Why SIP? Time is running out for ISDN Whitepaper from V1.04
Introduction With less than 9 Years left for Legacy BT ISDN networks, its time to consider SIP for your business. BT is confirming plans to decommission its ISDN (Integrated Service Digital Network) infrastructure by 2025 to make way for SIP (Session Initiated Protocol), with this in mind, isn t it time you considered moving your legacy PSTN, ISDN lines to SIP. For the many businesses still using traditional telephone systems, the demise of ISDN has implications that need to be addressed and planned for. Nine years is not a long time in business terms, so although there s no cause to panic just yet, it makes sense to consider what this change means for your business, and when and how you are going to introduce SIP into your organisation. SIP represents a step change in telecoms technology, and brings a range of features and benefits that can help your business realise its true potential. 2
So what is SIP? SIP trunking is replacing traditional ISDN. It connects your PBX to the PSTN via broadband, Ethernet or private circuit into the national network and is delivered as an end-to-end service with an availability guarantee, voice channel guarantee and voice Quality of Service. SIP trunks work seamlessly with all the leading IP PBX brands in the UK market including Avaya, Mitel, Skype for Business and others. Is SIP better than Legacy ISDN? SIP services deliver more freedom and flexibility to accommodate the individual and unique needs of your business and which can deliver significant benefits - even reducing overheads and possibly increasing efficiency of the business. PBX PSTN SIP TRUNK 3
What are the main benefits of SIP? Savings You can save up to 50% on line rentals and 25% on calls Flexibility You are in control you can add lines, take them away, split calls its up to you Control You can choose how and when you want calls delivered and make changes instantly SIP SIP doesn t require you to replace your telephone infrastructure, however IP-based PBX systems will utilise SIP more effectively. Disaster recovery and service resilience Handles emergencies with ease and you can reroute calls to back up sites in seconds Other benefits include: Number flexibility Free UK calls and fraud protection Business grade voice and internet convergence Multi site rationalization Seasonality Business relocation Built for business continuity with multiple options for resilience Affordable resilience Voice and data from one connection Scalable add and remove lines quickly and easily Data agnostic connect how you like 4
Harness the full potential of the Cloud You can access the full potential of the Cloud taking full advantage of cloud based services such as Unified Communications using a hosted service such as 4net Agile Cloud. 4net has developed 4net Agile Cloud - harnessing the power of Avaya Aura Contact Centre (CC) and Unified Communications (UC) and/or IP Office CC and UC propositions, and delivers it as a true cloud utility service. The solution provides best of breed security and resilience combined with outstanding reliability backed by our award winning service and support and powered by BT Wholesale. 5
Supporting your collaboration strategy Compatible with Skype for Business (previously MS Lync) our SIP solution delivers a simple, fast communications platform that lets you instantly see any colleague s presence status and allows you to communicate with them through instant messaging, conferencing and voice. The visibility provided by Skype for Business helps organisations to reduce operating costs and save time. Redirecting calls via SIP? SIP gives you the flexibility to redirect calls to any number including legacy lines such as PSTN, ISDN or to mobiles or other office locations. With a feature rich Avaya IP based platform you can fully manage your SIP to be directed anywhere across the globe. 6
4net Technologies SIP (Session Initiated Protocol) 7
Can I keep My Numbers? With SIP your geographic number is fully portable. Your office location is no longer tied to your numbers, so you will be able to retain your number wherever you go, without being charge for calls forwarded. Time is ticking doing nothing is no longer an option. ISDN will be phased out over the next 9 years, so you need to consider your options sooner rather than later. SIP is here to stay, the way it is delivered is down to your providers and partners. 4net focus on security, fraud protection and design, which will enhance a robust and resilient solution that is built around your particular business requirement. By migrating to SIP and adopting IP based or hosted technology now, you can avoid a last minute rush and give your business a real competitive advantage. 8