Instant Money Issue

I sent an instant money from my app from my savings account to ***, they are unable to withdraw the money, i logged onto the app to manage the voucher and try resend the pin and the voucher is not there i tried to call the contact center on *** and waited for 40 minutes with out any assistance, i am calling again the self service option to resend the voucher is saying its unavailable as im typing this I have been waiting for over 30 minutes agian with no avail, is there anyone there to assist or this is number put there to waste customers time and airtime ??