Religious sound signaling correlates with missionary intent.

Evidence

Typically, while both the Muslim and Christian faiths have important signaling devices, the Jewish faith, which is not missionizing, does not. — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 894

Categorization

• XREF: Extends the chapter’s broader mapping of bells and horns as territorial signaling devices to religious broadcasting.
• corroborated: 2 independent passages support this claim — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 894