Applications > Extensions  Quick Create (no legacy_chan_sip it's depreciated)  - Use SIP [chan_pjsip]  - 3 digit extensions. Avoid using extensions starting with 1  - Display name = user  - Outbound caller ID - email address  #Next  - Parking lot  - Create User  - User Groups  - Voicemail  - VM Pin is defaulted to the extension when created to force user to setup their mailbox on first use  #Finish  Apply Config (Top right) after creating new extensions  #edit extension Voicemail - Require from same extension. On is more secure  - *97 will ask password on that phones extension without prompting for a pin (if a single user office with no one else has access to, this can be left off. but if on a shop floor for example, you would want to turn it on)  - Email address = VM to email  - Email attachment Y/N  - Play CID  - Play Envelope  - Delete Voicemail. VTG sets this to yes to prevent the phone mailbox from filling up  - If users are not getting emails, you can disable this and do a test for troubleshooting  - VmX Locater = IVR options for the extension General  Outbound CID - Blank if pbx default #  !!!Emergency CID - Must make sure is correct E911 #  Secret - This is used on the phone for registration  Extensions does not equal users  User manager settings can be left default in most cases