Transferring Calls Using Release Link Trunk Transfer

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 */

November 2009

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Image 207
Dialogic 6.2 manual Sample Application, November 207