SIP Trunk Benefits for Business Phone Systems

Session initiation protocol (SIP) trunking has become an essential part of network connectivity in any enterprise ,it is the use of voice over IP (VoIP) to facilitate the connection of a private branch exchange (PBX) to the Internet
In effect, the Internet replaces the conventional telephone trunk,allowing an enterprise to communicate with fixed and mobile telephone subscribers worldwide.
SIP trunking, businesses can now enjoy lower costs, better communication, and an increased ROI for their business. SIP trunking utilizes VoIP technology, including the SIP signaling method for establishing multimedia sessions over an IP network. Voice traffic is transmitted to and from the customer location via SIP trunks, and the SIP trunking provider transmits this traffic to and from the Public Switched Telephone Network (PSTN) via the Internet or a private network.
For businesses with IP PBX equipment, SIP trunking is the most cost-effective way to connect to the PSTN.
Whatever your situation, all of the following should be considered as core reasons to use SIP trunking.
 a-No need for a local connection to the PSTN
 b-SIP Trunking reduces hardware costs :eliminating the need to purchase ISDN, BRIs, PRIs or local PSTN gateways
c-Reduces toll charges for local, long distance and international calls : SIP trunking providers typically offer a choice of affordable long distance options, such as shared minute group plans, unlimited national/international calling plans. In addition, calls between multiple business locations using the same service provider are usually free, regardless of the physical distance between locations.
 d-Flexibility to Add New Lines:With a SIP trunk, you can add one line at a time making growth less costly than the alternatives
2)-SIP Trunks support Rich Communication
--e-mail, Web, voice mail, multiparty conferencing and multimedia collaboration, videoconferences.
--File transfer
--Application sharing, collaboration on a single document
--The distribution of alarms

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