zaptel: Unknown symbol crc_ccitt_table
zaptel: Unknown symbol crc_ccitt_table
wct4xxp: Unknown symbol zt_receive
wct4xxp: Unknown symbol zt_ec_chunk
wct4xxp: Unknown symbol zt_transmit
wct4xxp: Unknown symbol zt_rbsbits
wct4xxp: Unknown symbol zt_unregister
wct4xxp: Unknown symbol zt_register
wct4xxp: Unknown symbol zt_alarm_notify