- final boolean voiceVerification = ns.getBoolean("voice");
- final var captcha = ns.getString("captcha");
+ final boolean voiceVerification = Boolean.TRUE.equals(ns.getBoolean("voice"));
+ final var captchaString = ns.getString("captcha");
+ final var captcha = captchaString == null ? null : captchaString.replace("signalcaptcha://", "");