Why are SIP trunks needed in VoIP?

 

Why are SIP trunks needed in VoIP?

  • In a Voice over Internet Protocol (VoIP) system, SIP trunks provide protocols that govern how call sessions are created, modified or terminated.

  • SIP is not the only protocol that can enable VoIP telephony, but is one of the most widely used because it can also enable videoconferencing, instant messaging and other forms of communication in addition to voice.

SIP trunks and VoIP systems are two of the more common technologies used when implementing systems to route phone calls over the Internet instead of over traditional telephone lines. While many people use these terms interchangeably, they are distinctly different: SIP protocols enable VoIP telephony. But why are SIP trunks needed in VoIP, exactly? Here’s a brief introduction to “Why are SIP trunks needed in VoIP?” that offers an overview.

Why are SIP trunks needed in VoIP?

SIP trunks use Session Initiation Protocol to transmit information between two points on a network, or in the case of VoIP, between two phones. While SIP is not the only protocol that enables VoIP, it is one of the most widely used because it can also enable other types of communication in addition to voice.

Why are SIP trunks needed in VoIP in order to scale easily?

When using SIP trunks with VoIP, organizations can easily add or remove lines as needed simply by contacting the SIP provider.

Why are SIP trunks needed in VoIP to achieve ROI?

When using SIP trunks to enable VoIP, the upfront investment is minimal, enabling organizations to begin saving money and improving ROI from the first month on.

Why are SIP trunks needed in VoIP if I want Unified Communications?

VoIP technology on its own is only able to support voice calls. By adding SIP trunks to a VoIP system, organizations can also support videoconferencing, instant messaging, collaboration apps and other cloud-based tools for productivity.

Why are SIP trunks needed in VoIP for mobility?

SIP trunks promote mobility within VoIP implementations by providing flexible VoIP apps that can be installed on employee mobile devices such as laptops, tablets and smartphones.

Why are SIP trunks needed in VoIP when consolidating voice and data?

SIP trunks enable enterprises to consolidate voice and data in a single network, rather than paying for data and telephone services separately.

Why are SIP trunks needed in VoIP for reliability?

SIP trunks add additional reliability to VoIP technology. With the right vendor, SIP trunks can provide redundancy through various forms of failover, routing calls to other offices or mobile devices.