Not sure if this is related to being on VoIP, or if it would affect POTS just the same. Most evenings for the last week we have had silent calls. Below is a list of the numbers as they show on our phone.
20/4
18188439427
0018188439427
21/4
907887537793
000907887537793
23/4
06421536294
0006421536294
23/4
21341752755
0021341752755
24/4
13604690456
0013604690456
26/4
private caller
27/4
private caller
Any ideas?