Хранение в map указателя на функцию-член шаблонного класса

template<class A>
class InternetThing
{
    protected:
    
    vector<Packet<A>> receivedData;
    virtual void catchReceivedData(Packet<A> data) = 0;
    void receive(void* packetToReceive) // <---
    {
        Packet<A>* receivedData = static_cast<Packet<A>*>(packetToReceive);
        this->receivedData.push_back(*receivedData);
        catchReceivedData(*receivedData);
    }
    unsigned short id;
 
    void connectToNet()
    {
        net[id] = receive;
    }
 
    template<class B>
    friend void send(Packet<B> packet);
 
};

template<class A>
struct Packet
{
    unsigned short senderId;
    unsigned short receiverId;
    A              data;
};

template<class B>
void send(Packet<B> packet)
{
    for(map<unsigned short, void(*)(void*)>::iterator i = net.begin(); i != net.end(); ++i)
    {
        if(i->first == packet.receiverId)
        {
            void* receivedDataa = &packet;
            i->second(receivedDataa);
        }
    }
}

map<unsigned short, void(*)(void*)> net;

i->second =receivedDataa;

i->second(receivedDataa)

  for(map<unsigned short, void(*)(void*)>::iterator i = net.begin(); i != net.end(); ++i)
    {
        if(i->first == packet.receiverId)
        {
            void* receivedDataa = &packet;
            i->second(receivedDataa);
        }
    }

net[packet.senderId] = receivedDataa;