About normal consumption in sonyericsson

[DREAMGSM]

Hi to all, i have a question about Sonyericsson, specially for t68, do you know what´s the normal consumption during call for this model, whats is the maximum for considerer that is excesive value? Still i haven´t done a comparission between to models for see de difference, i´m wait to have the oportunity but if someone can tell me before i find a new or good operative phone and ome suspected of high consume i will be thankfull.

Thanks in advance and best regards to all