callid32.dll is a CALLIDDB
belonging to Procomm Plus Caller ID Database Library
from Symantec Corporation
Non-system processes like callid32.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.