Hi all,<br>i am trying to develop sccp  for libss7,<br>i have began be trying to understand deeply the current code <br>of  isup; i have some misunderstandings regarding this struct :<br clear="all"><pre><font size="2">Why isup_<b>CALL</b> </font>? who can comment, please, this struct for me?<br>
struct isup_call {<br>        char called_party_num[ISUP_MAX_NUM];<br>        unsigned char called_nai;<br>        char calling_party_num[ISUP_MAX_NUM];<br>        unsigned char calling_nai;<br>        unsigned char presentation_ind;<br>        unsigned char screening_ind;<br>
        char charge_number[ISUP_MAX_NUM];<br>        unsigned char charge_nai;<br>        unsigned char charge_num_plan;<br>        unsigned char gen_add_num_plan;<br>        unsigned char gen_add_nai;<br>        char gen_add_number[ISUP_MAX_NUM];<br>        unsigned char gen_add_pres_ind;<br>
        unsigned char gen_add_type;<br>        char gen_dig_number[ISUP_MAX_NUM];<br>        unsigned char gen_dig_type;<br>        unsigned char gen_dig_scheme;<br>        char jip_number[ISUP_MAX_NUM];<br>        unsigned char lspi_type;<br>        unsigned char lspi_scheme;<br>
        unsigned char lspi_context;<br>        unsigned char lspi_spare;<br>        char lspi_ident[ISUP_MAX_NUM];<br>        int oli_ani2;<br>        unsigned int call_ref_ident;<br>        unsigned int call_ref_pc;<br>        <br>        int range;<br>        unsigned char status[255];<br>
        int transcap;<br>        int l1prot;<br>        int cause;<br>        int causecode;<br>        int causeloc;<br>        int cot_check_passed;<br>        int cot_check_required;<br>        int cicgroupsupervisiontype;<br>        unsigned char event_info;<br>        unsigned short cic;<br>
        unsigned short slc;<br>        struct isup_call *next;<br>        /* set DPC according to CIC&#39;s DPC, not linkset */<br>        unsigned int dpc;<br>};<br><br>regards,<br></pre>-- <br>--&gt; Your next Partner !<br>