Dialogic 6.2 - Manual (Page 207)

Transferring Calls Using Release Link Trunk Transfer
November 2009 207
Sample Application
The following code fragments show the relevant BSMI control
messages used in RLT transfer.
/***********************************************************************/
/********** send_call_req ****/
/***********************************************************************/
void send_call_req(int spyder_chan,int bchan,unsigned char rlt)
{
L4_to_L3_struct *L4L3cntlp;
L4_to_L3_struct msg;
L4L3cntlp = &msg;
/* Populate the header stuff here */
zero_msg(L4L3cntlp);
L4L3cntlp->lapdid = spyder_chan;
L4L3cntlp->msgtype = L4L3mCALL_REQUEST;
L4L3cntlp->L4_ref = 1;
L4L3cntlp->call_ref = 0;
/* Populate the call request stuff here */
L4L3cntlp->data.call_req_data.bchannel = bchan;
L4L3cntlp->data.call_req_data.interface = 0xff;
L4L3cntlp->data.call_req_data.call_type = PRIcalltyp64K;
L4L3cntlp->data.call_req_data.rlt_service = rlt;
L4L3cntlp->data.call_req_data.called_party.num_digits = 6;
L4L3cntlp->data.call_req_data.called_party.num_type = PRInumtUNKNOWN;
L4L3cntlp->data.call_req_data.called_party.num_plan = PRInumpUNKNOWN;
L4L3cntlp->data.call_req_data.called_party.digits[0] = '6';
L4L3cntlp->data.call_req_data.called_party.digits[1] = '0';
L4L3cntlp->data.call_req_data.called_party.digits[2] = '3';
L4L3cntlp->data.call_req_data.called_party.digits[3] = '8';
L4L3cntlp->data.call_req_data.called_party.digits[4] = '9';
L4L3cntlp->data.call_req_data.called_party.digits[5] = '8';
L4L3cntlp->data.call_req_data.redirect_num.num_digits = 0;
pridrv_tx_cntl_buf( L4L3cntlp);
printf("%d: Snd L4L3mCALL_REQUEST \n", spyder_chan);
} /* end of send_call_req */