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Dialogic Corporation
4.22.4.1 Registration Example
The following code example shows how to populate a GC_PARM_BLK structure that can be used
to register an endpoint with a gatekeeper (H.323) or registrar (SIP). The GC_PARM_BLK structure
contains the following registration information:
• two mandatory parameters required by the generic gc_ReqService( ) function
• the protocol type (H.323 or SIP)
• the type of operation (register/deregister) and sub-operation (set information, add information,
delete by value, delete all)
• the IP address to be registered
• the endpoint type to register as
• a number of local aliases
• a number of supported prefixes
int boardRegistration(IN LINEDEV boarddev, IN char protocol)
{
GC_PARM_BLKP pParmBlock = NULL;
int frc = GC_SUCCESS;
if (protocol != IP_PROTOCOL_H323 && protocol != IP_PROTOCOL_SIP )
{
printf("failed bad protocol identifier.\n");
return GC_ERROR;
}
/****** Two (mandatory) elements that are not related directly to
the server-client negotiation ********/
frc = gc_util_insert_parm_val(&pParmBlock,
GCSET_SERVREQ,
PARM_REQTYPE,
sizeof(char),
IP_REQTYPE_REGISTRATION);
frc = gc_util_insert_parm_val(&pParmBlock,
GCSET_SERVREQ,
PARM_ACK,
sizeof(char),
1);
/******Setting the protocol target***********/
frc = gc_util_insert_parm_val(&pParmBlock,
IPSET_PROTOCOL,
IPPARM_PROTOCOL_BITMASK,
sizeof(char),
protocol); /*can be H323 or SIP*/
/****** Setting the operation to perform ***********/
frc = gc_util_insert_parm_val(&pParmBlock,
IPSET_REG_INFO,
IPPARM_OPERATION_REGISTER, /* can be Register or Deregister */
sizeof(char),
IP_REG_SET_INFO); /* can be other relevant "sub" operations */