The block diagram of ticket purchase via the web interface

1.

Encore Front End
THEBS/XML Server
Verifone
Visa/Mastercard
Send check onto
Visa/Mastercard directory
server to check for enrolment
Directory server contacts
issuing bank to find out if the
card in enrolled
Process response and pass
back to source
Directory server returns if
card is enrolled or not
‘Buy tickets’ cardholder data
captured
Enrolment check request sent
to Verifone
Check
Response
Y
N
Process as
normal
Enrolment check return result,
PAReq message & ACS URL
Y
ACS page: to enter
password, issuing
bank records
authentication result
Use ACS URL to send the PAReq to issuing
bank. Include TermURL for bank to post
PARes to afterwards
N
Check PARes,
Proceed?
Decline
Transaction
Y
(Drupal)
Password
Required
Post back to TermURL as part
of PARes message
Process transaction
including PARes
(Java, THEBS & Xml Servers)
N