What is CLI?

CLI, which is the acronym for Calling Line Identity, is aintegrated phone system operated at a network level
method by which inbound calls made to a business orthen it is usually possible to ask the vendor to
individual can be identified by their number of origin andautomatically record the inbound numbers and details
in some cases the name of the person or organisationof the caller's identities as they are received. Details
that is associated with the number. CLI can be used onrelating to inbound caller identities can be used in a
analogue telephone services, but is also widelynumber of ways and can help when attempting to
available for network-based VoIP (Voice over Internetimprove the efficiency of a call centre or in analysing
Protocol) calls as well and the capabilities of CLI arethe demographics that make up your inbound call
constantly expanding. CLI can be used for a numbertraffic. For example, if you are attempting to find out
of reasons, but most businesses make use of thethe proportion of your inbound callers who originate
inbound caller's data as part of a statistics gatheringfrom non-geographic business numbers as opposed to
process, or in order to screen inbound calls andresidential numbers, CLI logging will make this easy to
respond to them appropriately.determine. It might also be useful for discovering if a
Many small businesses can benefit from CLI, especiallyparticular client is in contact more frequently others,
if they have limited telephone lines and need to workallowing you to tailor your service to the requirements
out the nature of the caller's requirements before theyof the most common inbound callers based on CLI
pick up the phone. Since business-to-business calls canstatistics.
sometimes involve numbers being screened, CLICLI is not just for use by firms wishing to monitor the
systems that automatically force the inbound caller tonumbers and identities of inbound calls; it is also
reveal their identity can also be useful in this situation.possible for calls made by a business to customers
For small businesses, it might also be useful to viewand clients to bear the correct contact number as part
CLI information relating to the number that the inboundof a built-in CLI system. This will make it easier for
caller has dialed. Small businesses may operatethose who have been contacted to call back and be
several general numbers, all of which route to a singledealt with appropriately. The majority of mobile phone
telephone line and as such it will be useful to find outhandsets have CLI built-in to make sure that all inbound
whether the inbound caller has dialed the number forcalls are recognised, although it is of course possible to
technical support, billing enquiries or service cancellation.block the identity of your number when making an
It will then be far easier to deal with the caller, with theiroutbound call.
identity revealed before the call is answered and anyAnother option for Numberstore customers have the
necessary preparations made ahead of theoption of forcing the CLI of their number. For example,
conversation.if you had some 0800 numbers. routing through to your
CLI logging equipment for calls made to your businessoffice number and you wanted to distinguish where
may also prove to be useful. There are individualeach call was coming from, the Force caller ID option
telephone handsets that can perform this function, or awould show the number that was being called on your
range of desktop devices. However, if you have ancaller ID display.