May God bless you and protect you from all evil. The issue is not that you are blocked, but even when you make a call, they add you to the group, because it is a private group. May God grant justice, and there is no power or strength except with God Almighty.
ﺗﺒﺎﺭﻙ ﷲ ﻭﺭﺑﻲ ﻳﺤﻔﻈﻚ ﻣﻦ ﻛﻞ ﺷﺮ، ﺍﻟﻤﺴﺄﻟﺔ ﻣﺎﺷﻲ ﺃﻧﻚ ﻣﺒﻠﻮﻛﻴﺎ ﻟﻜﻦ ﺣﺘﻰ ﻛﺘﺪﻳﺮﻱ ﺍﺳﺘﺪﻋﺎﺀ ﻋﺎﺩ ﻛﻴﺪﺧﻠﻮﻙ ﻧﺎﻟﻜﺮﻭﺏ، ﺣﻴﺖ ﻛﻴﻜﻮﻥ ﻛﺮﻭﺏ ﺧﺎﺹ ﻭﷲ ﻳﺎﺧﺬ ﺍﻟﺤﻖ ﻭﻻ ﺣﻮﻝ ﻭﻻ ﻗﻮﺓ ﺇﻻ ﺑﺎﻟﻠﻪ ﺍﻟﻌﻠﻲ ﺍﻟﻌﻈﻴﻢ