Reserved trunk usernames

The customer is free what to use as username for creating new trunks. But there are some reserved usernames that are not allowed to use. See the list below what is not possible to use as username:

info
admin
root
abuse
support
webmaster
spam
help
invalid
valid
error
noreply
no-reply
motd
login
password
administrator
hostmaster
guest
nobody
mail
default
dev
online
operator
postmaster
ping
test
probe
1233
1244
112
1200

If one of the reserved username is entered the customer will get a messages that the username is not allowed. In this case please use another name.