Defines an interface representing the Talk-Burst-Exchange grouped AVP type.
From the Diameter Rf Reference Point Protocol Details (3GPP TS 32.299 V7.1.0) specification:
7.2.108 Talk-Burst-Exchange AVP
The Talk-Burst-Exchange AVP (AVP code 860) is of type Grouped and holds the
talk burst related charging data.
It has the following ABNF grammar:
Talk-Burst-Exchange ::= < AVP Header: 860 >
[ Number-Of-Talk-Bursts ] #exclude
[ Talk-Burst-Volume ] #exclude
[ Talk-Bursts-Time ] #exclude
[ Number-Of-Received-Talk-Bursts ] #exclude
[ Received-Talk-Burst-Volume ] #exclude
[ Received-Talk-Burst-Time ] #exclude