ITU-T I.253. 1 PDF

Name:
ITU-T I.253. 1 PDF

Published Date:
07/01/1990

Status:
[ Active ]

Description:

Call Waiting (CW) Supplementary Service (Study Group I) 15 pp

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

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