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What are the Benefits of SIP Trunking?


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SIP is increasing in popularity with the passing of every single day as more and more businesses are migrating to IP environments with wireless and wired networks. Moreover, as a lot of companies are looking to increase efficiencies and cut costs with unified communications, SIP provides them the perfect stepping stone to a well-developed UC platform. And this is possible because SIP trunking provides us with much needed virtual signaling tools for such environments.

But how exactly SIP trunking can benefit a business? Only by learning about its benefits, you will be able to answer this question. 

Following are 5 most important benefits of SIP trunking:

1. It Merges Voice and Data Connections

By merging both data and voice connections, SIP trunking offers cost savings. It is also more convenient as you won’t need separate connections. Furthermore, both data and voice can undergo convergence so you will enjoy additional benefits such as less management clutter and less infrastructure investments.

2. It Eliminates Need for PRIs, BRIs, or PSTN Gateways

With SIP trunking, you don’t need PSIs, BRIs, or PSTN gateways, which lowers telephony costs. SIP extends your existing communication systems via IP so you only need internet connectivity – which your business might already have.

3. Huge Potential for Scalability

You can count on the scalability offered by SIP trunking if you are planning to expand your business in the future. Furthermore, existing phone hardware, IP, and PBX systems in your business will not be replaced because SIP has the flexibility to allow optimal use of these investments for enhanced communication systems.

4. Cost Savings

SIP significantly reduces long distance charges because calls are made over the internet including the international ones. For example, if your company is in Australia that uses SIP trunking, then you can initiate a call to Los Angeles via the 001 international dialing code. The call will be rerouted to the SIP trunking host, which will then be redirected to the nearest access point to Los Angeles. As a result, the call will be charged just like a local call, offering substantial cost savings.

5. Return of Investment

To enjoy the benefits SIP trunking has to offer, you will only need to spend a relatively small amount of investment. You will need to make a one-time purchase of IP-PBX hardware if an existing VoIP system is not in place. But, if your company already has one then you will only need to pay a minimal amount for SIP trunking services. You can expect a sizeable return of investment in a short period of time if SIP trunking is deployed properly by a reputable SIP provider.


In conclusion, SIP trunking offers a lot of benefits that’s why more and more businesses nowadays are leaving inflexible legacy telephone networks and embracing this new technology. SIP trunking offers centralization, improved productivity, disaster recovery, reduced costs, and a first step to a unified communication platform. It lays the foundation of global communication at a considerably reduced cost.

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