There are two ways to accomplish this.
Set-up an Auto Attendant:
Enter app.sharpencx.com as an administrator (select ‘Admin’ tab in far left corner) Select the ‘Configuration' tab
Now, select the 'auto attendant' tab
In the drop-down, select the auto attendant you would like to edit
Add a new option '+'
Locate 'Routing Options'
In the first drop-down field select 'Remote Voicemail Access'
Press 'Save' and test call to confirm
Route a call to Remote Voicemail Access:
Enter app.sharpencx.com as an administrator (select ‘Admin’ tab in far left corner)
Select the ‘Configuration' tab
Now, select the 'Inbound Routes' tab
In the drop-down, select the number you would like to edit
Locate 'Routing Options'
In the first drop-down field select 'Remote Voicemail Access'
Press 'Save' and test call to confirm