ITU-T Q.769.1 PDF

Name:
ITU-T Q.769.1 PDF

Published Date:
12/01/1999

Status:
[ Active ]

Description:

Signalling system No. 7 – ISDN user part enhancements for the support of number portability

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

Published Date: 01/01/1991

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OBJECTIVE FOR THE MIXED ANALOGUE/DIGITAL CHAIN OF 4-WIRE CIRCUITS

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