How do I check my voicemail with South African SIM?

All South African Sims voice-mails are loaded with English language by default.
While residing in South Africa:

Dial 100 and follow prompts

While residing in another country:

Option 1
Dial +27831000000 and press call
You will be prompted for password ( standard password is 1234)

Option 2
Dial +2783100 and press call
You will be prompted for password ( standard password is 1234)

Option 3
Dial *111# and press call and if Prompted for password ( standard password is 1234)