What is SIP Trunking?
SIP stands for Session Initiation Protocol. SIP trunking is a method of sending voice and other unified communications services over the internet. It works with an IP-enabled PBX (private branch exchange).
SIP trunks are virtual phone lines that enable users to make and receive phone calls over the internet to anyone in the world with a phone number. SIP trunks utilize a packet switch network, in which voice calls are broken down into digital packets and sent across a network to the final destination
How many SIP channels?
One SIP channel carries one voice call and equivalent to one line. When choosing how many channels to buy, the typical business 0.4 phone lines per employee. So 25 employees will typically use 10 lines.
What Equipment do I need?
Voice Over IP has several components, SIP Gateways, PBXs, End-points. At a minimum you will need an end-point i.e. IP Phone, Mobile APP, or Softphone. When purchasing a SIP trunk, you will also need a IP PBX, Hosted in the Cloud or On-Premise.
SIP Trunk or Cloud PBX?
How to Buy SIP Services
SIP Trunks have become ubiquitous in the telecommunications industry. Every telecommunications provider today routes calls using VoIP. Paying more for your service does not mean the quality it will be better. Today, you should consider Quality of Service, Support and Price from your SIP provider.
SIP Trunks is a connection to the SIP gateway that supports many SIP channels. A SIP channel is analogous to a phone line and allows one inbound or outbound call. When buying a SIP trunk take into consideration the number of SIP channels you need.
SIP Trunking
SIP Trunking offers a robust and flexible solution for modernizing business communications, aligning with digital transformation goals, and reducing operational costs. As businesses continue to navigate the shift towards more dynamic and distributed work environments, SIP Trunking provides a critical infrastructure component that supports scalability, efficiency, and continuity.