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Hardware infrastructure, setup and configuration
The server is the central component of a hardware infrastructure designed to offer Unified Communications. It is 's a physical / virtual machine with an Internet connection to which all computers and phone terminals are connected. Linux (CentOS and Rhel RHEL are also supported by VoipNow) and your PBX should be installed on this server. Its The hardware specifications rely vary depending on the network capacity and on the expected performance.
There are several ways you can make good use of a server.
In-house
If you already own an adequate server, you may install an IP PBX and you'll be ready to provide Unified Communications.
Hosted
Your server can be held within a data center; it is highly recommended to resides in a remote data center. It's important that you choose a data center that is 's geographically close to most of your customers as the quality of service relies on thisto provide redundant, low-latency connectivity.
In the cloud
Some organizations offer infrastructure as a service; for . For instance, you can rent a server from Amazon .comWeb Services.
You need to make sure your hardware configuration meets your network's needs. You can decide on the performance of your sever server taking into consideration the maximum number of concurrent calls you expect to be made on the server. The general formula is that for every concurrent call (with a ulaw codec - G711G.711 uLaw codec), you your server will use the resources detailed approximately the resources listed below.
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Each concurrent call = 33MHz CPU + 8 Mb of RAM memory + 86 Kb of your network's bandwidth |
How extensions affect the server
The total number of extensions on your server will have a great impact on the server simultaneous calls impact the performance. For example, if your server will provide VoIP for service to residential clients, most of the extensions will probably be Phone Terminals, which do not require many resources. On the other hand, But if you resell towards businesses, IVRsthings like IVR, Queues and other costly extensions will require a more powerful hardware configuration.
How the server handles PSTN
Another issue that needs to be addressed is that of connecting your server to a public telephone network. This issue becomes especially important if you have an in-house server. To connect to such a network, you will need a physical gateway that routes and translates calls between the two networks for the VoIP user. The telephone company provides the customer with one or several trunk lines to ensure the connection to the customer's PBXSIP trunks can route calls to/from PSTN networks on their own, no need for a physical gateway. You might be required by law to have a PSTN connection.
What about codecs
Codecs are designed to enhance VoIP calling sound quality. However, these codecs influence your server’s or your network’s performance.
For instance, G711u and G711a do G.711 uLaw and G.711 aLaw do not compress packages upon sending them. This means that they will improve your call quality, but they will consume bandwidth. On the other hand, if you use G729 – which is one of the most used codecs – the packages will be compressed and your call quality will be amplified, but this action consumes a larger amount of CPU.translates into more CPU workload.
This is why it's recommended that you A fair conclusion would be that you should always calculate your system to have at least 30% resources free most of the time, so that you won't have to worry about peaks.
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VoipNow is a platform that includes an IP PBX, billing engine, a browser interface, a web-based administration interface and multi-tenant managementtenant management.
At the core of the VoipNow system lays the IP PBX, or Internet Protocol Private Branch Exchange, which is a private telephony network used within a company. It is a software application that implements the basic functions of a traditional hardware PBX as well as next-generation digital services.
Basically, it acts like an automatic switchboard that connects users. In addition, it offers new services that traditional telephony lacks because of insufficient technologylacks due to technology limitations or high cost.
Am I safe?
A major worry concern for most VoIP users is whether it is prone to hacking or not. Internet the system's security. Internet telephony may seem liable to hacking at first. In fact, all internet solutions are. The risks of using VoIP do not exceed those that have already been accepted by businesses integrating the Internet with all their activities.
The truth is that open-source PBXs tend to have a deficit in security. On the other hand, VoipNow has not been subject to any hacking incident in the whole 5 years that it has been used. However, troubles did come up along the way, triggering significant money loss for a few extensions, but they were either caused by the customer's difficulty in keeping their password private or by the use of other PBX software besides VoipNow. The hacker was able to get inside the system through them, affecting the VoipNow accounts as wellCompromised user accounts can be easily detected with basic monitoring solutions and damage is usually restricted to a few international calls placed on the user's behalf, without affecting the system's integrity.
Call your colleague
All you need is a phone. While most features of Unified Communications solely require a computer with internet access, VoIP calls are a little more pretentious. You will surely need a phone terminal to be able to make and receive calls. There are several possibilities , and there's a sea of options to choose from these days.
One of them these options is to install a softphone on your computer. There are various softphones available online and some are free of charge. By installing this software, you can use your computer to make and receive calls as long as the program is running and provided that you have headphones or speakers and a microphone.
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SIP carriers operate an infrastructure that can route and connect the calls originating from to/from from your system to phone numbers on other infrastructures (IP networks or PSTN). They own media gateway machines that act as an interface between different types of networks by converting between the different transmission and coding technologies.
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VoipNow’s charging plans automate this operation and the call history based reporting is always exact.4psapanelgreenlight
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1. Make sure you set up an IP network and configure compatible servers suitable for the infrastructure you have planed. 2. Choose the most suitable codecs |
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. 3. Set up your software. With VoipNow, installation is done from the browser interface and you need not worry about the IP PBX. 4. Set up the devices: with *VoIP, you can install softphones, IP Phones or regular phones. 5. Expand your network with the help of SIP carriers and |
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interconnect with |
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other |
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communication networks. 6. Make yourself available for calling with Direct Inward Calling, which can be provided by your SIP carrier. |