











![AS 3136-1992 AMDT 2 [ Superseded ]](https://www.docuarea.org/108613-cart_default/as-3136-1992-amdt-2-superseded-74.jpg)
![AS 1141.33-1997 [ Superseded ]](https://www.docuarea.org/108615-cart_default/as-114133-1997-superseded-9.jpg)


No products
View larger M00000040
New product
ETSI TR 101 508 Digital cellular telecommunications system (Phase 2+); Adaptive Multi-Rate (AMR) speech codec; Study phase report (3GPP TR 06.76 version 8.0.1 Release 1999)
standard by European Telecommunications Standards Institute, 12/01/2001
In stock