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rotemshein
Beginner

phantom calls with PRI circuits

hey fellows, have anyone came across strange phantom calls issues involving PRI switches.

issue reported: several times per day all phones in the office will start ring repeatedly and caller ID will present something like 5 or 555 string

true that it sounds like a pure PBX issue but i am getting more examples from different PBX brands in different geo locations

any thoughts ?

thanks

2 REPLIES 2
rotem.shein
Beginner

Issue resolved and related to security cause

Sent from Cisco Technical Support iPad App

Hi Rotem,

What was the security cause?  We just had the same issue in our office.  All lines and all phones rang from an external number 973-829-0000.

Greg