The conference bridges in your system are numbered X7644(314-744-7644) and X7645(314-744-7645).
These are 14 party bridges (each bridge can have any combination of inside callers and outside callers, up to 14 members) and can be accessed by simply dialing the bridge extension.
A call can also be transferred into the bridge by pressing transfer, dialing the bridge extension (7644or 70645), and hanging up.
This is an open 14 line bridge conference line. Passwords cannot be assigned to this ext. Anyone can join by dialing number.