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Session Initiation Protocol
SIP Trunking is another form of connectivity, which can be used with your Telephone System or PBX.
As a result of this testing, we can provide our customers with an effective SIP Trunking solution which provides 99.9% up time and excellent HD voice quality, we are so confident in this product, we also use it in our own Head Office. When SIP Trunking is deployed, in conjunction with reliable Business Broadband failover on an appropriate router for the environment, our customers have peace of mind knowing that their connectivity is stable and reliable.
In addition to this, we also have a disaster recovery system which allows us to divert your SIP Trunks to any other telephone number within 15 mins of the fault being reported. BT Openreach recently announced that they will be discontinuing ISDN by 2025, with the intention of moving all connectivity to their IP network. This has driven a large proportion of Business users to consider (SIP – Session initiation protocol).
It’s amazing to consider, after all the advances in telecommunication, the telephone continues to remain the main engine for 98 % of sales revenue in businesses.
Therefore we did not try and replace the telephone, instead developed the way we use it, with SIP Trunking
The very latest technology available on the market
Never miss a call with the sophisticated in-built disaster recovery plan
You can change how you want calls delivered within seconds via our portal
Low monthly rental and inclusive call bundles
BT Openreach
have announced
end of life in 2025
High monthly Line Rental and expensive call costs
Delays to diverts activated which can result in downtime and missed calls
Faults carry a longer lead-time and higher engineering costs
| SIP | VOIP |
|---|---|
| SIP is also known as Session Internet Protocol, this used to modify and terminate multimedia sessions such as VoIP calls, using application layer protocol and also requires a PBX/Telephone System. | VoIP - Also know as voice over IP - Simply means the ability to make and receive telephone calls over the internet or an internal network. |
| SIP can carry all forms of media by transmission via any data networks. SIP trunks function by sending packets, which often include data, voice or even video content. This allows users to facility voice and video calls via their Broadband connection, in conjunction with a PBX Telephon System, often at little to no cost. | VoIP can carry voice traffic only, using any data/broadband network. The primary difference between VoIP and SIP trunks are that SIP Trunks send data packets, thus facilitating all forms of communication such as video call, voice and data. Users may opt for SIP trunks instead of VoIP if they wish to use functions such as video conference calls on their PBX Telephone System. |
| The only requirement is a data connection and SIP Device or PBX, which enables SIP to function. SIP Trunks are more like a traditional line, unlike VoIP devices, they do not need to connect to central computer. | VoIP phones, also known as Hosted phones, must be connected to a centralised computer to enable inbound or outbound calls, this computer is often in a hosted enviroment and can provide access for multiple hosted system deployments at one time. |
Using a traditional phone system which is not VoIP-capable? – You can still switch to SIP Trunking. SIP Trunking plugs into your phone system enabling calls in and out of your premises. Connection is made through a SIP gateway, which connects to your internet modem and relays data that it reads from your telephone system. Numbers can be ported and retained, making for a seamless, cost effective switch.
Any business can choose SIP trunking technology; however, the question is whether your business needs to use it. If your company needs to make more than 4 consecutive calls at any one point, then you will probably find SIP trunking would be a product to consider.
It will reduce your business overhead and enable you to increase capacity for those days when the phones are a little busier than usual. Another great advantage of SIP trunking is its scalability.
When a new team or member of staff comes into your business, there is no need for an Openreach Engineer to attend site to install more phone lines.
At the click of a button L A Comms can add additional capacity at a fraction of the cost of a traditional Phone Line, therefore if you know your business telecoms requirement is going to increase over the coming years, it is important you start out with the right technology, and this is why our Local Account Manager will attend site to understand your businesses goals, before suggesting the most appropriate solution.
If you do not have a reasonable level of upload bandwidth on your Broadband connection, or cannot get Fibre Broadband, do not use SIP trunking, unless you are going to use a dedicated Broadband for the connectivity.
This product is only advantageous when deployed correctly. Each concurrent call uses 100kb/s of upload and as the average ADSL Broadband only provides 1MB/s of upload, you will soon find your SIP trunks suffering from packet loss, (broken voice) if your network cannot handle the traffic appropriately.
L A Comms will allocate your business with a Local Account Manager, who will attend your business and establish what Broadband speed and networking environment you have, allowing our business to put forward an appropriate solution.
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