Settings and activity
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4 votes
Raymond
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12 votes
Raymond
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205 votes
Raymond
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We had a PSTN caller spoof a ringcentral managed/hosted number and call another ringcentral user. As a result, the call looked completely trusted, as ringcentral then included the real users caller id.
I understand the complexity in blocking all spoofed PSTN calls, but it should be possible to have the ringcentral network tell the client app that the call is from an external PSTN network, and then the cleint app can then compare to the numbers in its phonebook - if a call is coming in from a PSTN with a DID of a number in the phonebook, then mark the caller ID as "potentially spam" or similar.