communication session between two or more participants. Previously we published What is SIP Trunking - SIP Trunking is based on Session Initiation Protocol (SIP). The protocol inter alia is in the RFC 3261 specification. In the IP telephony, Session Initiation Protocol or SIP is a commonly used protocol. Unlike H.323, Session Initiation Protocol or SIP is developed by IETF. H.323 can be greatly simplified as ISDN over IP. While this allowed particular PBX manufacturers, relatively quick and to switch the communication on IP networks, but on the other hand, the strengths and weaknesses of IP networks have not been considered enough. This is particularly apparent in connection with NAT, firewalls and especially in the retail networks (e.g. DSL routers ) – the necessary translation of network addresses, which can be achieved in H.323 only with much effort.…



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Red Hat Cloud : Why The Progress is Logarithmic Scale

Red Hat has always stood out as the reference point in the scenario Open Source, thanks to continuous contributions to the open source community and at the same time it in recent years one of the key for the companies in the development of new with architectures is open source. And recent release of OpenShift source code, has made the progress of Red Hat Cloud that is OpenStack to progress in logarithmic scale. The conference will provide the code of Red Hat’s PaaS offering, and it will developers how to take it and it on OpenStack.

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Flower Photography : Advanced Tips and Tricks

Flower Photography is a nice special niche of nature photography because a good photograph of flower bears various meanings underneath. Here are more . We delivered some basic tips on Flower Photography in the very previous article. As possibly clear from the previous article, you will need to avoid some of the problems inherent in this flower photography segment and also try to push your original ideas, avoiding to the usual photos of flowers.…

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How those Facebook “who viewed my profile” Apps Works

How those “who viewed my profile” Apps Works to steal your data ? Where is the proof that these “who viewed my profile” Apps are fully fake and scams ? How those Facebook “who viewed my profile” Apps Works is by the a bad fraud human various tricks to rip you out.

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Computer-aided Manufacturing (CAM)

-aided Manufacturing (CAM) refers to the use of a machine to production workpieces on the basis of the computer produced Computer-aided Design (CAD) data. Previously we wrote about Cutting, Drilling, Casting and Molding Metals For DIY Projects. Except Injection method, all are fully mechanical and very primitive and thus lacks the process to use a computer is not possible in that Computer-aided Manufacturing (CAM) is independent of the CNC machine software to create the NC code. In contrast to the creation of the NC code in the workshop ( WOP ), the NC program already in the AV. Computer-aided Manufacturing (CAM) is an essential part of computer integrated manufacturing (CIM Computer Integrated Manufacturing).…

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Top 10 Cloud Storage in 2013

Top 10 in 2013 lists the major cloud for online storage, backup, and interactive use in 2013. Often the providers offer extra features. Back in 2011, we published another kind of similar list – Free Cloud Storage Online Our Top 10 Pick somewhat like this article listing Top 10 Cloud Storage in 2013. It has been nearly two years after that publication and we thought for an required update.

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Cloud Security Solutions for Tablets and Smartphones

Security Solutions for Tablets and Smartphones covers the issues with lost or stolen mobile devices, accidental data deletion, App security and Malwares. These are the practical part of owning and using a mobile device, from to Samsung, no manufacturers actually points out these parts. Cloud Security Solutions for Tablets and Smartphones from most of the manufacturers are kind of offering anti malware applications. The current methods for stolen and lost mobiles are far from being perfect, ultimately the owner runs here and there for legal reasons but the data get stolen. It is quite to the SD card and format the device even if it is locked with a .

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Smartphone Security in the Cloud

Smartphone in the  is important as the unprotected smartphones using Cloud based applications can security and privacy issues. Through various previously published articles, we highlighted how cloud Computing and Smartphone Technology are coming closer. Even if there is no direct Smartphone Application which has something to do with the Cloud, can indirectly be related due to the API. Although this Cloud due to flexible pricing indirectly has contributed to the success of Smartphone and Tablets, Smartphone Security in the Cloud is quite important as data theft, breech of privacy and security are the biggest issues.…

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Cloud Security Tools

Cloud Security checks the security in cloud environments, there are several tools available for free, not necessarily have to buy expensive suites. idea behind using these Cloud Security Tools is to ensure the security points on Cloud Platform. does have security issues – you can read our articles like Secure Cloud Computing Guide to somewhat manage or control your privacy and increase the security. However, there is no set of existing Cloud Security Tools those can offer 100% fool proof security in cloud environments specifically in complex setups like in case of Hybrid Cloud – we mentioned about Hybrid Security for Hybrid Cloud before.

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Competition in Cloud Computing

Competition in cloud computing is making the IaaS and PaaS to grow together. PaaS is almost by all the providers has a good usage quota. This is a plus point for the developers to develop like WordPress without any investment. Definitely that cost is coming from sucking someone else’s wallet by the provider. Cloud computing to some extent conquered the corporate IT if we think of the non specific word “Cloud Computing”. The trend also leading to changes in the competitive landscape in which the major players playing to their advantages. Most websites has their own infrastructure. Google uses own infrastructure. Apple uses own infrastructure. Microsoft, IBM, , Dell, Fujitsu…so, that OEM market of IT is now taking a different path for the game. The target is definitely the medium and smallest of the smallest. Competition in cloud computing is becoming higher.…

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Watchdog timer : What is Hardware and Software Watchdog ?

Watchdog timer or simply Watchdog is generalized for a component of a used to monitor the operation of other components for possible malfunction. When a possible malfunction is detected, then either of these Watchdog timer system gives a signal or a suitable jump instruction initiated, adjusted for the problem at that time. The signal or jump instructions are used directly or indirectly as a trigger for other cooperating system components that should solve the problem.

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