Installation & Operation Manual 540 Document # LTRT-92224
Mediant 8000
Parameter Name Type Provisioning Type Description
DSP Resources
Percentage
Integer
0-100
Online Defines how many of
the Media Gateway
board's DSP channels
this template will be
applied
39.2 AMR Coder Policy
AMR voice coder supports adaptive rate change according to the network
performance and voice quality. The voice quality is determined by measuring the
packet loss. When one side of the call detects the significant change in voice quality, it
sends a special command to the other side requesting the change in the coder rate.
The AMR coder rate policy is defined in the 3G specification 44.318. It may be
configured in one of the following ways:
Pre-configured AMR coder policy provisioned on the Media Gateway board
Dynamic AMR coder policy configured via the call control protocol (MGCP) by the
Media Gateway Controller
Note:
• Pre-configured AMR coder policy is supported for TP-6310/IPM-6310 boards
only.
• When AMR coder policy is pre-configured on Media Gateway board, a similar
configuration should be applied to both Media Gateways that participate in the
call.
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