EANCOM PART III DATA ELEMENT & CODE SETS DIRECTORY |  | 1997-07-01

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3153
| Communication channel identifier, coded
| Code identifying the type of communication channel being used.

+ | AA
= | Circuit switching
| A process that, on demand, connects two or more data terminal equipments and permits the exclusive use of a data circuit between them until the connection is released (ISO).
| TE
= | Telephone
| Voice/data transmission by telephone.

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