Stuff for installing phone:                                    22 Dec 1985
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Phone consists of three parts - the client ("phone"), the master daemon 
("phoned"), and the conversation daemon ("convd").

"Phoned" is the master server on each machine.  It receives requests from
the client process and acts on them.  Its main purpose is to receive,
store, and process call requests.  All communication to phoned is through
udp/ip datagrams.  The master daemon can be compiled to run standalone or 
under the inetd as a single-threaded datagram-oriented server. 

The conversation daemon is invoked by the master daemon when a user requests
a conversation. Its purpose is simply to relay what each person types back
to all the others in a single conversation.  Each user connects to the convd
over a tcp/ip stream connection, and the convd reads a buffer from each
client and resends the buffer to the other users.

"Phone" is the user client program, responsible for managing windows and
sending control packets to request calls.

