[asterisk-ss7] Libss7 development

Attila Domjan adomjan at tvnet.hu
Wed Sep 30 02:26:50 CDT 2009


isup_call allocated for any isup session call and in my version for
circuit reset/(un)blocking sessions etc...

On Tue, 2009-09-29 at 23:47 +0000, Rony Ron wrote:
> Hi all,
> i am trying to develop sccp  for libss7,
> i have began be trying to understand deeply the current code 
> of  isup; i have some misunderstandings regarding this struct :
> Why isup_CALL ? who can comment, please, this struct for me?
> 
> struct isup_call {
> 	char called_party_num[ISUP_MAX_NUM];
> 	unsigned char called_nai;
> 	char calling_party_num[ISUP_MAX_NUM];
> 	unsigned char calling_nai;
> 	unsigned char presentation_ind;
> 	unsigned char screening_ind;
> 
> 	char charge_number[ISUP_MAX_NUM];
> 	unsigned char charge_nai;
> 	unsigned char charge_num_plan;
> 	unsigned char gen_add_num_plan;
> 	unsigned char gen_add_nai;
> 	char gen_add_number[ISUP_MAX_NUM];
> 	unsigned char gen_add_pres_ind;
> 
> 	unsigned char gen_add_type;
> 	char gen_dig_number[ISUP_MAX_NUM];
> 	unsigned char gen_dig_type;
> 	unsigned char gen_dig_scheme;
> 	char jip_number[ISUP_MAX_NUM];
> 	unsigned char lspi_type;
> 	unsigned char lspi_scheme;
> 
> 	unsigned char lspi_context;
> 	unsigned char lspi_spare;
> 	char lspi_ident[ISUP_MAX_NUM];
> 	int oli_ani2;
> 	unsigned int call_ref_ident;
> 	unsigned int call_ref_pc;
> 	
> 	int range;
> 	unsigned char status[255];
> 
> 	int transcap;
> 	int l1prot;
> 	int cause;
> 	int causecode;
> 	int causeloc;
> 	int cot_check_passed;
> 	int cot_check_required;
> 	int cicgroupsupervisiontype;
> 	unsigned char event_info;
> 	unsigned short cic;
> 
> 	unsigned short slc;
> 	struct isup_call *next;
> 	/* set DPC according to CIC's DPC, not linkset */
> 	unsigned int dpc;
> };
> 
> regards,
> -- 
> --> Your next Partner !
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