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Technical Documents

  • Apr

    How does SIP and VoIP Work Together

    Author: Technical Support
    Modern communciations
  • Instead of communicating via traditional ISDN lines, a SIP enabled VoIP telephone system allows people to talk over the internet by exchanging digital signals instead of analogue ones. SIP trunks therefore allow you to increase your call capacity without compromising on quality, as placing calls over a data network allows your phone system to expand and become virtually limitless.

    This also means that as your data connection is shared with your voice network, you only have to maintain and pay for one converged pipe that costs much less than separate lines and connections.

    How can SIP and VoIP enhance communications?

    There are many benefits of SIP and VoIP as compared to traditional telephone systems. The internet (especially powerful connectivity solutions such as MPLS and Leased Lines) can offer very fast connections and transfer of signals which give us much more than slower, restrictive telephone boxes.

    SIP trunking allows companies to completely replace traditional fixed PSTN lines with an IP phone system. As a result of this voice over data (VoIP) your business benefits from greater cost savings and increased reliability. To sum up, SIP trunking is therefore the process in which your traditional system becomes connected to the internet.

    Businesses with VoIP systems are still able to connect with customers and contacts operating on traditional PBX solutions too, and as calls are made over the data network they are much cheaper – especially if your business makes a lot of phonecalls overseas. The cost of which could be completely eliminated depending upon your VoIP provider.

    It is not uncommon for companies to report instant cost savings from an investment into SIP. Together, SIP and VoIP can allow your business to produce ROI within six months by:

    Eliminating the need to invest in costly and less capable equipment and hardware
    Using only one connection for data and voice
    Reducing expenses; employees are less inclined to travel as voice and video quality is improved
    Allowing companies to outsource their PSTN connectivity to a third party
    Accommodating up to 100,000 users without extra, time consuming and costly installations
    Bridging gaps between countries, locations and people, allowing for home or remote workers – your phone system is accessible wherever there is an internet connection
    Increasing productivity, output and saving on employee time by communicating faster and more clearly than ever before

    If companies are looking for the highest SIP and VoIP quality it is important to establish Quality of Service (QoS) agreements with your connectivity provider. For example, although SIP and VoIP can work effectively over the public internet, it works much better when placed on a QoS network such as MPLS. By using a solution like MPLS, you can add certain priorities to your data or voice traffic which can further help eliminate delays and allow for proper scaling.

    What does this mean for the future?

    The industry is already seeing a steady decline in the number of ISDN installations due to a growing interest in SIP and VoIP.

    The ability to reduce costs and effectively do more with less – and for less – is something that not many businesses during times of economic disparity can afford to miss out on. SIP is entirely future proof, as you can scale up or down, and add features as and when you need to with little disruption or extra cost to your business. This is different to traditional telephone systems that will need extra lines, cards and hardware to grow – your VoIP system grows with you and will therefore be the last phone system you ever need to buy.

    The way businesses and organisations use voice services has changed, SIP with VoIP is the future of telephony and those businesses getting in now will be the ones to gain an overall advantage over competitors.

    As modern businesses continue to increase its use of data services like email, internet and applications, the need for SIP and VoIP communications will continue to rise alongside.

    Furthermore, investment into SIP and VoIP is your first step to a unified communications platform, which helps sync all the channels and devices used in your business. This solution has seen a tremendous amount of growth over the past few years due to the growing trend of mobility. As SIP and VoIP support this, it suggests a future totally reliable on software-based data-led solutions.

    How do I know if SIP and VoIP are right for me?

    Using SIP for VoIP is ideal for your business if:

    You have seasonal or short term demands for increased call capacity
    You want to purchase a modern telephone system and reduce its upfront and maintenance costs
    You want to limit the amount of hardware on site
    You want to join and consolidate multiple sites and locations into one single network
    You feel you could benefit from other services such as Geographic Phone Numbers, Call Recording, Call Monitoring and instant call routing which are all made easier on VoIP
    You wish to include an inbuilt Disaster Recovery plan with your phone system at little extra cost
    Your business makes a lot of expensive international calls

    Many organisations that have implemented SIP claim to have found cost reductions of 25% or substantially higher. A VoIP solution partnered with SIP trunking enables futuristic, enhanced communication networks bringing business, partners, suppliers and customers together like never before.

    Contact us on 01524 889158

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