Hi
I'm using sangoma a200 with freetdm on freeswitch 1.6 stable branch. Sometimes I see errors like this in console:

2017-10-11 10:58:32.669207 [ERR] ftmod_sangoma_isdn_stack_out.c:574 [s2c31][2:16] Received frame of 323 bytes, exceeding max size of 300 bytes

Is this a serious problem?