Reserved Number Space
The following numbers are reserved for system functions. If you wish to use extension numbers in the reserved space, Fiercify will charge $100 per customer for custom programming.
011+any number of digits011 is used to prefix international dialing. Note: Custom programming will not work for this number space.311Non-emergency municipal government services. Only supported in certain major cities.411Information611Customer Service911Emergency933911 Test Number988National Suicide Prevention Hotline700-799Used for Dynamic Call Parking QueuesNote: System default uses extensions 700-729 only. To extend call parks to 730-799, please send a request to the Control Tower team by emailing support@fiercifylogic.com.
7000-7999These are unusable as 4-digit extension numbers because they conflict with the 7+extension (3 digit extension) rule to transfer a call directly to voicemail.70000-79999These are unusable as extension numbers because they conflict with the 7+extension (4 digit extensions) rule to transfer a call directly to voicemail.99XXX+99 plus a users extension (3 and 4 digits) are reserved to work with Intercom features.5000Unregistered Login to VMail (prompted for acct no and password)5001Registered Login to VMail (prompted for password only)5002Hot Desking Sign In5003Requests the User's PIN then provides a 2nd dialtone (useful for calling from phones in public spaces5004Reserved for Future Hot Desking Development.XXPlease use 3 and 4 digit extensions. 2 digit extensions will cause setup issues. NOTE: Extensions should not begin with the number 0.