Business Lines

Lines For Whatever Size Your Business

  A choice of lines to suit your needs
  Analogue Exchange lines
  SIP Trunking
  The fastest possible speeds at the busiest times

Cani Lines

Cani can provide business line packages that are tailored to meet the specific communications requirements of your business, whatever its size today or tomorrow.

We can offer you a full range of telecommunications services and highly competitive tariffs as well.

Whether you need us to arrange the installation of new lines or want to transfer your existing services, Cani makes everything quick and easy with no disruption to your business operations.





We will help you to decide which features, functionality and connections are the best to suit your business. 


Cani Group are totally independent of ANY manufacturer or supplier. we advise on the best solution to suit your needs. 


Analogue, ISDN2, ISDN30 or SIP Trunks can be connected to your system. We will help you pick the best for your business.

System Maintenance

Package that will deal with any problems you may have, delt with quickly and professionally, keeping you operational.


Analogue Exchange Lines

A simple analogue telephone line is a voice circuit historically made from copper wire that runs from your business location to Public Switched Telephone Network (PSTN). One line can handle one conversation at a time; when the line is in use, a busy signal is heard.

Analogue lines can have auxiliary lines connected to them which gives several lines using the same number.

The number of simultaneous calls is totally dependent upon the number of analogue and auxiliary lines supplied. If 3 lines are supplied, the fourth call to that number will receive busy signal.

Each line can have a POT (Plain ordinary telephone) attached to it or several lines may be connected to a PBX (Telephone system) so the lines can be shared between extension users.

Typical business phone systems are configured in ratios of 3-4 telephone lines for every 8 phone extensions.


If your business needs between 2 and 8 voice lines, then ISDN2e should be considered. Note, if you need 8 lines or more, ISDN30 is a better option. 
ISDN2e is installed in pairs of channels. As this is a digital connection each line is referred to as a ‘channel’ rather than a line. 
Indeed an ISDN2e line refers to a pair of channels. An ISDN2e line (2 channels) is also sometimes referred to as an ISDN2e circuit. 
Each ISDN2e line (circuit) therefore provides 2 simultaneous calls, thus equivalent to having two regular lines. 
If your business or organisation requires 4 simultaneous calls, you will need two ISDN2e lines/circuits providing four channels. 
If you need 6 simultaneous calls, you will need three ISDN2e lines/circuits providing 6 channels and so on.


ISDN30 is the same in functionality to ISDN2 but as the name says it will cater for up to 30 channels.

If your business needs at least 8 simultaneous voice connections to the outside world then ISDN30 should be considered.

You HAVE TO PAY FOR A MINIMUM OF 8 LINES. Therefore, if you need, say, 4 lines, you should install ISDN2e.

Note the functionality of ISDN30 and ISDN2e is identical. ISDN30 and ISDN2e only differ in their pricing (slightly) and the way in which they are delivered to your premises.

ISDN2e and ISDN30 allow numerous features that are not available on analogue lines such as: Caller Line Identity Presentation (CLIP) Caller ID - this will provide you with the incoming caller's number (as long as it is not withheld) 'DDI's - This stands for 'Direct Dial Inwards' direct dialling to the desk

Call diversion – to another number when required.

Sip Trunking

Most UK business systems connect via analogue or ISDN lines which have been around for years and are extremely reliable, however they are slowly being replaced by VoIP (Voice over Internet Protocol) based services such as Hosted Telephony and SIP.

Traditional ISDN services are expensive and inflexible. If you have a PBX on premise SIP Trunks are a replacement for ISDN. You may be able to benefit from the scalability and flexibility of IP telephony without having to replace your entire phone system.

SIP Trunks are the new alternative. Standing for Session Initiation Protocol, SIP directs calls over your internet connection, reducing or removing the need for ISDN circuits.

Built for businesses that want more from their traditional telephone system, SIP trunking provides all the benefits of cutting-edge VoIP technology, without the need to replace a system you may just have invested in.

Benefits of SIP

Cheaper connectivity Internet connectivity prices have come right down recently, whilst ISDN prices have stayed broadly unchanged. So if you rent ISDN lines, you're probably paying more than you need to.

Only pay for what you need With ISDN2 you buy two channels at a time. With ISDN30 you buy a minimum of eight channels. SIP can provide any number of channels, in increments of one, only limited by your bandwidth.

No additional hardware costs. With ISDN, if you need to add a circuit, you may need an extra ISDN line card for your phone system. The cost (if your system can accommodate it) can set you back a substantial amount. Not so with SIP.

Disaster Recovery ready. SIP Trunking can increase your phone system's resilience, by eliminating its dependency on individual circuits.