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Knowledgebase : Device Configuration Guides > IP Phones
 

GHOST CALL EXPERIENCE Ghost Calls are calls that are appearing to come from unknown extensions (example: 101, 102, 1001, 1002, etc) and when answered, there is no one on the other side. Sometimes these calls can occur at random or with a consistent rate....
Below is a list of the first 3 segments of individual phone MAC addresses by vendor. This will help you identify devices on your network. 00:01:E3 SIEMENS 00:03:6B CISCO1 00:12:43 CISCO2 00:0F:E2 H3C 00:60:B9 NITSUKO 00:D0:1E PINTEL 00:E0:75 VERILINK 00...