sng_isdn_release_request 591 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c if (sng_isdn_release_request(signal_data->cc_id, suInstId, spInstId, &relEvnt)) { sng_isdn_release_request 595 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c if (sng_isdn_release_request(signal_data->cc_id, suInstId, spInstId, &relEvnt)) {