Mobile broadband connects to a mobile network and sends data through 4G or 3G services – exactly the same as the internet you get on your smartphone. It can come in the form of a dongle, portable hotspot or a data-only SIM. Once you have a dongle or Wi-Fi device, you can take it wherever you want, and as long as you have 4G signal you can use the internet.

A fixed line network is a wired network used for voice and data communications using cables laid across land, in opposition to a mobile phone network, which uses radio waves for transmission.

Four times a year, we will look over your package(s) and bill(s) to make sure that you are still on the best deal.

SIP stands for ‘Session Initiation Protocol’ by which internet telephony service providers deliver voice services and unified communications over the internet. It works with an IP-enabled PBX (Private Branch eXchange). SIP trunking replaces traditional telephone lines such as PSTN.

VoIP stands for ‘Voice over Internet Protocol’. Put simply, VoIP is the technology that allows you to make phone calls over the internet rather than a fixed phone line.

FAQs Archive - Page 2 of 3 - Jelly Communications

Q: I am still using ISDN – how much more will I pay on calls if I migrate to VoIP?

By 2025, every phone line in the UK will be digital, routing calls over IP (Internet Protocol). This means that businesses will need to migrate all their phone lines, as well as any other special services that are currently using the PSTN phone lines. Jelly can offer completely free calls to UK landlines and UK mobiles, plus very competitive rates to non-geographic and international destinations. Have a look at our Hosted VoIP Solutions page for all the details.

Q: Does the call quality get affected when making calls over the internet?

It is very important to make sure you have the right kind of connectivity to support the number of concurrent calls your business needs. We are able to offer managed internet connections with guaranteed call quality. By using a product suitability checker on your initial discovery session, we can let you know what is available at your location(s) right from the start.

Q: Can I keep my existing telephone numbers when moving to hosted VoIP or SIP?

Yes. Jelly can port your existing ISDN and PSTN numbers onto the VoIP system, allowing you to take your numbers anywhere.

Q: Can all users keep their mobile number?

Yes of course. All you need to do is obtain a PAC code from your existing supplier, and the Jelly admin team will do the rest.

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