ITU-T U.15 PDF

Name:
ITU-T U.15 PDF

Published Date:
01/01/1993

Status:
[ Active ]

Description:

Interworking Rules for International Signalling Systems According to Recommendations U.1, U.11 and U.12 - Telegraph Switching Specific Signalling Schemes and Interworking between Signalling Systems (Study Group IX) 11 pp

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

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