6110: Frames of type 0x08 and 0x09

sorry for bothering again with 6110 stuff, but I have observed some more
things about protocol and I do not want you to duplicate this work. I'd be
glad if someone (probably Richard?) can collect information about protocol
(from Richard's page, from Colin's mail and from this group).

BTW - sorry for my english ;-)

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Frames of type 0x08 (PIN code)

This type of the frame is used to enter PIN (Personal Identification Number=
).

=091e 00 0c 08 00 0d 00 01 00 0a 02 "abcd" 00 00 01 41 00 xx yy

"abcd" is the PIN. For example if your PIN is 1234 so "abcd" is 31 32 33
34. "xx yy" is the checksum.

The above frame is send to mobile phone and it responds with an acknowledge
frame:

=091e 0c 00 7f 00 02 08 01 16 70

And one of the next frame from the phone is one of these:

1. When the SIM card is not inserted, the phone displays "Insert SIM card" =
and
sends:

=091e 0c 00 08 00 07 01 08 00 0c 6f 01 41 00 31 06

2. When we are sending the PIN code when the phone has the message "Enter P=
IN
code:" on its display:

=091e 0c 00 08 00 06 01 08 00 0b 01 41 1e 40

This means that the entered PIN was correct - the phone displays the messag=
e
"Code accepted".

3. When the PIN is incorrect or already entered, the phone responds with

=091e 0c 00 08 00 07 01 08 00 0c 88 01 41 00 d6 06

and it displays "Code error!" when the PIN is incorrect and the correct one=
is
not already entered.

This is somewhat different than Colin already reported. When the PIN is OK,
the respond message has length 0x06. Colin reported 0x07. Another differenc=
e
is when correct PIN frame is send when PIN is already entered. Colin said t=
hat
the respond frame is the same as if we send correct PIN. My tests showed th=
at
it is not. Weird. Can you tell us something about it?

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Frames of type 0x09 (registering with the network)

When the PIN frame is sent the phone also sends this frame.

=091e 0c 00 09 00 06 01 08 00 80 01 42 1e c9

Colin Paton things that this means "registered OK with the network".

The meaning of this frame is not known. I have observed this frame also whe=
n
the phone is powered off:

=091e 0c 00 09 00 06 01 08 00 81 01 46 1e cc

The only different byte is 0x81 (changed from 0x80) so this frame should me=
an
"unregistered from the network".
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-- 
Pavel Jan=EDk ml.
Pavel.Janik@inet.cz