ITU-T Q.81.1 PDF

Name:
ITU-T Q.81.1 PDF

Published Date:
11/01/1988

Status:
[ Active ]

Description:

Stage 2 Description for Number Identification Supplementary Services - Direct Dialling-in

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

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