T-REC-X.680-200811-I!!PDF-E
Filename: Y.1564 - Quality, IPT-REC-Y.1564-201103-I!!PDF-E-1.pdf
T-REC-G.998.4-201006-I
T-REC-X.509-200811-I!!PDF-E
T-REC-Y.1542-201006-I!!PDF-E
T-REC-G.977-201501-I!!PDF-E
T-REC-G.988-201210-I!!PDF-E
G.723.1
T-REC-G.107.1-201506-I!!PDF-E
Fsc Dsf Spool 300c Pdf5
SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS
T30 Fax Transmission Specifications