sherbert wrote on Oct 24
th, 2009 at 9:37am:
I see that BT offer this service....Anonymous Call RejectBlock calls from withheld or anonymous numbers
This is NOT the answer to Silent Calls. Many Silent Callers use genuine CLI, others use false CLI to get around this feature.
There are also many genuine calls where a CLI is not provided. Some individuals (e.g. MP's) withhold their personal numbers as standard. Some organisations (e,g, the BBC) do this as a matter of policy, not to hide, but simply because they cannot guarantee a direct dial number to enable someone who misses a call to find out why they were calling. This policy may affect individuals calling from their workplace. There are also many other wanted calls that could be missed, e,g, from friends abroad or calling from a hotel; there may also be cases where helpful calls in emergency type situations would not get through.
I have long maintained that whilst CLI can be a useful positive feature for various purposes, is not the answer to anything and it should NOT be mandated as a general rule. It is far less relevant to the issue of Silent Calls than many claim. It certainly does not identify the "caller". Nor does if even offer a gauaranteed means of identifying the caller and the purpose of the call for those who are preared to spend lots of time and money trying to investigate.
This will be one of the topics that I will be covering when I get my new Blog fully loaded with information.
IT IS NOW OPEN -
http://scvictim.blogspot.com/.
There is some stuff there already, much more will follow and it will keep changing. Feeds are available for those who want to keep up to date.