26.235: Packet switched conversational multimedia applications; Default codecs

Info Page @ 3GPP

Rel-12
v12.0.0
Rel-11
v11.0.0
Rel-10
v10.0.0
Rel-9
v9.0.0
Rel-8
v8.0.0
Rel-7
v7.4.0
Rel-6
v6.5.0
Rel-5
v5.1.0