The Ariba® Supplier Network™ (ASN) provides suppliers secure
AT&T ASN User Guide
ASN Registration Quick Reference Guide
ASN Order Confirmation Quick Reference Guide
ASN Ship Notice Quick Reference Guide
ASN Invoicing Quick Reference Guide
ASN Credit Memo Quick Reference Guide
ASN Negative Invoice Quick Reference Guide
AT&T cXML Guide
Ariba Network Membership Information
e-commerce interactions with AT&T,
as well as with other
registered customers utilizing this e-commerce platform.
The AT&T Supplier Portal (SUS) provides secure online access directly
AT&T Supplier Portal (SUS) User Guide
AT&T Supplier Portal (SUS) Reference Guide
into AT&T for the supplier to view and process e-commerce
iSupplier Portal is an Internet self-service tool which enables suppliers to have real-time access to
procure-to-pay transactions such as purchase orders, invoices, and payment status. iSupplier Portal
is fully integrated with Oracle 11i and allows the supplier to export purchase order details and upload
purchase order related invoices.
|PO Export Process||PO Invoice Upload Process|
Electronic Data Interchange (EDI) provides direct
AT&T Purchase Order Transaction Set 850
AT&T Purchase Order Acknowledgment Transaction Set 855
AT&T Invoice Transaction Set 810
AT&T Applications Advice Transaction Set 824
AT&T Product Activity Data Transaction Set 852
AT&T Receiving Advice-Acceptance Certificate Transaction Set 861
access to AT&T via standard e-commerce
transaction sets (ANSI X12 004010).
The following documents contain the AT&T
Corporate Standard Specifications for the
New Horizons Wireline EDI and provide the format
and establish the data contents for an Electronic
Data Interchange (EDI) environment.
Supplier catalogs can reside either at the
AT&T-hosted Supplier Catalog Template & Instructions
SAP OCI Specifications for Establishing Supplier-Site
supplier's site (via supplier-hosted catalogs) or
in AT&T's Enterprise Purchasing application
(via AT&T-hosted catalogs).
Catalogs for AT&T (a.k.a. Roundtrip or Punchout)
Questionnaire to be completed by the vendor.
This contains information needed to communicate
with AT&T via supplier-site catalogs (i.e. Punchout)
Payment and remittance information is
available online to suppliers on the
AT&T Supplier Payment Status Facility site.
Payment Status Inquiries
If you have questions concerning a payment received
or information on the payment site, please send an
email to email@example.com.
If you have questions concerning an invoice that is
not in the payment site, please contact the
Supply Chain Service Center at 1-800-366-0418.
When prompted select Option 2, then when prompted
again select Option 3 to reach the invoice support team.
Additional information to facilitate a successful
General information for current and prospective suppliers
e-commerce experience can be found here.
of AT&T can be found at Attsuppliers.com
AT&T offers early payments through the
Supplier Financing Program. For more information, click here.
If you have questions regarding registration or related technical
set-up activities, contact Communications Technical Support
If you have questions regarding specific orders, invoices,
or related operational activities, please contact the
Supply Chain Service Center (SCSC)