Poland: 2 good offers from Play and Heyah

[9eor9]

Originally Posted by Effendi

If you dial ##002# you delete any call diversion, including the one to the voice-mail. This is a universal GSM command. Some operators, anyway, don't allow the deactivation of voicemail. I don't know if Heyah/Era is one of these...

What is not possible in the home country of the SIM may be possible on roaming, as mailboxes can cause uncontrollable roaming expenses.
Some providers alllow to delete voicemail services only by a call through the serviceline menu, i.e. congstar.