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support at drdos.info
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 Posted: Tue Aug 26, 2014 9:55 am Post subject: [asterisk-users] OT: Question on Caller ID (Spoofing calls w |
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| Quote: | | Quote: | What I found curious was the caller's name was Asterisk
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On our systems, if I don't assign a CID number to an inbound call that is blocking it's CID, the default shown on the Polycom phones is Asterisk. I've set it up that any inbound call with no CID is assigned a 0 for the phone number and Restricted as the CID name.
Doug
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kevin.larsen at pionee...
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| Posted: Tue Aug 26, 2014 10:05 am Post subject: [asterisk-users] OT: Question on Caller ID (Spoofing calls w |
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| Quote: | I got a call from an overseas call center telling me about the
problems with the Windows machine I was using. They wanted to remote
in and fix things for me ... (Ignore the fact I use a MacBook Pro or
an ASUS laptop with Debian).
What I found curious was the caller's name was Asterisk, and the
caller's number was Asterisk@10 or or Astrk@10 similar. (I don't
recall the exact number, but it was malformed and it had an '@' in
it).
I'd like to read a little more about spoofing calls with Asterisk. Can
anyone provide a reference?
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There really isn't much extra to read. Like the others have said, I can set my caller id to be anything I want with Asterisk. Whether the downstream carrier will accept it is another matter entirely. I work with multiple carriers at my locations around the world and have found they usually do one of three things.
1. Allow only the main number on the account as the outbound caller ID. I hate this one as I may very well want my CID to not be the main number in some cases.
2. Allow the CID to be any number I own through that carrier. This one is preferable as it allows people to have their direct dial number show up as their caller ID.
3. Allow the CID to be any number. This one is how you get spoofing to work. The carriers themselves can still tell who actually sent the call, but most people won't go through the hassle of tracking it down to get the spoofers taken care of.
Additionally, some carriers will reject an outbound call from you if your CID isn't set correctly, others will just silently reset it to your main number in the background. |
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