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How do I withhold my Caller ID?

For calls to the PSTN via DrayTEL, dial *141 immediately before the destination phone number. You can test this by dialling your own mobile phone with and without the *141 for example. For direct VoIP/SIP calls which don't go via the DrayTEL server, *141 does not work; the SIP protocol will deliver your SIP address (but not your PSTN number).

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