7.11. IP_VIRTBOARD

The IP_VIRTBOARD data structure is used to store information about an IPT board device. The data structure definition is as follows:

    typedef struct
    {
        unsigned short    version;
        unsigned int      total_max_calls;
        unsigned int      h323_max_calls;
        unsigned int      sip_max_calls;
        IPADDR            localIP;
        unsigned short    h323_signaling_port;
        unsigned short    sip_signaling_port;
        void              *reserved;
    }IP_VIRTBOARD; 

Table 47 describes the meaning of each field in the IP_VIRTBOARD data structure.

Table 47. IP_VIRTBOARD Field Descriptions

Field	Description
version	The version of the structure. Set to 0x100.
total_max_calls	The maximum total number of IPT devices that can be open concurrently. Possible values are in the range 1 to 2016 (IP_CFG_MAX_AVAILABLE_CALLS). Each IPT device can support both the H.323 and SIP protocols.
h323_max_calls	The maximum number of IPT devices used for H.323 calls. Possible values are in the range 1 to 2016 (IP_CFG_MAX_AVAILABLE_CALLS).
sip_max_calls	The maximum number of IPT devices used for SIP calls. Possible values are in the range 1 to 2016 (IP_CFG_MAX_AVAILABLE_CALLS).
localIP	The local IP address of type IPADDR. See Section 7.1, IPADDR.
h323_signaling_port	The H.323 call signaling port. Possible values are the port number or IP_CFG_DEFAULT. For H.323, the default port is 1720.
sip_signaling_port	The SIP call signaling port. Possible values are the port number or IP_CFG_DEFAULT. For SIP, the default port is 5060.
reserved	Reserved for future use. Must be set to NULL.

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