SIP Trunks replace the traditional phone line (ISDN line) that requires a physical connection between to points, so you can make calls.
If you are currently using an ISDN line, BT will be switching these off in 2025. Therefore switching to internet based communications such as SIP Trunks is vital.
So this is what you need to know
SIP – Session Initiation Protocol, the way to achieve a Voice over IP (VOIP).
A SIP Trunk is the virtual version of an analogue phone line, it replaces the traditional method of the PSTN (Public Switched Telephone Network), a copper pipe that requires a physical connection between 2 points to make a call.
A SIP provider can connect 1, 2 or 20 channels to you PBX (Private Branch Exchange), allowing local, long distance and international calls.
The benefits of SIP Trunks
Can significantly reduce costs
Increased flexibility – SIP trunks remove any location-based restrictions, so you can move office or even country and keep the same number
Scalable – SIP channels can be increased or decreased depending on call volumes and staff changes.
Calls can be easily and quickly diverted, perfect to support Disaster Recovery.
SIP Trunks are perfect for linking multiple methods of communication, so fully support Unified Communications.
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Choosing between the different SIP Trunks packages
At Dalys we work with several SIP partners, all offering different line and call packages, so we can recommend one that suits your business. Read our guide on what technology you will need to support an agile workforce.
Just a couple of things to remember; SIP is reliant upon connectivity; therefore it is important to understand your call volumes and bandwidth requirements to ensure you get optimum service performance and reliability.
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Discover more ways we can help
On premise telephone systems
If you have sophisticated telephony requirements and a need for greater control, an on premise Telephony Solution could be perfect for your business.
Installing an onsite phone system means you can create the features appropriate to your business and ensure you have the performance inline with your business objectives.
If an upfront investment is preferable over a monthly licensing commitment, an on premise phone system is what you need.
Cloud based/hosted telephony
Flexibility, scalability and adaptability, you can expect all of this and more from a Hosted telephone system.
A hosted or cloud based telephone system means there’s no hardware, everything is stored securely off site in the cloud, therefore there aren’t any maintenance costs.
Its adaptable, so remote working, multi-site deployment and changes in service can be set up quickly and easily.
If it’s future-proofing you’re looking for, a hosted system’s scalability means your prepared for growth from the start.