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What is SIP Calling and How Exactly Does it Work?

SIP, Session Initiation Protocol, traditional phone lines, phone lines, Communications

Are you wondering what is SIP calling and how does it work? If yes, then you should check out this guide on Session Initiation Protocol.

The way we call people on the phone has radically changed over the years. We moved from rotary phones to touch tone dials.

We used to have to be at home or work to get a phone call. Today, you can be reached anywhere in the world.

The way businesses use telecommunications has evolved as well. They are moving from traditional phone lines to SIP to communicate internally and externally. What is SIP?

You can learn more from one of the telecommunications companies in USA.

Read on to find out what SIP is and how it can help your business.

What is SIP?

SIP means session initiation protocol. It is used alongside Voice Over IP phone systems, which use the internet for all telecommunications needs instead of landlines.

Traditional business telecommunications can be broken down into two parts – the PBX and PRI. The PBX has all the features of the phone system, like call forwarding and voicemail.

PRI is phone lines that connect to the phone company’s network. That’s how your calls get routed to the right place.  

SIP works over the internet, allowing you to bypass the phone company’s connections and eliminating the need to use a PRI.

Advantages of SIP Lines

Is SIP calling better than traditional phone lines? It is. One of the key advantages is scalability. Traditional landlines are sold to businesses in packs of 23 lines. That’s the number of lines in each PRI.

Most businesses are small and don’t need 23 lines. They may need 10 at the most. Other businesses may be seasonal. They may need a lot of lines, but only for a few months.

SIP allows you to scale up and down according to your needs. With traditional lines, you’re stuck with a contract for those lines that sit idle for most of the year.

You also save more money when you switch to SIP. SIP uses trunking, which is installed over your servers and replaces the need for PRIs. SIP also works for all of your telecommunications needs. Video conferencing, phone calls, messaging, and more.

The cost savings occur because all of your calls are billed as local calls. That’s a huge saving for businesses with customers all over the world. You also need not invest in expensive hardware and spend more money on maintenance.

Efficient Communications

SIP is more efficient than other phone systems because everything happens on one system. You don’t need to train your employees to figure out several systems.

These systems are much easier to maintain because they require less equipment to run.

SIP is a Smart Solution

Whether you’re a startup or a business with dozens of employees, you need to have a reliable and efficient way to communicate with your team and your clients.

What is SIP? It’s a technology that relies on the internet to bypass the costs and phone lines of the phone company. You can use one system that’s easily scalable to meet your business needs.

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