Motorola V80

Anyone else having dropped call problem after around 10 min? Everytime I use the phone, the call seems to drop around 10 min (little more, little less).

Thanks.

Flex: SE813AXXP104C
S/W Version: R37_G_0E.03.26R
DSP S/W Version: 62171700
Network: T-Mobile

-mkc