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Continue to ChatBlackBerry BIS and BES support to be discontinued on MTN https://www.techtrends.co.zm/blackberry-bis-and-bes-support-to-be-discontinued-on-mtn/
BlackBerry BIS and BES support to be discontinued on MTN https://www.techtrends.co.zm/blackberry-bis-and-bes-support-to-be-discontinued-on-mtn/