AT&T Inc. EDI 824 Application Advice

Schema Reference

10 segments · X12 824 Application Advice

ISA01 Authorization Information Qualifier

M ID 2-2

ISA02 Authorization Information

M AN 10-10

ISA03 Security Information Qualifier

M ID 2-2

ISA04 Security Information

M AN 10-10

ISA05 Interchange ID Qualifier

M ID 2-2

ISA06 Interchange Sender ID

M AN 15-15

ISA07 Interchange ID Qualifier

M ID 2-2

ISA08 Interchange Receiver ID

M AN 15-15

ISA09 Interchange Date

M DT 6-6

ISA10 Interchange Time

M TM 4-4

ISA11 Interchange Control Standards Identifier

M ID 1-1

ISA12 Interchange Control Version Number

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested

M ID 1-1

ISA15 Usage Indicator

M ID 1-1

GS01 Functional Identifier Code

M ID 2-2

GS02 Application Sender's Code

M AN 2-15

GS03 Application Receiver's Code

M AN 2-15

GS04 Date

M DT 8-8

GS05 Time

M TM 4-8

GS06 Group Control Number

M N0 1-9

GS07 Responsible Agency Code

M ID 1-2

GS08 Version / Release / Industry Identifier Code

M AN 1-12

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BGN01 Transaction Set Purpose Code

M ID 2-2

BGN02 Reference Identification

M AN 1-30

BGN03 Date

M DT 8-8

OTI Loop

OTI01 Application Acknowledgment Code

M ID 1-2

OTI02 Reference Identification Qualifier

M ID 2-3

OTI03 Reference Identification

M AN 1-30

OTI10 Transaction Set Identifier Code

O ID 3-3

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

TED Loop

TED01 Application Error Condition Code

M ID 1-3

TED02 Free Form Message

O AN 1-60

TED07 Copy of Bad Data Element

O AN 1-99

NTE01 Note Reference Code

O ID 3-3

NTE02 Description

M AN 1-80

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

How It Works

Automating AT&T Inc. EDI 824

Stacksync validates, transforms, and delivers your 824 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync captures incoming 824 Application Advice documents and maps error codes and rejection reasons to the original transaction in your system — giving your team immediate visibility into what needs correction.

Business unit variations

AT&T (New ISA ID: 108024050B2B)

AT&T Inc. EDI 824 FAQ

Common questions about 824 Application Advice transactions with AT&T Inc..

How long does it take to set up AT&T Inc. EDI with Stacksync?

Most suppliers are fully connected and processing live AT&T Inc. EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.

Do I need an existing VAN or AS2 connection to trade with AT&T Inc.?

No. Stacksync handles the entire EDI transport layer. We connect directly to AT&T Inc.'s trading partner network through our certified connections. You don't need to manage a separate VAN subscription, AS2 certificates, or SFTP configurations.

How does Stacksync help with AT&T Inc. compliance?

Stacksync improves compliance scores by eliminating manual processing delays. Purchase Orders sync to your system in real time, ASNs are generated automatically when you ship, and invoices are validated with three-way matching before submission. Real-time monitoring alerts you to issues before they become chargebacks.

What EDI document types does Stacksync support for AT&T Inc.?

Stacksync supports all EDI document types required by AT&T Inc. — including Purchase Orders (850), Invoices (810), ASNs (856), PO Acknowledgments (855), and more. Our platform handles the full lifecycle from order to payment automatically.

Can I connect AT&T Inc. EDI to my existing ERP or WMS?

Yes. Stacksync integrates with any system that has a database or API — including SAP, Oracle, NetSuite, Microsoft Dynamics, and custom-built ERPs. Data flows bidirectionally between AT&T Inc.'s EDI network and your system in real time.

What happens when AT&T Inc. updates their EDI specifications?

Stacksync monitors AT&T Inc.'s EDI spec changes and updates our mappings proactively. When a change affects your integration, we notify you and apply updates — so you stay compliant without scrambling to decode new implementation guides.