How SIP Trunking Can Save You Big Bucks

Being cost conscious is an important part of business management. When dealing with IT infrastructure, it can be challenging to save money without sacrificing quality. SIP (Session Initiation Protocol) trunking however, is an exception — it provides a streamlined service that can save companies significant costs, particularly on long distance,…

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What are PRI Cards & Analog Interface Cards – Connectivity & Architecture Diagram

While there are lot of advantages of moving to VOIP/ IP Telephony Systems, there are invariably some analog connections that are required to be interfaced to the IP world. One might want to connect their PRI Lines, Analog Trunk Lines, Analog Phones (Extensions), Fax machines, etc to their IP PBX/ IP Telephony Systems. In this article, we will have a look at PRI Cards & Analog Interface Cards that enable people to connect various trunk lines / analog devices to their VOIP Server, through a small connectivity/ architecture diagram.

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Telephone Trunk Lines: What is a SIP Trunk?

Like how you can use an IP Phone/ ATA to make inexpensive long distance calls from your home using a VOIP Service, SIP Trunks enable the users in an organization to do the same! To use a SIP Trunk, you need an Internet Connection, an IP PBX/ Analog-Mixed PBX, IP Phones / Analog Phones, ITSP (SIP Trunk service provider) and users who want to make outgoing calls! Let us look at SIP Trunks a little more deeply, in this article.

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Receive your PBX land line calls through SIP clients on Wi-Fi enabled Cell phones

There are many advantages of moving over to VOIP / IP Telephony. One of them, is the ability to receive your land line calls (Corporate PBX extension number) on your cell phones (smart phones) through the Wireless (Wi-Fi) Network. A software called SIP Client (If your IP PBX supports SIP) needs to be installed on the smart phone for this purpose. Let us find out more about this, in this article.

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VOIP Softphones might be a better option than IP Hardphones for some applications

There are quite a number of freely down-loadable (as well as paid for) SIP based VOIP Soft-phones that are available, which can be downloaded to your Computer/ Laptop and used with a headset/ in-built speaker-mic. When combined with a SIP based enterprise IP Telephony server, these soft-phones become your phone extensions and you can make/receive calls on your computer itself! In this article, let us look at how such VOIP Soft-phones compare with the IP based hard-phones on your desk.

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Can Open Source PBX be scaled to carrier grade?

As we know, open source PBX (Soft Switch) has already been accepted as a stable and preferred voice switch for enterprises and business establishments. In this article, we will see if the open source PBX meant for enterprises can be scaled to carrier grade – to handle protocols like SS7 after analysing the current limitations of current open source PBX which are meant for enterprise applications. We will also have a look at Woomera protocol which enables such a scaling through a distributed voice switch model.

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