Introduction of new program modules into a stored program controlled telephone exchange system
By: by I.W.Lowrie,J.Garrettand R.J.Frost.
Contributors: Garrett, J.; Frost, R.J.
Series: reports -- No.458.
Publisher: Post Office Research Department
Published: 1975
Place of publication: London
Language: eng
Number of pages: 18
Notes: Project no.44 508 110.