int ntmode; /* is TRUE if port is NT mode */
int tespecial; /* is TRUE if port uses special TE mode */
int pri; /* is TRUE if port is a primary rate interface */
+ int pots; /* is TRUE if port is of type POTS */
+ struct lcr_fd pots_sock; /* socket for L1 */
int tones; /* TRUE if tones are sent outside connect state */
int earlyb; /* TRUE if tones are received outside connect state */
int b_num; /* number of bchannels */