ITU-T Q.939 PDF

ITU-T Q.939 PDF

Name:
ITU-T Q.939 PDF

Published Date:
03/01/1993

Status:
[ Active ]

Description:

Digital Subscriber Signalling System No. 1 (DSS 1) - Typical DSS 1 Service Indicator Codings for ISDN Telecommunications Services

Publisher:
International Telecommunication Union-T

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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Choose Document Language:
$16.8
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Edition : 93
File Size : 1 file
Number of Pages : 52
Published : 03/01/1993

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