ITU-T E.420 PDF

Name:
ITU-T E.420 PDF

Published Date:
01/01/1993

Status:
[ Active ]

Description:

CHECKING THE QUALITY OF THE INTERNATIONAL TELEPHONE SERVICE – GENERAL CONSIDERATIONS

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

Published Date: 02/01/1995

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