[asterisk-dev] ISDN Cause Code 100, Bosch Integral Management Connection

[Klaus Darilion]

Michael Neuhauser schrieb:
> On Fre, 2008-11-14 at 10:07 +0100, Wolfgang Pichler wrote:
>> The original setup does contain two calling numbers, the user provided 
>> number and the network number - the new setup does only contain the user 
>> provided number
>> The original setup does have at the called number numbering plan 1 - 
>> isdn numbering plan - the new setup does have 0 = unknown
> 
> This should not matter, except if the PBX needs to see both numbers as
> they are (but in this case I wouldn't expect it to answer with 'invalid
> information element' as it does).
> 
>> The numbering plan issue could get fixed by setting the numbering plan 
>> (may i also set the numbering plan before i create the new call - so 
>> that it does not affect all calls ?)
> 
> No, its either fixed for all calls or derived from the called number for
> all calls.
> 
>> Some suggestions how to proceed would be very helpfull
> 
> I'm pretty sure that the wrong User information layer 1 byte is to
> blame. Especially since I've tested it with my libpri (version 1.2.2 +
> bristuff 0.3.0.pre1n, already pretty old) and for a digital call, the
> user-layer 1 byte is *not* there (Bearer Capability is only 4 bytes
> long, not 5 as in your SETUP). Libpri contains the following code:
> 
>         static FUNC_SEND(transmit_bearer_capability)
>         ...
>         	if ((tc & PRI_TRANS_CAP_DIGITAL)&&(pri->switchtype == PRI_SWITCH_EUROISDN_E1)) {
>         		/* Apparently EuroISDN switches don't seem to like user layer 2/3 */
>         		return 4;
>         	}
>         	/* add userlayer 1 info */
>         
> Since you have switchtype=euroisdn in your zapata.conf (as seen in
> previous email), this should prevent the user-layer-1 byte to be added.
> Maybe you just have to upgrade to a newer version of libpri (and maybe
> Asterisk too).

There are valid scenarios with digital calls and UL1 - e.g. UMTS video 
calls (H324M)

regards
klaus


> 
>> And - i am not sure - is this more a -dev or -users question ?
> 
> Starting to look more like a user thing. Let's continue on asterisk-user
> (just saw your question there).
> 
> Regards,
> 	Mike