3.3.3.3.5. Codec Parameter Trunking and Subscriber Gateway 
The settings in the CODECS mask are identical for both gateways.
- Bearer-type mapping must be set to "ITC unrestricted" for the "Codec ClearMode".
- The "ITC" field must contain the value unrestricted.
- The setting in the "Jitter Buffer" field can be used to improve the data transmission quality if the delay time does not have to be optimized.
Figure 72. Mediatrix 44xx Gateway Subscriber and Trunking - Telephony -> CODECS
