Dialogic 6.2 Manuale Utente

Enabling the R2 Protocol

November 2009

356

An outbound call request sequence that results in call acceptance by 

the remote side is illustrated in 

. The Host application 

issues the module an L4L3mCALL_REQUEST message with the 

following R2 payload entries:

l43msg.msgtype = L4L3mCALL_REQUEST;

l43msg.lapdid  = 0x1;

l43msg.data.call_req_data.bchannel = 1; 

l43msg.data.call_req_data.called_party.num_digits

l43msg.data.call_req_data.called_party.dnis_category 
(set to an IISDN_R2MF_SIGNAL_CODES value)

l43msg.data.call_req_data.called_party.digits (ASCII 
string) 

l43msg.data.call_req_data.calling_party.num_digits 

l43msg.data.call_req_data.calling_party.ani_category 
(set to an IISDN_R2MF_SIGNAL_CODES value)

l43msg.data.call_req_data.calling_party.presentation_ind 
(set to an IISDN_R2_ANI_XXXX value)

l43msg.data.call_req_data.calling_party.digits (ASCII 
string)

l43msg.data.call_req_data.call_type (set to 
IISDNcalltypR2_GND for a terrestrial circuit or 
IISDNcalltypR2_SAT for a satellite circuit)