Spam calls are a different issue (spam is usually VOIP). Spammers also often use spoofed numbers since STIR/SHAKEN is somehow still not properly implemented.
Spam calls are a different issue (spam is usually VOIP). Spammers also often use spoofed numbers since STIR/SHAKEN is somehow still not properly implemented.
All carrier interconnects use VoIP protocols since forever anyway. So this is pretty much a distinction without a difference. STIR/SHAKEN affects both