Session Initiation Protocol is more commonly referred to as SIP and is the standard protocol for voice and video communications in a UC (Unified Communications) solution across a data network. The need for traditional analog is replaced by a SIP Trunking; this is a PSTN (Public Switched Telephone Network) connection that is T-1 based with termination which is instead provided through a SIP provider over the public or private Internet connection of a company. Often referred to as ITSP (Internet Telephony Service Providers), these SIP providers offer PSTN service in either a channelized or a per minute pricing model.
The communications and cost savings of opting for SIP Trunking are quite substantial. With the existing PBX services, most companies experience very high costs, while still dealing with the constraints of the limited communications technology that is being provided by their current telecommunications company.
The high costs that are incurred could be via a combination of monthly bills, these bills include long distance charges, charges for incoming phone lines as well as maintenance fees, with an SIP Trunking provider, all of these can either be drastically reduced is not even completely eliminated.
With SIP Trunking, companies are able to pay only for the amount of lines they actually need instead of being locked in to T1s and PRIs that are being partially used or excess analog lines. By either purchasing only the amount of channels necessary, or by only paying for the amount of minutes used, there are great savings for a company. With this option, companies are able to more efficiently use their communications costs as well as reduce or completely eradicate resources that are being wasted.
The physical connection to a phone company is eliminated with SIP Trunking. In order to connect to the PSTN, there is no need for wiring, hardware or circuit boxes to maintain. Multiple phone lines are reduced into one point of entry, charges for incoming costs as well as the IT associated costs for maintaining all those lines are drastically reduced.
Reliability of services is increased with SIP Trunking and VoIP as through providing a level of redundancy. If there were to be a system failure or an emergency, services can be rerouted by SIP Trunking providers to a redundant line or they can be forwarded to the PBX mobile phones guaranteeing that your business stays up and running. This is why many businesses are opting to switch to SIP Trunking services.