US Israeli website 
How do I access my voicemail?
For Cellular Israel Direct (CID) or Hot mobile:
From your phone dial *151.
When prompted for a password: The default password is 1234*
For Cellular One:
From your phone dial *151.
The default password is 1234
For other Providers:
From your phone hold down the 1 or dial *151.
The default password is generally 1234* (although it varies by provider)