Aastra AVS5150, EVM22, MVM 48 Voicemail Cards
Use any internal extension
Lift handset and press voicemail access key or dial 500
When prompted enter your password
Dial 9
Dial *900 (beep)
Dial 1234 (beep)
Dial *420
Dial 1-7 (1=Mon, 7=Sun)
Enter the time in 24hr clock (beep)
To check it is successful dial *440 and voicemail and time will announced
Replace receiver
Please contact us should you require any further assistance