March 18, 2020
— The SIP Trunking is considered to be an important service that is mainly offered by a communication service provider. It again makes use of the protocol to provision voice over IP or VoIP connectivity in between a PSTN or public switched telephone network and on-premises phone system.
Also, the SIP is mainly used for call management, establishment along with teardown. Typically, the SIP trunking is sold as a replacement for the digital PRIs.
Key Benefits Of SIP Trunking
SIP trunking, specifically, from the perspective of the customer is involved in offering greater purchasing flexibility rather than the TDM. Also, a minimum of 23 voice channels is effectively supported by the TDM trunks.
On the other hand, the SIP trunks can be purchased in any increment. So, it does not requires a dedicated wide area network or WAN circuit.
SIP Trunking Architecture
Typically, the SIP trunking provides for a session border controller to mediate the connection between the on-premises phone system and also the SIP trunk.
A central point is also generally provided by the SBCS for the management of call routing policy, security, transcoding of voice codecs and numbering plans.
So, these are some of the most important benefits of SIP trunking. It also provides some additional services like encryption of voice calls to meet the specific needs of security.
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