| In force components | 
| Number 
 | Title | Status | 
| H.248.12 (02/12) 
 | Gateway control protocol: ITU-T H.248.1 packages for ITU-T H.323 and ITU-T H.324 interworking | In force 
 | 
| H.Imp248.x  (10/2015) 
 | H.248 Sub-series Implementors' Guide | In force 
 | 
| 
 | 
| Superseded and Withdrawn components | 
| Number 
 | Title | Status | 
| H.248.12 (07/01) 
 | Gateway control protocol: H.248.1 packages for H.323 and H.324 interworking This Recommendation was first approved as Annex M4 to H.248, and renumbered and republished as H.248.12 on 2002-03-29 without further modification
 | Superseded 
 | 
| H.248.12 (2001) Amendment 1 (11/02) 
 | New Annex A: Extended H.324, H.245 command and H.245 indication packages 
 | Superseded 
 | 
| H.248.12 (2001) Amendment 2 (08/07) 
 | Transport mechanism | Superseded 
 | 
| H.248 Annex M4 (07/01) 
 | H.248.1 packages for H.323 and H.324 interworking This Annex was renumbered as H.248.12 on 2002-03-29 without further modification
 | Superseded 
 | 
| H.Imp248.x (05/08) 
 | Implementors' Guide for the H.248 Sub-series of Recommendations ("Media Gateway Control Protocol") | Superseded 
 | 
| H.Imp248.x (02/09) 
 | Implementors' Guide for the H.248 Sub-series of Recommendations ("Media Gateway Control Protocol") | Superseded 
 | 
| H.Imp248.x (11/09) 
 | Implementors' Guide for the H.248 Sub-series of Recommendations ("Media Gateway Control Protocol") | Superseded 
 | 
| H.Imp248.x (07/10) 
 | Implementors' Guide for the H.248 Sub-series of Recommendations ("Media Gateway Control Protocol") | Superseded 
 |