Editing QSIG (section)

==List of ISDN standards==
{{Expand list|date=August 2008}}
* '''ETS 300 052''' - Multiple Subscriber Number
* '''ETS 300 055''' - Call Waiting
* '''ETS 300 092''' - Calling Line Identification Presentation (CLIP)
* '''ETS 300 093''' - Calling Line Identification Restriction (CLIR)
* '''ETS 300 097''' - Connected Line Identification Presentation (COLP)
* '''ETS 300 098''' - Connected Line Identification Restriction (COLR)
* '''ETS 300 130''' - Malicious Call Identification
* '''ETS 300 141''' - Call Hold
* '''ETS 300 172''' - Circuit-Mode Basic Service
* '''ETS 300 173''' - Called/Calling Line ID Presentation
* '''ETS 300 182''' - Advice Of Charge
* '''ETS 300 188''' - Three Way Conference
* '''ETS 300 207''' - Call Diversion
* '''ETS 300 237''' - Called/Calling Name Presentation
* '''ETS 300 238''' - Called/Calling Name Presentation
* '''ETS 300 239''' - Generic Functional Protocol
* '''ETS 300 256''' - CFU Supplementary Service
* '''ETS 300 258''' - Path Replacement (ANF-PR)
* '''ETS 300 359''' - Call Completion To Busy Subscriber (CCBS)
* '''ETS 300 260''' - Call Transfer By Join (SS-CT)
* '''ETS 300 261''' - Call Transfer - (SS-CT)
* '''ETS 300 369''' - Explicit Call Transfer
* '''ETS 300 745''' - Message Waiting Indication (MWI)
* '''ETS 300 259''' - Path Replacement Additional Network Feature (ANF-PR)
* '''ETS 301 258''' - Recall Supplementary Service (SS-RE)
* '''ETS 301 919''' - Single Step Call Transfer Supplementary Service (SS-SSCT)
Source : [http://www.etsi.org/ European Telecommunications Standards Institute] (ETSI)

* '''CCITT G.703''' - Describes the physical/electrical characteristics of hierarchical digital interfaces. 
Source : [https://web.archive.org/web/19981212030058/http://www.itu.org/ International Telecommunication Union] (ITU)