====== transfer() ======
call.transfer() requests other end of a call to call supplied address instead. The address to transfer call to is supplied as argument.

This is called a blind transfer.

===== Arguments =====
call.transfer(to)
  * to - string containing address other end should call instead of us.

===== Returns =====
Nothing.

===== Events =====
None.

===== Example =====
You are in a call with adam@foo.com

call.transfer("david@foo.com") requests adam@foo.com to end our conversation and call david@foo.com instead.