Caller ID is not displaying on the call blocker screen but my phones show caller ID; What is the problem?

Caller ID is not displaying on the call blocker screen but my phones show caller ID; What is the problem?

You may have accidentally placed the Call Blocker into Foreign Caller ID mode (DTMF) instead of the default FSK mode. The Call Blocker has three different Caller ID modes try all three to see which one works. Get a dial tone and enter:

**9#100#
Check to see if caller ID returns, if not try the following:
**9#200#
Check to see if caller ID returns, if not try the following:
**9#300#

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