ediverse Explore the platform

Spotlight PEPPOL BIS Billing 3.0 The EU e-invoicing mandate is here — France Sept 2026, Belgium Jan 2026, Germany 2025.

— 01

Foundations

— 02

Standards

— 03

Flagship messages

— 04

Tools

UNCL 3477

On this page

COM segment communication channel.

Definition

UNCL 3477 codifies: EM (Electronic mail), TE (Telephone), FX (Fax), TL (Telex), AO (URL/Web), AP (SMS), CA (Cable), EI (EDI transmission). The EI code coupled with AS2/AS4 endpoint in CTA+IC segment indicates a technical partner.

Origin

UN/EDIFACT Data Element 3477 codified in ISO 9735.

Example in context

A COM+contact@supplier.com:EM segment indicates the technical contact email.