Imagine receiving a call that never says a word, then drops. That silent ring is a classic hallmark of a call centre probing for active numbers, often using 087 value‑added service prefixes tied to VoIP platforms. These one‑second dials let operators flag reachable lines for future campaigns, which can quickly become a nuisance. To protect yourself, consider blocking the prefix, enabling caller ID filtering, or registering with a do‑not‑call list if available. Regularly review your phone bill for unknown outbound connections and report persistent abuse to your carrier. Staying proactive keeps your inbox quiet and your privacy intact.
Multiple calls from them, but they disconnect without a word. Might be a 08736237xx call center that gives a single ring to check if the line is live. Code 087 is for value-added services like VoIP.
I-call centre ibonakala inganaki, ngababona bengazami ukusiza.
