===== YSF Protocol for MMDVM-HOTSPOTS =====

//**YCS Listener-UDP-Port: 42000**//

==== LOGIN YSFP (Poll) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFP	| ASCII
^ RPTR-Callsign	| 10 Byte	| OE1KBC____	| ASCII filled up with blank 0x20 |
^ total 14 byte| 	|               |  |

==== LOGOUT YSFU (Unlink) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFU	| In ASCII |
^ RPTR-Callsign	| 10 Byte	| OE1KBC____	| ASCII filled up with blank 0x20 |
^ total 14 byte| 	|               |  |

==== OPTIONS YSFO (DG-ID-List to Reflector) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFO	| ASCII |
^ RPTR-Callsign	| 10 Byte	| OE1KBC____	| ASCII filled up with blank 0x20 |
^ OPTIONS	| 36 Byte	| 10;20;77;80;	| ASCII filled up with blank 0x20 |
^ 	        |       	| 	| DG-ID separated by ; semicolon |
^ total 50 byte| 	|               |  |

==== INFO YSFI (Info to Reflector) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFI	| ASCII |
^ RPTR-Callsign	| 10 Byte	| OE1KBC____	| ASCII filled up with blank 0x20 |
^ RX-Frequency	| 9 Byte	| 430600000	| ASCII 999999999 |
^ TX-Frequency	| 9 Byte	| 438200000	| ASCII 999999999 |
^ Locator	| 6 Byte	| JN88EG	| ASCII |
^ Name/Town	| 20 Byte	| Vienna	| ASCII filled up with blank 0x20 |
^ HOTSPOT-Type	| 12 Byte	| MMDVM	        | ASCII filled up with blank 0x20 |
^       	| 	| OPENSPOT3     | ASCII filled up with blank 0x20 |
^       	| 	| DV4mini       | ASCII filled up with blank 0x20 |
^       	| 	| PiStar        | ASCII filled up with blank 0x20 |
^ YSFGateway-ID	| 7 Byte	| 0232155       | ASCII 9999999 |
^ Filler	| 3 Byte	|               | ASCII filled up with blank 0x20 |
^ total 80 byte| 	|               |  |


==== PAYLOAD YSFD (Data) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFD	| ASCII |
^ RPTR-Callsign	| 10 Byte	| OE1KBC____	| ASCII filled up with blank 0x20 |
^ USER-Callsign	| 10 Byte	| OE8KBC____	| ASCII filled up with blank 0x20 |
^ DEST-Callsign	| 10 Byte	| ALL______	| ASCII filled up with blank 0x20 |
^ STATUS	| 1 Byte	| (0x00 / 0x01) + 0xFE	| Status 0,1 + (Count << 1) |
^ FS+FICH	| 30 Byte		 | see table |
^ PAYLOAD 1 CHECK	| 5 Byte	| ??	 |
^ PAYLAOD 1 AMBE	| 13 Byte	| AMBE+	 |
^ PAYLOAD 2 CHECK	| 5 Byte	| ??	 |
^ PAYLAOD 2 AMBE	| 13 Byte	| AMBE+	 |
^ PAYLOAD 3 CHECK	| 5 Byte	| ??	 |
^ PAYLAOD 3 AMBE	| 13 Byte	| AMBE+	 |
^ PAYLOAD 4 CHECK	| 5 Byte	| ??	 |
^ PAYLAOD 4 AMBE	| 13 Byte	| AMBE+	 |
^ PAYLOAD 5 CHECK	| 5 Byte	| ??	 |
^ PAYLAOD 5 AMBE	| 13 Byte	| AMBE+	 |
^ total 155 byte| 	|               |  |

===== Server reply messages =====
==== YSFP ONLINE ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFP	| ASCII  |
^ RPTR-Callsign	| 10 Byte	| ONLINE | ASCII filled up with 0x00 |
^ total 10/14 byte| 	|               |  |


===== Server messages to YSFRegistry =====
==== YSFS PING V1 ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFS	| ASCII  |
^ Software ID	| 5 Byte	| 99999	| ASCII 00001 - 99999  |
^ YSF Server-Name  | 30 Byte	| DISPLAY NAME FOR Registry-Dashboard | ASCII filled up with 0x20 |
^ Connection-Count  | 3 Byte	| 999	| ASCII 000-999  |
^ total 42 byte| 	|               |  |

==== YSFR PING V2 (not yet implemented) ====
^ Name	^ Length	^ Values	^ Comment |
^ Signature	| 4 Byte	| YSFS	| ASCII  |
^ Software ID	| 5 Byte	| 99999	| ASCII 00001 - 99999  |
^ YSF Server-Name  | 30 Byte	| DISPLAY NAME FOR Registry-Dashboard | ASCII filled up with 0x20 |
^ Connection-Count  | 3 Byte	| 999	| ASCII 000-999  |
^ DNS-Name  | 63 Byte | e.g. srv08.oevsv.at	| ASCII filled up with 0x20  |
^ Server Version  | 25 Byte | e.g. YCS Version B.05.31	| ASCII filled up with 0x20  |
^ total 130 byte| 	|               |  |