tired of being cut off and being told someone will call me and then not call

Calling the call centre and holding forever and ever and when one eventually speaks to a person, they put you on hold and then cuts you off. This has happened twice in the past week. Somebody from Absa was SUPPOSED to call me yesterday but this did not happen. Pointless you sending me messages to contact my point of application, as when i do call I get cut off or get told somebody will call me later. When this gets said to me, I expect someone to call me.