Dialogic 6.2 사용자 설명서

Placing Calls on Hold Using BSMI

November 2009

211

memset(&l43msg,0,sizeof(L4_to_L3_struct));

l43msg->msgtype = L4L3mUNIVERSAL;

l43msg->data.universal.msg_id        = MT_DL_RETRIEVE;

#define IEID_CAUSE       0x08 //CAUSE IE ID code

#define EXTENSION_BIT    0x80 //extension bit for an octet

memset(&l43msg,0,sizeof(L4_to_L3_struct));

l43msg->msgtype = L4L3mUNIVERSAL;

l43msg->data.universal.msg_id        = MT_DL_RETRIEVE_REJ;

l43msg->data.universal.ie_count      = 1; //must equal all IEs

l43msg->data.universal.ie.ie_id         = IEID_CAUSE; 

l43msg->data.universal.ie.ie_length     = 2;

l43msg->data.universal.ie.ie_data[0]    = EXTENSION_BIT | Coding_standard |  
Location;  //where Coding_standard and Location are from ITU-T Q.850 

// subclause 2.2.2 and 2.2.3 respectively

l43msg->data.universal.ie.ie_data[1]    = EXTENSION_BIT | Cause ; //where Cause 
is from ITU-T Q.850 subclause 2.2.5

For more information on L4L3mUNIVERSAL and 

L3L4mUNIVERSAL, see Volume 5, Bfv API Reference Manual.