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Home       Value-added Services       Call Guard
Call Guard
Take control of incoming calls
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It was recently reported that some call-blocking apps compile users’ contact lists into a public database. 3 billions of phone numbers and personal information have been disclosed.
SmarTone is committed to protecting your privacy, and our Call Guard service never saves your contact lists. Call Guard has blocked over 200 million junk calls since its launch#, and will continue to provide a hassle-free service to protect you from unwanted calls.

Key Features Highlight

Block junk calls at the mobile network before they reach your phone Block junk calls at the mobile network before they reach your phone

  • The only app that blocks reported junk calls at the mobile network before they reach your phone, including local and overseas numbers, even the ones without caller ID
  • Enjoy effective junk call blocking through our ever-expanding user contributed database
  • One tap to report last junk call *(even without Caller ID)
  • All reported numbers are verified to prevent false reporting and protect user rights

Notify you if the incoming call is from overseas

  • "Overseas Call Notification" enables you to identify calls originated from outside Hong Kong when you pick up the call, even if the caller’s number appears to be a Hong Kong number.

A range of flexible blocking options

  • White List
    Only lets the people you care about reach you directly and forwards all other calls to voicemail. This feature is especially useful when you’re abroad as it can help you avoid being disturbed when you are sleeping in a different time-zone and avoid unnecessary roaming charges
  • Black List
    Your own personalised list to block people you don't want to hear from
  • Bar Withheld Numbers
    Block all incoming calls with a hidden caller ID. We also offer the flexibility for you to receive international calls even if the caller ID is hidden^
  • Unbar Junk Callers
    In the unlikely event that you want to receive a marketing call, to ensure it won’t be blocked by the Junk Calls feature, you may unblock the caller with the Unbar Junk Callers feature
  • VIP Only
    By activating this feature, you will only receive calls from numbers on your "VIP List", while all other calls will be forwarded to voicemail. This feature is especially useful when you are abroad as it eliminates unnecessary roaming charges and leaves you undisturbed when sleeping in a different time zone

Call Guard is applicable to smartphone platforms – iOS and Android.

  • # Launched in Aug 2011
  • * Refers to the last call answered by the user or connected to voicemail
  • ^ The caller ID of some international calls may be hidden because of the IDD setting of the provider

Want a more comprehensive protection? Choose “Cyber & Voice Security” for a complete data and call defense!

Learn More

Follow for the latest anti-fraud information to protect yourself from phone scams!

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