Printer Friendly Version

Back

Standard ECMA-143
Private Integrated Services Network (PISN) - Circuit Mode Bearer Services - Inter-Exchange Signalling Procedures and Protocol (QSIG-BC)

4^th edition (December 2001)

The latest edition of this Ecma Standard is available here.

You can download the previous replaced "historical" editions of this Ecma Standard, free of charge:

File name	Content
ECMA-143 1st edition	NOT AVAILABLE
ECMA-143 2nd edition	Acrobat (r) PDF file
ECMA-143 3rd edition	Acrobat (r) PDF file

Back