Bearer start problem

/* Initialize the stack */
ret = wip_netInitOpts ( WIP_NET_OPT_DEBUG_PORT, WIP_NET_DEBUG_PORT_UART2,
WIP_NET_OPT_END ); //SUCCESS

/* Open the UART bearer */
bearerRet = wip_bearerOpen ( &br, “UART2”, cbEvhBearer, NULL ); //SUCCESS

bearerRet = wip_bearerSetOpts ( br,
WIP_BOPT_IP_ADDR, localAddr,
WIP_BOPT_IP_DST_ADDR, destAddr,
WIP_BOPT_IP_SETDNS, FALSE,
WIP_BOPT_IP_SETGW, TRUE,
WIP_BOPT_RESTART, FALSE,
WIP_BOPT_END ); //SUCCESS

bearerRet = wip_bearerStart(br);
bearerRet is returning WIP_BERR_OK_INPROGRESS. Please give me some suggestions it would be really help to me.