![]() ![]() And, just like a tree, a SIP trunk will have many lines (branches) that run off it. Or, to go back to the tree analogy, a SIP trunk is the base that connects your business phone service to the outside world, while a SIP line is one of the branches off it. A SIP line is simply one call within a SIP trunk.SIP lines and SIP trunks as it could affect the price of your package. What’s the difference between a SIP line and a SIP trunk?Īlthough the two terms are sometimes interchangeable, it’s important to know the difference between The main difference is that SIP trunking can handle multimedia data, including voice, text and video, while VoIP is solely for voice calls.Īnother big difference is that while VoIP calls can only be made over an internet connection or private network, SIP trunking can handle multimedia calls over any network, including ISDN, VPN, or the internet. Is SIP trunking the same as VoIP?Īlthough SIP trunking and VoIP are both ways to make calls over an internet connection rather than a phone line, there are differences between the two technologies. For example, if you had 10 calls going at once, your SIP trunk will expand and have 10 channels ready to deal with the amount of calls. The number of channels will automatically expand depending on usage. There is no set amount of channels when talking about SIP trunking. Make sure you compare providers to get the best deal. It's also important to note there will be an installation fee between £300-£700 and your monthly rental fee will range from £50-£150. It really depends on the provider you choose, but the average channel cost can be anything from £3 to £150 per month. Lots of businesses find this useful, convenient and enjoy the flexibility that SIP trunking gives them when communicating with customers across the world. A SIP provider can connect multiple channels and allow you to make long distance or even international calls over the internet. Why do I need a SIP trunk?Ī SIP trunk is basically the virtual version of an analogue phone. It connects the private branch exchange (PBX) at your business premises to the public switched telephone network (PSTN), so you can communicate with the outside world. SIP trunking is a virtual version of the analogue phone system. With traditional phone lines, the trunk refers to a bundle of phone lines that branch off to different users. ![]() To get an idea of how SIP trunking works, you need to think of trunking as in ‘tree’ and not as in ‘elephant’. It can also handle more than just voice calls, meaning you can also use it for video and text messages. This means less traffic on your line, which will give you faster speeds and more reliable connectivity. If you use SIP trunking on a leased line, calls will be made using a dedicated internet connection that’s shared with anyone else. Calls can be made on a shared business broadband line or on a leased line. It works in much the same way as VoIP, but can also handle video calling and data messaging, alongside voice calling. SIP trunking is a way to make calls using a data connection. And that’s all the VoIP is.īut SIP trunking does everything that VoIP can, and more. If you’ve ever made a call using FaceTime, WhatsApp, Skype or Zoom, then you’ve been connecting over an internet connection instead of a traditional phone line. You may not realise, but you’re probably already using VoIP to some degree anyway. Although the technology is complex, making calls via business VoIP or SIP trunking is as simple as using a business landline or mobile. And, just like VoIP – or Voice over Internet Protocol – it even has a complicated name - SIP stands for Session Initiation Protocol.īut don’t let that put you off. SIP trunking works in pretty much the same way as VoIP does – you make calls over an internet connection instead of a traditional landline.
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