Hi Michael,

>> So far you are the first to report a modem that behaves in this manner when
>> it comes to parameter lists.
>
> yes, because i am probably the first that investigated the problem in depth. i
> saw alot of complains that the registration state is not reached from many
> ofono users. cause for that is exactly the +CMER answer of those modems.
>

Please understand, I'm not denying there's a problem, just that it is 
the first I've heard of it.  Please mention these reports on IRC or the 
Mailing List to me in the future so we can get them addressed quicker.

> as the modem in question is used in many thinkpads and other notebooks i assume
> that the many people can't use ofono out of this reason.

Can you actually tell me what this modem is?  Maybe I can test it on my end?

>
> so what do you suggest to support this modem? how would a quirk as you
> suggested look like?
>

The CMER parser was introduced in commit b87619.  It was essentially a 
straight forward port from the SMS driver and meant to fix the 
particular behaviors of the Telit devices.  This was early September, 
surprising that no one complained in 4 months...

The way I suggest to fix it would be to skip probing CMER if a quirk is 
enabled for your particular device and simply send the appropriate CMER 
command.  Prior to September oFono simply used to send 'AT+CMER=3,0,0,1'

Regards,
-Denis