2. Getting involved
  3. Standards Committees
  4. DKE
NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

About DKE Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees
Technical rule [CURRENT]

ITU-T Q.723
Telephone user part formats and codes

Title (German)

Formate und Kodes

Edition 1988-11
Original language English
Price On Request
Order from DIN Media
Table of contents