This standard specifies the service capabilities of the Call Hold service within the context of an Integrated Services Digital Network (ISDN). Formerly known as T1.616-1992(R2009).
Product Information
Published:
06/01/2014
Pages:
31
File Size:
1 file , 1.3 MB
Language:
English
Note:
This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus