Synopsis:
Enter voicemail system
Description:
VoiceMailMain2()
Enters the main voicemail system for the checking of voicemail. The mailbox can be passed as the option, which will stop the voicemail system from prompting the user for the mailbox. If the mailbox is preceded by ‘s’ then the password check will be skipped.
Return codes
Returns -1 if the user hangs up or 0 otherwise.