Reasons behind the Rise in SIP Trunking Installations

rise in SIP Trunking


According to the recent surveys the growth of SIP trunking deployment has reached 24.3 million trunks in 2013 from 8.5 million trunks in 2009. Enterprises are expanding their business communication services by using Session initiation Protocol Trunking which is a low cost alternative for legacy phone systems.

SIP Trunking technology is actually a service delivered by an Internet Telephony Service Provider (ITSP) that enables small and mid-sized businesses to gain a competitive telephony service against large competitors at low costs. More enterprise people are being convinced that IP-based networks will meet their needs, which lead to significant growth in SIP trunking deployment over the next three years.

SIP Trunking offers a wide range of benefits like cost savings, flexibility, scalability, disaster recovery, simplified management, enhanced telecommuting, reduced call charges for domestic and international calls etc. In addition to that, it provides customer retention to the service providers and helps the enterprises to expand out of their geographic location. It also helps to connect remote employees with central offices via VoIP.

Due to the excellent flexibility and scalability of services, SIP trunking will likely become the foundation for cloud based enhanced services in the coming years. It has been proven to greatly increase flexibility and significantly reduce the provisioning times. It’s a technology that can grow along with the business while providing an impressive range of Internet telephony services. It provides provisions for expanding business communications by maintaining continuity.

When compared with traditional TDM circuits SIP trunks can provide an average of 50 to 70 % cost savings. Savings is the best reason behind the adoption of SIP trunking technology. Instead of multiple TDM lines, SIP trunks make use of a single IP connection to connect all the enterprises voice traffic to service provider’s network. SIP enables the enterprises to buy only the number of extensions actually needed rather than buying lines as bundles of 23. Customers can also expect cost saving by reducing the required hardware resources and copper circuits at corporate sites.

Installation of SIP trunking is a process that requires better training for end users regarding the implementation process and how Quality of Service can be achieved. SIP trunking implementation is not simple. It’s a process that requires high degree of planning, preparation researching out a lot of details. Some tips that should be considered before the installation of SIP trunks are mentioned below:

  • Check whether your current PBX system supports SIP; if not then try for upgradations.
  • Wisely select the service provider and know your requirements well to avoid attempts from the service provider to sell more than what is needed.
  • Provide redundant trunks that have separate entry paths to the trunk.
  • Provide reliable 911 services.
  • Be sure that the existing data connection has the capacity to handle voice traffic, as the voice communication requires more clarity.
  • Devices like Session Border Controllers (SBC) can provide security, interoperability, routing and other functions in a SIP network. It can protect both data and voice networks when VoIP is integrated in the system.

As a result of the immense benefits offered by BroadConnect Telecom, small and midsized businesses are greatly having a transition towards IP-PBXs which causes a rise in demand for SIP trunking. In the coming years we expect to see a sustainable growth in SIP trunking deployment due not only the increase of mobility of devices but also the extensive use of video, security, CRM, cloud systems and open standard appliances.


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