1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** mISDN channel handlin for remote application **
10 \*****************************************************************************/
14 struct bchannel *next;
15 struct chan_call *call; /* link to call process */
16 unsigned long handle; /* handle for stack id */
17 int b_sock; /* socket for b-channel */
22 int b_tx_gain, b_rx_gain;
32 unsigned char b_crypt_key[128];
34 void (*rx_data)(struct bchannel *bchannel, unsigned char *data, int len);
35 void (*rx_dtmf)(struct bchannel *bchannel, char tone);
39 extern struct bchannel *bchannel_first;
40 extern pid_t bchannel_pid;
42 int bchannel_initialize(void);
43 void bchannel_deinitialize(void);
44 int bchannel_create(struct bchannel *channel);
45 void bchannel_activate(struct bchannel *channel, int activate);
46 void bchannel_transmit(struct bchannel *channel, unsigned char *data, int len);
47 void bchannel_join(struct bchannel *channel, unsigned short id);
48 int bchannel_handle(void);
49 struct bchannel *find_bchannel_handle(unsigned long handle);
50 //struct bchannel *find_bchannel_ref(unsigned long ref);
51 struct bchannel *alloc_bchannel(unsigned long handle);
52 void free_bchannel(struct bchannel *channel);