SIP Trunking - SIP Trunking 101

2 min read
22 September 2022


SIP Trunking is really practical since it cuts the need of so many phone wirings. Additionally, SIP trunks can actually handle multiple phone calls at the same time. There are some risks that too many calls can result in excessive bandwidth usage, which can lead to network congestion. To avoid this happening, most companies simply add multiple trunks. SIP Trunking can be purchased from many providers so there are a variety of options.



Let's say that an employee of a company is making an outgoing call to a standard cell phone number. This cellular phone is covered by the PSTN which is also known as the Public Switched Telephone Network. This is the most popular telephone network that we have. The SIP Trunking system used by the company will alter the IP of the number being called in order to change it into PSTN, which is closest to the number being called. Trunking can make it appear that the employee is calling from the same local network. This will improve the quality of the communication service for the call. The company may even be able to avoid the long distance charges. Wow servers This type of setting could also be used in the reverse direction. Let's imagine that a business that provides SIP services gives out local PSTN numbers to customers across different regions. Instead of calling operators and having to transfer calls, customers who dial these local numbers will automatically be forwarded to the company's PBX. This allows the company to provide cheap and hassle-free calls to their customers.



Session Initiation Protocol Trunking, also known as SIP Trunking, is a technology for communications connection service offered by certain Internet-related providers like ITSP and ISP. This involves connecting the Private Branch Exchange (PBX) of the company to its phone system via internet servers. This then opens up to Voice-over Internet Protocol or VoIP.



Written by Josephine, also worth visiting the Ethernet Fiber.

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