static int adsi_generate(unsigned char *buf, int msgtype, char *msg, int msglen, int msgnum, int last, int codec)
{
int sum;
int x;
int bytes=0;
/* Initial carrier (imaginary) */
float cr = 1.0;
float ci = 0.0;
float scont = 0.0;
if (msglen > 255)
msglen = 255;
/* If first message, Send 150ms of MARK's */
if (msgnum == 1) {
for (x=0;x<150;x++) /* was 150 */
PUT_CLID_MARKMS;
}
/* Put message type */
PUT_CLID(msgtype);
sum = msgtype;
/* Put message length (plus one for the message number) */
PUT_CLID(msglen + 1);
sum += msglen + 1;
/* Put message number */
PUT_CLID(msgnum);
sum += msgnum;
/* Put actual message */
for (x=0;x<msglen;x++) {
PUT_CLID(msg[x]);
sum += msg[x];
}
/* Put 2's compliment of sum */
PUT_CLID(256-(sum & 0xff));
#if 0
if (last) {
/* Put trailing marks */
for (x=0;x<50;x++)
PUT_CLID_MARKMS;
}
#endif
return bytes;
}
int callerid_generate(unsigned char *buf, const char *number, const char *name, int flags, int callwaiting, format_t codec)
{
int bytes = 0;
int x, sum;
int len;
/* Initial carriers (real/imaginary) */
float cr = 1.0;
float ci = 0.0;
float scont = 0.0;
char msg[256];
len = callerid_genmsg(msg, sizeof(msg), number, name, flags);
if (!callwaiting) {
/* Wait a half a second */
for (x = 0; x < 4000; x++)
PUT_BYTE(0x7f);
/* Transmit 30 0x55's (looks like a square wave) for channel seizure */
for (x = 0; x < 30; x++)
PUT_CLID(0x55);
}
/* Send 150ms of callerid marks */
for (x = 0; x < 150; x++)
PUT_CLID_MARKMS;
/* Send 0x80 indicating MDMF format */
PUT_CLID(0x80);
/* Put length of whole message */
PUT_CLID(len);
sum = 0x80 + strlen(msg);
/* Put each character of message and update checksum */
for (x = 0; x < len; x++) {
PUT_CLID(msg[x]);
sum += msg[x];
}
/* Send 2's compliment of sum */
PUT_CLID(256 - (sum & 255));
/* Send 50 more ms of marks */
for (x = 0; x < 50; x++)
PUT_CLID_MARKMS;
return bytes;
}
int ast_callerid_vmwi_generate(unsigned char *buf, int active, int type, format_t codec,
const char* name, const char* number, int flags)
{
char msg[256];
int len = 0;
int sum;
int x;
int bytes = 0;
float cr = 1.0;
float ci = 0.0;
float scont = 0.0;
if (type == CID_MWI_TYPE_MDMF_FULL) {
/* MDMF Message waiting with date, number, name and MWI parameter */
msg[0] = 0x82;
/* put date, number info at the right place */
len = callerid_genmsg(msg+2, sizeof(msg)-2, number, name, flags);
/* length of MDMF CLI plus Message Waiting Structure */
msg[1] = len+3;
/* Go to the position to write to */
len = len+2;
/* "Message Waiting Parameter" */
msg[len++] = 0x0b;
/* Length of IE is one */
msg[len++] = 1;
/* Active or not */
if (active)
msg[len++] = 0xff;
else
msg[len++] = 0x00;
} else if (type == CID_MWI_TYPE_MDMF) {
/* MDMF Message waiting only */
/* same as above except that the we only put MWI parameter */
msg[len++] = 0x82;
/* Length is 3 */
msg[len++] = 3;
/* IE is "Message Waiting Parameter" */
msg[len++] = 0x0b;
/* Length of IE is one */
msg[len++] = 1;
/* Active or not */
if (active)
msg[len++] = 0xff;
else
msg[len++] = 0x00;
} else {
/* SDMF Message waiting */
msg[len++] = 0x6;
/* Length is 3 */
msg[len++] = 3;
if (active) {
msg[len++] = 0x42;
msg[len++] = 0x42;
msg[len++] = 0x42;
} else {
msg[len++] = 0x6f;
msg[len++] = 0x6f;
msg[len++] = 0x6f;
}
}
sum = 0;
for (x = 0; x < len; x++)
sum += msg[x];
sum = (256 - (sum & 255));
msg[len++] = sum;
/* Wait a half a second */
for (x = 0; x < 4000; x++)
PUT_BYTE(0x7f);
/* Transmit 30 0x55's (looks like a square wave) for channel seizure */
for (x = 0; x < 30; x++)
PUT_CLID(0x55);
/* Send 170ms of callerid marks */
for (x = 0; x < 170; x++)
PUT_CLID_MARKMS;
for (x = 0; x < len; x++) {
PUT_CLID(msg[x]);
}
/* Send 50 more ms of marks */
for (x = 0; x < 50; x++)
PUT_CLID_MARKMS;
return bytes;
}