c3ff4648 removed the [iaxtel700] context but neglected to remove
references to it.
This commit addresses that and also removes iaxtel and freeworlddialup
references from other config files.
Correct typos of the following word families:
password
excludes
undesirable
checksums
through
screening
interpreting
database
causes
initiation
member
busydetect
defined
severely
throughput
recognized
counter
require
indefinitely
accounts
ASTERISK-29714
Change-Id: Ie8f2a7b274a162dd627ee6a2165f5e8a3876527e