1.29 Networking FeaturesFeature Guide 3111.29.4 QSIG Standard Features1.29.4.1 QSIG Standard Features—SUMMARYDescriptionQSIG is a protocol which is based on ISDN (Q.931) and offers enhanced PBX features in a private network.The QSIG network supports private communications by the TIE line service method.The following features are available for an ISDN-QSIG or VoIP private network. For ISDN, systemprogramming is required to specify whether each feature (excluding Calling Line Identification Presentation[CLIP]) is available for each port of the private network.[Service Table]Service Description & ReferenceCalling Line IdentificationPresentation (CLIP)Sends the caller's number to the QSIG network when making a call.→ 1.29.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name Identification Presentation(CNIP/CONP)—by QSIGConnected Line IdentificationPresentation (COLP)Sends the number of the answered party to the QSIG network whenanswering a call.→ 1.29.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name Identification Presentation(CNIP/CONP)—by QSIGCalling Line IdentificationRestriction (CLIR)Prevents the caller's CLI being presented to the called party by thecaller.→ 1.29.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name Identification Presentation(CNIP/CONP)—by QSIGConnected Line IdentificationRestriction (COLR)Prevents COLP being sent by the answered party.→ 1.29.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name Identification Presentation(CNIP/CONP)—by QSIGCalling Name IdentificationPresentation (CNIP)Sends the caller's name to the QSIG network when making a call.→ 1.29.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name Identification Presentation(CNIP/CONP)—by QSIG
