| Subject | English | German |
| telecom. | delayed call | Vormerkgespräch |
| commun. | delayed call | wartende Belegung |
| tech. | delayed call | Vormerkgespraech |
| telecom. | delayed call transfer | Rufweiterleitung nach Zeit |
| comp., MS | delayed group call | verzögerter Gruppenanruf (A group call that first rings the group owner, and then after a specified number of seconds rings the call group in addition to the group owner) |
| commun. | mean delay of calls delayed | mittlere Wartezeit der zurückgestellten Anrufe |
| tech. | percentage of delayed calls | Verzoegerungsziffer |