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What is sip trunking?


Added: 05-12-2008
Author: Sandy Spink
Category: VoIP 		← Back | ↓ Related | Home →


White Paper On Sip Trunking - Definition And Profit

In answering a question that is often directly on the subjects of our customers, we have been preparing for this technology the nature of white paper to help you understand what's happening in the world of converging IT and Telecoms. We hope that the interest rate.

1.What is SIP Trunking?

SIP (Session Initiation Protocol) trunking technology is expected to replace ISDN as the end to carry voice traffic from PSTN (Public Switched Telephone Network) for companies or PABXs telephone systems. Is to provide PSTN using Voice over IP (VoIP) and there are many end users benefit from the flexibility and cost savings disaster recovery. BT's 21st Century Network (21CN) is based around the conversion of traditional exchanges to provide all end users and VoIP using SIP will show more in the years ahead.

2.How does it work?

Or service provider will use the port number (s) on a network share or host their own forum, which will be present at a secure data center. And this number is re-presented in the IP private network (MPLS, VPLS) or internet connection to return the customer premises. Quality of Service (QoS) is important in a VoIP environment and this partnership can only be given to the leased line, MPLS or VPLS network. So leased line is provided to connect the MPLS cloud, which in turn is related to the operator, who will have a link to the PSTN. Virtual Route Forwarding can also begin to provide Internet access from leased line connections similar to reduce costs (see Figure 1, the rate of the scheme).

Broadband ADSL can be used in situations where a small number of users, but he had to take any QoS should be used in isolation and data services. It's better for homeworkers and branch offices are small.

Usually providers supply all the MPLS exchange relationships as a single product, although in many cases this will be done through contracts and interconnection links between the various service providers (as is the case in traditional phone lines). End users will not know who provides the place of their services.

SIP Trunk presents existing PBX equipment, using either the media or an external gateway software as a system that really new. Efficiency is seen as the rod system is usually an ISDN line, so there is no final from the perspective of the user.

3.What benefits?

SIP trunks typically use are:

-Disaster recovery / business continuity

Re-ddI is now the number one location of power is one of the key benefits of SIP trunking. DDI can only be number one traditional deployment in emergencies, in many cases, this means hundreds back to number one operator, which will be difficult to handle.

With SIP trunking, DDIs can create a user key or a dedicated telephone landlines in different regions; others, hosted IP PBX extensions can serve as backup and log in from any Internet connection. The key point is that the unlimited inbound numbers in one location and the program can be more flexible about this.

-Geographic number portability

The number is also no longer limited to exchange places. What if moving the office usually has a different exchange area, it makes no difference to them SIP trunks as the only re-presented in the new network / internet connection.

-Cost Reduction

SIP Trunk cost around £ 5 per line per month, against £ 17 per line per month for ISDN 30. The leased line connection to the MPLS network must be taken into account, however, this may be off-set along with the VRF or Internet gateway services, the cost in one of two zitakunjwa, ISDN and the Internet.

It's also possible to save thousands compared to traditional DR services involve the provision of a truck with a cellular system or a disaster recovery site location, which was held in high costs and may never be used.

4.How will benefit my business?

Literally there are several examples in which the organization can save money and improve their business continuity plans. The sound is always close relationship they had forgotten to prepare for the worse and the public still operational jugular. Cut customers and support staff to speak with you and the best you can hope to beat wildly before falling on the pile is not dignified!



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