| In force components  | 
Number
  | 
Title | 
Status | 
H.242 (03/09)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
In force 
  | 
     | 
| Superseded and Withdrawn components  | 
Number
  | 
Title | 
Status | 
H.242 (12/90)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (03/93)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (03/96)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (07/97)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (05/99)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (03/04)     | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
 | 
Superseded 
  | 
H.242 (2004) Erratum 1 (06/09)     | 
		  Affects only the English version
 | 
Superseded 
  | 
H.242 (2004) Amendment 1 (09/05)     | 
Support for 14 kHz audio bandwidth extension of G.722.1 Annex C in H.242
		 
 | 
Superseded 
  | 
H.Imp320/H.320/H.221/H.224/H.230/H.242/H.243 (11/04)     | 
Implementors Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243
		 
 | 
Superseded 
  | 
H.Imp320/H.243/H.242/H.230/H.224/H.221/H.320 (02/02)     | 
Implementors' guide for H.320 Recommendation series
		 
 | 
Superseded 
  | 
H.Imp320/H.320 (05/03)     | 
Implementors Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243
		  
 | 
Superseded 
  | 
H.Imp320/H.243/H.320/H.221/H.224/H.230/H.242/H.243 (01/04)     | 
Implementors' Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243
		 
 | 
Superseded 
  |