Hi Boris

Am 10.05.2020 um 20:37 schrieb Boris:
> Hej Erich,
> 
> (back to the list....)
> 
> Am 10.05.20 um 20:18 schrieb Erich Titl:
>> Hi Boris
>>
>> Am 10.05.2020 um 19:56 schrieb Boris:
>> ....
>>
>>>>
>>>> Just a stupid question, or rather two
>>>
>>> not far as stupid as mine....
>>>
>>>>
>>>> - Can't you access the box using ssh as this would allow closer inspection.
>>>
>>> Sure I can - temporarily, next time hopefully in Tuesday eveneing, when
>>> my helping hand will change the CF-Card from old to new (and back, if I
>>> don't manage to make phone and Mail work).
>>>
>>>>
>>>> - Is the CF big enough to allow for two different versions of LEAF, this
>>>> allows to directly compare the settings.
>>>
>>> Well, yes... That is an option, that I made first experiences with -
>>> evaluating it especially for that case.
>>> But: Even if it is possible to switch into a testing environment, I
>>> still need somebody to operate the phone for testing!
>>> But yes: If I fail at this on Tuesday, I am going to build a
>>> multiboot-CF and send it to the location.
>>>
>>>>
>>>> The second is a standard I am using on these boxes. Actually one of mine
>>>> is about 6000 Km away.
>>>
>>> In my case it's only about 400 km.
>>>
>>>>
>>>> Could you make a ascii graphic of your set up?
>>>
>>> I hope this makes it clear:
>>>
>>>
>>>
>>>            Telekom DeutschlandLAN allIP
>>>                        |
>>>                        |
>>>                  Zyxcel VMG1312
>>>                        |
>>
>> So what does the Zyxel really do, just signal transformation?
>>
> 
> Yes, it works like a modem.
> 
>>>                        |
>>>                   PPPoE (eth0)
>>>                     LeafBox
>>>                   eth1   eth2
>>>                      /   \
>>>                     /     \
>>>                    /       \
>>>                   /         \
>>>                 loc67     loc66
>>>       192.168.67.0/24     192.168.66.0/24
>>> (with Internetaccess)     (no Internetaccess)
>>>            |
>>
>> What id the reason for loc66, e.g. why is it connected to the router at all?
>>
> 
> call it DMZ. There is (beside other PCs that are not allowed to user
> Internet) a Windows Server established in loc66 and clients from loc67
> use file shares and printing.
> The zone loc66 is not part of the issue.
> 
>>>            |
>>>        Fritzbox
>>>     192.168.67.253
>>>        ISDN-X0
>>>          /  \
>>>         /    \
>>>     Phone    Fax
>>>
>>
>> If I understood your problem correctly you have a problem making a phone
>> call to the Fritzbox connected Phone from remote, is that true?
> 
> No:
> Calling from remote to the phone works fine.
> But: Calling from the phone to remote connects the call but doesn't
> transport the audio.

So presumably the outgiong audio is using a different path/port than the
control channel. Is that path open? Can you see the audio packets come
in and out of the interfaces of the router.

cheers

ET


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