CEPT - T/S 49-20 E

ISDN ISPBX-ISPBX Interface Layer 2 Specification Application of CEPT Recommendation T/S 46-20

active, Most Current
Organization: CEPT
Publication Date: 1 January 1987
Status: active
Page Count: 9

Document History

T/S 49-20 E
January 1, 1987
ISDN ISPBX-ISPBX Interface Layer 2 Specification Application of CEPT Recommendation T/S 46-20
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