What are the benefits of SIP trunking?

SIP trunking is suitable for businesses that require multiple telephone lines, such as SME, multinational companies with many global sites, etc. If users need to make multiple calls or think the business call volume will increase in the future, SIP trunking can be a multi-benefits solution.

Cost savings
Traditional phone lines can be costly, especially if the business has multiple unused lines or if users need to make frequent international calls. Businesses also have to bear the cost of hardware and maintenance.SIP trunking is often charged per channel, for example based on the maximum number of concurrent calls users wish to make. Some services offer flexible pricing, so users only pay for what used (limited or unlimited). SIP trunking pricing usually includes

Installation fee
A monthly fee for a broadband line
Price per channel, which may include call allowance
The actual cost of the call.
The choice of limited or unlimited depends on the type of call you are making, e.g. domestic vs. international. 

If users have multiple sites and use the same operator, calls between sites are usually free (users only pay a monthly fee for data circuits such as broadband). Users can expand your internet connection to accommodate the maximum amount of calls you expect to make. The amount of bandwidth required depends on the type of media (voice, video, messaging) and the codec used. Fibre broadband offers very high bandwidth rates, which means that a large number of concurrent calls can be supported.

SIP trunking sometimes operates on dedicated data circuits, especially for large enterprises. In such cases, the circuit provider either provides a service level agreement with a minimum expected service availability target, or a quality of service guarantee that ensures a minimum guaranteed amount of bandwidth and priority routing for voice traffic, or both.

This means that even if users add a new national or international site, users can still control the business telephone system. User can manage and control the own resources, rather than relying on your service provider to add new infrastructure or connections.

SIP trunking can be more reliable than traditional analog circuits. Firstly, it can support number failover, so if the primary number cannot be accessed, it can failover to a secondary number that may be located at another site. Secondly, SIP trunking does not use end-to-end fixed routing when routing calls, unlike traditional telephone lines. voice over IP (VoIP) calls can take different routes to their destination, thus overcoming network problems or disruptions that may prevent analogue calls from connecting. It is also possible to install broadband lines that are routed in a variety of ways for flexible connectivity to the office. 

Real-time analysis and insight
Because the SIP trunking system is cloud-based, users have real-time access to analytics and data insights.

Unified managed communications
SIP trunking enables teams to make and receive calls, video conferences and messages from a central site.

Call quality
SIP Trunking is designed to ensure that the digital telephone connection has sufficient bandwidth for high quality calls. As long as the Private Branch Exchange (PBX) is not overloaded, users can achieve clear calls even during busy hours. 

Unlike earlier telephone systems, the SIP trunk is a dedicated connection for calls. As part of its service, the SIP provider detects any unusual behavior in the call, which means that any surprises are flagged immediately. It is necessary to discuss with your SIP provider their specific security protocols.

SIP trunking is not associated with a local switch, so it is now possible to have a local number in any area, regardless of your physical location. In addition, if users are moving, they can take these numbers wherever they move.

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