DID providers - Withheld Caller Id

Discussion in 'UK VOIP' started by Nick, Jul 27, 2013.

  1. Nick

    Nick Guest

    I would like to spam trap calls from telemarketers, etc. I can actually
    do this in many cases because a lot of telemarketers use easily
    identifiable numbers. However they do also sometimes withhold their
    numbers. I cannot routinely block withheld numbers as I also receive a
    large number of calls from genuine uk businesses who very unhelpfully
    also choose to withhold caller id.

    I recently read that when a caller withholds caller id this does not in
    itself prevent id information being sent, it just sets a flag saying the
    entity providing the DID (Direct Inward Dialing) service should strip
    the information before sending it on to the customer receiving the call.

    It also appears that some DID providers for SIP lines do not do this.
    I'm with Sipgate which does appear to strip the information. Does anyone
    know of alternative DID providers who do not strip the information.
     
    Nick, Jul 27, 2013
    #1
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  2. Nick

    Graham. Guest

    On Sat, 27 Jul 2013 17:14:03 +0100, Nick <>
    wrote:

    >I would like to spam trap calls from telemarketers, etc. I can actually
    >do this in many cases because a lot of telemarketers use easily
    >identifiable numbers. However they do also sometimes withhold their
    >numbers. I cannot routinely block withheld numbers as I also receive a
    >large number of calls from genuine uk businesses who very unhelpfully
    >also choose to withhold caller id.
    >
    >I recently read that when a caller withholds caller id this does not in
    >itself prevent id information being sent, it just sets a flag saying the
    >entity providing the DID (Direct Inward Dialing) service should strip
    >the information before sending it on to the customer receiving the call.
    >
    >It also appears that some DID providers for SIP lines do not do this.
    >I'm with Sipgate which does appear to strip the information. Does anyone
    >know of alternative DID providers who do not strip the information.



    Yes, but if I posted it here it might stop and it's usful.
    Is your email valid?

    --
    Graham.

    %Profound_observation%
     
    Graham., Jul 27, 2013
    #2
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  3. Nick

    Nick Guest

    On 27/07/2013 19:37, Graham. wrote:

    >
    > Yes, but if I posted it here it might stop and it's usful.
    > Is your email valid?
    >


    Yes my email is valid.

    thks
     
    Nick, Jul 27, 2013
    #3
  4. Nick

    Dave Guest

    "Graham." wrote in message
    news:...

    On Sat, 27 Jul 2013 17:14:03 +0100, Nick <>
    wrote:

    >I would like to spam trap calls from telemarketers, etc. I can actually
    >do this in many cases because a lot of telemarketers use easily
    >identifiable numbers. However they do also sometimes withhold their
    >numbers. I cannot routinely block withheld numbers as I also receive a
    >large number of calls from genuine uk businesses who very unhelpfully
    >also choose to withhold caller id.
    >
    >I recently read that when a caller withholds caller id this does not in
    >itself prevent id information being sent, it just sets a flag saying the
    >entity providing the DID (Direct Inward Dialing) service should strip
    >the information before sending it on to the customer receiving the call.
    >
    >It also appears that some DID providers for SIP lines do not do this.
    >I'm with Sipgate which does appear to strip the information. Does anyone
    >know of alternative DID providers who do not strip the information.



    Yes, but if I posted it here it might stop and it's usful.
    Is your email valid?

    --
    Graham.

    %Profound_observation%


    Hi Graham, That info would also be useful to me please...

    Dave.
     
    Dave, Jul 28, 2013
    #4
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