Suggestions to increase voice call handling capability on ZTE Node-B?

Dear all, please suggest some measures (parameter and values) for increasing voice call handling capacity of a ZTE Node-B. Data is not priority in this case.

For retain ability of voice call on 3G

If there is no demand of Data and more demand for voice

u can modify 2D/2F thresholds

First step is to activate CRE and adjust T314

Hello, do u encounter some congestion? Each congestion will have different actions…