It is understandable if you want to know about how sip trunking works before subscribing their services. So, keeping the demand of knowing SIP trunking in mind, we have written this article. An article that has more to do with knowing the following aspects of the system called SIP trunking:

  • What is SIP trunking?
  • How does SIP trunking function?
  • Features of SIP trunking

What is SIP Trunking?

When someone calls on an IP server or VoIP, it is transmitted through SIP – Session Initiation Protocol. It means that two phones get connected through a real-time, there and then, kind of a situation. These sessions are either in the form of video or audio calls.

SIP is that technology which initiates sessions with a small or large number of group members. Also, these calls are facilitated by group calling conference call or a two-way call.

How does SIP Trunking Function?

In short, SIP trunk is a virtual or computer-operated way of receiving calls from the phone line. The phone line is governed by the IP address and codes. However, by the use of these SIP trunking services, companies tend to engage several channels in the PBX installed in the computer.

Functions it does are as follows;

  • It allows you to make national calls.
  • Long distance calls are also permitted through these services.
  • Besides that, international calls are the third type of calls which can be made through SIP services.

However, there are few glitches which come with this system. You have to have internet and a computer system to make these calls. Despite the glitch, there is good news that the one PBX in an office or enterprise is enough to direct you to make outbound calls. It doesn’t even have any interference or restriction on a number of calls you make or receive.

So, the working, in general, is based on one PBX and that is shared in the entire office.

Features of SIP Trunking:

Naturally, there is something that has given much hype and importance to SIP trunking system in recent years. What are they and how do they make other normal calls different are mentioned below.

  1. Cost and Expenses:

Businesses are small, big, and medium in size; and so are the needs. For bigger companies or businesses, there will be more need which means more will be the cost. but generally, it has the same installation fees (which starts from ten dollars and goes all the way up to a hundred and fifty dollars). However, the normal subscription can vary from $20 to $55 for each trunk.

  1. Concurrent Calls Per Month:

The second factor that you must know is about simultaneous calls as in how many people can use the service at one time. Well, answer to it is: it is strictly reliant on the internet speed (bandwidth). Here, it is worth mentioning that each call, the non-compressed one, takes up to 85 kbps.

  1. SIP Trunking Use:

Well, SIP trunking services are ideal for offices where a PBX connects to the unified communications platform. It is also good for medium or large enterprises. Houses and communities aren’t the right places for its use.

  1. Difference Between SIP trunking and VoIP:

VoIP is considered to be something very common for households and other places which are not too corporate or commercial. They are not to the business level. On the other hand, SIP trunking has the potential to do video calls too and not the only voice. Also, they can be synced with audio and video applications.

Last Verdict:

So, in a nutshell, SIP trunking services are best for medium or large companies and enterprises. They make taking and making calls easy in all three ways. Besides that, the main procedure of these services is to turn voice and/or video into data that can be submitted to the internet. The call which is received is taken as the destination and the receiving portal is called IP. Buying these services are worthwhile because of all the amenities it gives in the end. There are many advantages to buying these services. Some were mentioned briefly and others could be read in the next article.