So, you can see that VoIP and SIP work together to provide different ways of communicating over the internet, such as: VoIP is a way to transfer voice and video data over the internet, and SIP is the protocol used to initiate, manage, and end those calling sessions. Now that you know a little more about SIP trunking, you should determine if your network is ready to handle it: Launch Network Assessment SIP vs. Number of Concurrent Calls During Busiest Hours X 100 Kilobits per Second = Bandwidth in Megabits per Second Required for SIP Trunking If, for example, your upload speed on your Internet connection is 4Mbps, then the maximum recommended number of calls would be 40 (4,000,000/100,000). In most Internet connections your upload speed is typically slower, so when determining the number of calls your connection will support, you should use your upload speed. Each non-compressed call uses approximately 85-100 kbps of bandwidth. The limitation is based on Internet bandwidth capacity. Related Reading: SIP Trunk Pricing at Sangoma How Many Concurrent Calls Can Be Made with SIP Trunking? What About Bandwidth? This type of SIP trunking service allows businesses a way to easily budget their telecom spending. Additional channels can always be added for more capacity by contacting your provider. Once you have filled all of your channels, you will be unable to make or receive additional calls. Each channel provides the ability to make or receive a single call.
Many SIP trunking providers offer plans that provide unlimited inbound and outbound, local and long distance calls on a per channel/call basis. The cost of SIP trunking can vary depending on your business needs, but typically businesses can expect to pay a setup fee of $0-$150, and monthly costs of $25-$50 per trunk. Related Reading: Which SIP Trunking is Right For You? How Much Does SIP Trunking Cost?
Using SIP trunks, a SIP provider can connect one, two, or twenty channels to your PBX, allowing you to make local, long distance, and international calls over the Internet. Related Reading: What is SIP Trunking? How Does SIP Trunking Work?Ī SIP trunk is the virtual version of an analog phone line.
Simply put, SIP is the technology that creates, modifies, and terminates sessions with one or more parties in an IP network, whether a two-way call or a multi-party conference call. It’s an application layer protocol for setting up real-time sessions of audio and/or video between two endpoints (phones). Session Initiation Protocol, or SIP, is the way you achieve a voice over IP (VoIP) call. Understandable.īelow is a high-level overview of SIP trunking and how it works: What Is SIP Trunk? Maybe you’ve heard of SIP trunking, and maybe a friend of yours saves money by using it with his business, but you’d like to know more about how it works before you contact providers. With all the services you are tasked with managing (merchant services, shipping services, payroll services, etc.) it’s understandable you haven’t mastered the knowledge of each industry. Everything You Need To Know About SIP TrunkingĪs a business owner, you are constantly looking for ways to cut costs and reprioritize your spending.