SIP Trunking & Hosting Solutions

What is SIP Trunking?

A SIP trunking is primarily a concurrent call that is routed over the IP backbone of a carrier using VoIP technology. SIP trunking is used in conjunction with an IP-PBX and are thought of as replacements for traditional PRI or analog circuits. The popularity of SIP trunking is due primarily to the cost savings of SIP, along with the increased reliability as backed by the SLAs of SIP trunk providers.

What are the advantages of SIP Trunks over Analog Circuits?

SIP trunks are cheaper than analog circuits while maintaining the same service quality that businesses expect from line quality. SIP trunks cost approximately $20 to $25 per trunk, versus approximately $40 per analog circuit. In addition, long distance termination charges associated with SIP trunking is much cheaper than traditional analog or TDM rates.

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What are the advantages of SIP Trunking over PRIs?

SIP trunks realize their primary benefit over PRIs from cost savings. SIP pricing typically is $20 to $25 per trunk for unlimited inbound and local calling along with a long distance rate that can be under 2 cents per call. When coupled with line oversubscription (e.g. a 30 person company purchasing just as many SIP phones as they anticipate having concurrent calls….typically 8 to 10) SIP trunks are a very cost effective way for a business to save money. Lastly, a primary benefit of SIP trunking over PRIs is that SIP Trunks can be purchased from providers in increments of 1, whereas PRIs have to be purchased in increments of 23 channels.

When should a business use a SIP Trunk instead of hosted?

A business should look into purchasing from a SIP hosting provider when they decide that their needs are best met with a premise-based system. This system is often referred to as an IP-PBX. Coupled with SIP trunks, an IP-PBX serves up similar features to hosted solutions. SIP trunking typically save a business customer money over a hosted solution in that a SIP trunking can serve the needs of three to four employees (depending on over subscription) while a hosted seat is needed for each employee.

What equipment do I need for SIP Trunking?

SIP trunking can work with a SIP-ready PBX phone system. SIP phones can also be made to work with traditional analog or key systems with an IAD (Integrated Access Device). The SIP Trunk service provider will need to inter-operate with the underlying equipment manufacturer. However, it should be noted that with the advent of standards around RFC 3261 and SIP Connect, the challenge of finding Orlando SIP trunk service and providers with SIP phone compatible equipment has significantly decreased.

Will I need more Internet Connectivity when I buy SIP Trunks?

A SIP trunk is a virtual circuits delivered over an Internet Access line. Depending on the number of SIP trunks purchased, and the amount of excess Internet connectivity, businesses should talk to their internet providers and consider purchasing more Internet Access. However, it’s important to know that when a SIP phone line is not being used, the bandwidth otherwise allocated to a SIP trunking is freed up for use in less intensive applications, such as e-mail and general web use. This dynamic allocation of bandwidth is yet another feature of SIP trunking versus more traditional technologies, such as analog or PRI circuits. Please contact us to learn more about our SIP hosting solutions in Orlando FL.