anchor.diff:  [[message-tpnotif]]
   *Type code: TPNOTIF*
   
  -...
  +Call is used to distribute broadcast and notification messages over the bridge
  +connection. This message is utilized for *tpnotify(3)* and *tpbroadcast(3)* XATMI
  +calls.
  +
  +Message starts with *NETCALL*.  NETCALL tag '0x1019' ('command_id') is set to
  +value in range from *13* - *14*. Tag '0x100F' ('msg_type') is set to *N*.
  +
  +.TPNOTIF call
  +|=========================================================
  +|TLV TAG | Name | Format | Cond | Default value | Applicable command_id | Description
  +|0x123F |stdhdr        |STDHDR1..PMSGMAX |Mand| N/A| Any|Contains *command_id*:
  +
  +*13* - *tpnotify(3)* message.
  +
  +*14* - *tpbroadcast(3)* message.
  +
  +|0x1249 |destclient         |STRING1..96    |Mand |N/A| 13 |Client myid to which deliver
  +the notification. 
  +
  +|=========================================================
   
   ==== Workflows
   ...
  
positive.code: ==== Workflows
  ...
  
  ===== Syncrhouns tpcall
  
  ...
  
  ===== Asyncrhous call
  
  ...
  
  
negative.code: 
  ==== Example message
  
  tpcall() request:
  
  --------------------------------------------------------------------------------
  
  --------------------------------------------------------------------------------
  
  
  === TP Notify / TP Broadcast message block
  