SIP trunks are a Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP). This service is offered by Internet telephony service providers (ITSPs). Telephone dial tone services are delivered to customers equipped with SIP-based telephone systems, or with analog terminal adaptors over an internet or private connection. In plain english this means you will be getting your dial tone over your internet connection, instead of using traditional analog or digital circuits .
Some of the benefits of using Datacom’s SIP trunks:
- Lower monthly cost
- More flexibility
- Move your number with you no matter where you go
- The ability to control your outbound caller ID
- Quick response time for add moves and changes
SIP trunking is provided by SIP providers, which are similar to traditional phone companies, except SIP providers give access to phone lines over the internet (and SIP service is significantly less expensive – sometimes as much as 60-80% less).
How does SIP Trunking work?
SIP trunking works with VoIP phone systems (Voice Over Internet Protocol) and is based on SIP (Session Initiation Protocol). SIP, which is the basis of SIP Trunking, is the standard communications protocol for voice and video in a Unified Communications (UC) solution across a data network. SIP Trunking eliminates the physical connection to a phone company. There are no hardware, wiring, or circuit boxes to maintain for connection to the PSTN (phone service provider). A SIP “trunk” is installed virtually over your business’s existing internet connection, therefore replacing the need for traditional analog phone lines. Reducing multiple phone lines into a single point of entry drastically reduce charges for incoming lines and the IT cost associated with the maintenance of those lines. (Some organizations prefer to maintain standard lines for faxes and alarms.) A phone number, or Direct Inward Dialing number (DID), is less expensive when purchased with a SIP Trunk. Traditionally, when a DID is obtained from a phone company, charges are applied for the DID, IT and maintenance services, and the hardware connecting the shared physical lines or channels. A DID provided without these infrastructure costs is more affordable.
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