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We offer various telecommunication systems, which help you to support your telephony including internal and external calls, statistics, additional phone features, SIP accounts. These services improve the work of your employees thanks to the monitoring and access to every incoming or outgoing call from customers, associates or business partners. We propose you to check the following VoIP servers you can install for different purposes.

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This free open-source application for SIP telecommunications, which you are able to install on your Android device. You will be able to get calls easier to convenient gadget or make cheap calls to every point of the world. All you need for these actions is good Internet connection and SIP-account with virtual phone numbers. Freezvon is going to tell you more concerning this service, all details you will receive below.

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That is a special voice application working on voice over IP and designated for Android OS. You may install this app to your smartphone and use it for making cheap outgoing calls or receiving free VoIP calls to your mobile. You do not need any other hard equipment.

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If you were looking for good call application, we recommend you to install Linphone. If you are iPhone user this app will be ideal for you. You can make outgoing calls to any of world corner and you do not need any additional expensive equipment – just your phone and this app. It should be mentioned that using this app is impossible without having SIP-account. In this article, we are going to inform you about SIP telephony technology and installation of Linphone to your iPhone.

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Another one great voice program for receiving and making calls is available for your Linux OS. That is a program client of IP-telephony permitting to make voice and video calls, plus exchanging messages online.

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Twinkle is free open-source application for voice telecommunication. This program was created especially for Linux system and using Qt interface for its graphical interface. Moreover, it can be used as IP phone to IP phone telecommunication. Media streams are going via RTP. This application also supports messages exchanging and contact lists between users. You may check lots of other useful features available thanks to this program.

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Speaking about VoIP technology is based on IP technology and uses the Internet, it also inherits all of its vulnerabilities. The consequences of these attacks, multiplied by vulnerabilities, which follow from the peculiarities of the VoIP network structure, make one think about ways to enhance protection and carefully analyze the existing IP network. Moreover, the addition of any new phone service, for example, voicemail to an inadequately protected infrastructure can trigger the emergence of new vulnerabilities. First of all, we need to figure out what security problems can appear with IP-telephony.

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Freezvon recommends installing such softphone as PortSip (PortGO) for making cheap calls. PortSip (PortGO) softphone is a softphone application designated for the business' most dependable and highlight rich correspondence applications various operating systems.

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Using IP telephony for office you can take all its opportunities and set call forwarding to PBX with the help of virtual numbers you got connected. It is well-known that VoIP numbers with call forwarding function are unique for remoted work and allow to answer the calls anytime you can.

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The Bitrix24 system has a concept of CRM that means different business management tools are combined into one well-functioning system. Instead of Excel spreadsheets, instant messengers, lots of documents or files and running around the accounts, there is only one service. It includes programs for collecting customer data, managing transactions, controlling managers, analytics and forecasting. It simplifies routine, accelerates the making of correct decisions and eliminates errors. In this article, we are going to tell you how to connect a virtual number to Bitrix24 system and get more calls from customers.

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