Enables further services - such as unified communications (separate service) so that businesses can further streamline communications and offer an increased level of service to their own customers.Scalability - it’s simple to scale both up and down with SIP Trunking so that the business only ever pays for what it needs.Convergence - rather than pay out for voice and data services, SIP Trunk service providers allows businesses to consolidate these over a common IP network.Lower call rates - generally SIP offers lower long distance and international call rates than ISDN.But it’s not just the initial cost saving that’s attractive, businesses should also consider the following. Advantages Over ISDNĬost will of course be a huge incentive to any business to make the switch to SIP Trunking service. So in the first instance, there are cost benefits that can save businesses up to 90% of their traditional solution, depending on the needs of the company. This means that the customer is only ever paying for what they use and allows businesses to save costs when it comes to redundant lines. Further, SIP Trunking can be purchased line by line - rather than in a block of 23 as is required with PSTN. No capital expenditure is required to install SIP Trunking, whereas the installation and maintenance of an ISDN system can be costly. When it comes to ongoing maintenance costs, there quite simply are none, so businesses can save on their telephony year-on-year once they’ve made the switch. The existing PBX can usually support SIP and will need to be configured in the first instance. As SIP is a virtual product, to begin with it requires no additional hardware to be purchased in order to install it. The benefits of SIP Trunking over ISDN are plentiful. ISDN is quickly becoming outdated and can be more accurately thought of as a legacy solution. It’s fair to say that we’re likely to see the death of ISDN as the telephony solution of choice, as more and more businesses turn to IP telephony (if we haven’t already). The reality is that whilst ISDN does allow for data to be carried over the network, it doesn’t do this efficiently or cost effectively, whilst SIP Trunking does. Unlike ISDN, no special equipment will need to be added in order for a business to use it. Not only is it a more modern solution, but it also saves businesses a lot of cash both in its installation and ongoing maintenance. When it comes to which is better for businesses, there’s little doubt that SIP Trunking is the clear winner. ISDN on the other hand, uses the traditional copper telephone network to deliver voice and data. So SIP Trunking is a more modern telephony solution that uses the internet to deliver voice and data through a single pipeline. A business can choose to have SIP Trunking alongside its existing infrastructure with the use of an IP gateway, or it can add it to its existing IP PBX. SIP Trunking is an application layer protocol that is based on IP, it’s a newer technology than ISDN and allows a business to carry both voice and data on the same channel. With ISDN, businesses are required to pay separately for voice and data services.
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