[asterisk-ss7] libss7 - callerid presentation & restriction *** BUG

Jean Cérien cerien.jean at gmail.com
Tue Nov 24 16:40:59 CST 2009 

Hello

chan_dahdi and libss7 cant restrict the callerid - IMHO

(asterisk 1.6.1.10 - dahdi 2.2.0, libss7 1.0.2, ss7 mode: ITU)

the config file (chan_dahdi.conf) contains usecallingpres=yes - debugging
the value on chan_dahdi line 14531 shows the config file is correctly read.

however, chan_dahdi.c, line 9131 - tmp->use_callingpres =
conf->chan.use_callingpres - does not retrieve the value from the config
file and is awlays 0. I cant seem to find the relation between both - but
hardcoding this to 1, and then setting screening indicator correctly allow
the function to work.

how do I report a bug ?

J.





On Thu, Oct 8, 2009 at 9:20 PM, Jean Cérien <cerien.jean at gmail.com> wrote:

>
> Hello
>
> Still searching on this one... I've tried to have chan_ss7 on the calling
> box, and lib_ss7 on the other.
>
> well, chan_ss7 sets correctly the presentation & screening bits. When
> libss7 / debug mode dumps the IAM message, on the called box, it says
> 'Presentation : 1, screening 3', instead of Pres:0 Screen: 1 when using
> lib_ss7 on the calling box.
>
> I've tested to switch to ansi  mode, that does not affect it. It really
> looks like there is a bug here !
>
>
> Help !
>
> J.
>
>   On Thu, Oct 8, 2009 at 7:08 AM, Jean Cérien <cerien.jean at gmail.com>wrote:
>
>> thanks for the help, I appreciate this,
>>
>> 1. the otherside is an asterisk box, linked directly by a crossover E1 -
>> both boxes are running the same libss7 version. dumping the SS7 at the side
>> initiating the call show no changes on the presentation/screening
>> indicators.
>>
>> 2. no too sure what you mean - the lines simply dump the * variables
>> output of the script is:
>> ==> CallerId(all) : "2115" <2115>
>>
>> ==> CallerId(pres) : allowed_not_screened
>> ==> CallerId(all) : "2115" <2115>
>> ==> CallerId(pres) : prohib
>> which tend to show that the variable change indeed is effective.
>>
>> My gut feeling is that SS7/ITU number presentation may not work correctly.
>> J.
>>
>>
>> On Wed, Oct 7, 2009 at 5:49 PM, Mesbahuddin Malik <mesbah.malik at gmail.com
>> > wrote:
>>
>>> Two Things
>>>
>>> 1. Does your Otherside (TP -Termination Point ) accept Caller ID
>>> restriction ?
>>>
>>> 2.At your Sipphone Context review Line 2 and 3
>>>
>>>
>>> Rgds
>>> Mesbah
>>>
>>>
>>> On 10/8/09, Jean Cérien <cerien.jean at gmail.com> wrote:
>>>>
>>>>
>>>> Here it is !
>>>> 88 is the prefix i use to select the SS7 trunk when dialing.
>>>>
>>>> J.
>>>>
>>>> [general]
>>>> static = yes
>>>> writeprotect = no
>>>> clearglobalvars = yes
>>>> [globals]
>>>> FEATURES =
>>>> DIALOPTIONS =
>>>> RINGTIME = 20
>>>> FOLLOWMEOPTIONS =
>>>>
>>>> [sipphones]
>>>> exten => _88.,1,Verbose(1,************************ DAHDI ${EXTEN:1} )
>>>> exten => _88.,n,Verbose(1,==> CallerId(all) : ${CALLERID(all)})
>>>> exten => _88.,n,Verbose(1,==> CallerId(pres) : ${CALLERID(pres)})
>>>> exten => _88.,n,Set(CALLERPRES()=prohib)
>>>> exten => _88.,n,Verbose(1,==> CallerId(all) : ${CALLERID(all)})
>>>> exten => _88.,n,Verbose(1,==> CallerId(pres) : ${CALLERID(pres)})
>>>> exten => _88.,n,Dial(dahdi/r1/${EXTEN:2})
>>>>
>>>>
>>>>
>>>>
>>>> On Wed, Oct 7, 2009 at 4:39 PM, Mesbahuddin Malik <
>>>> mesbah.malik at gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>> Post ur extension.conf  here
>>>>>
>>>>> Rgds
>>>>> Mesbah
>>>>>
>>>>>
>>>>>   On 10/8/09, Jean Cérien <cerien.jean at gmail.com> wrote:
>>>>>
>>>>>>
>>>>>> Hello
>>>>>>
>>>>>> I am struggling to restrict the presentation of the callerid with
>>>>>> libss7. It is always presented, even when I set CALLERPRES()=prohib
>>>>>>
>>>>>> My setup:
>>>>>> Sip phone1 -> A* #1 -> dahdi/libss7 -> e1 -> dahdi/libss7 -> A* #2 ->
>>>>>> Sip Phone 2
>>>>>> A* : 1.6.1.6
>>>>>> Dahdi : 2.2.0
>>>>>> libss7 1.0.2
>>>>>> OS: Centos5 x64
>>>>>>
>>>>>> I've tried all possible values for CallerPres - still it shows up at
>>>>>> the other end.
>>>>>>
>>>>>> on the near side, with verbose, I see that the value is correctly set:
>>>>>>     -- Executing [88123 at sipphones:2] Verbose("SIP/2115-0823cc98",
>>>>>> "1,==> CallerId(all) : "2115" <2115>") in new stack
>>>>>>  ==> CallerId(all) : "2115" <2115>
>>>>>>     -- Executing [88123 at sipphones:3] Verbose("SIP/2115-0823cc98",
>>>>>> "1,==> CallerId(pres) : allowed_not_screened") in new stack
>>>>>>  ==> CallerId(pres) : allowed_not_screened
>>>>>>     -- Executing [88123 at sipphones:4] Set("SIP/2115-0823cc98",
>>>>>> "CALLERPRES()=prohib") in new stack
>>>>>>     -- Executing [88123 at sipphones:5] Verbose("SIP/2115-0823cc98",
>>>>>> "1,==> CallerId(all) : "2115" <2115>") in new stack
>>>>>>  ==> CallerId(all) : "2115" <2115>
>>>>>>     -- Executing [88123 at sipphones:6] Verbose("SIP/2115-0823cc98",
>>>>>> "1,==> CallerId(pres) : prohib") in new stack
>>>>>>  ==> CallerId(pres) : prohib
>>>>>>
>>>>>> Far side SS7 debug:(this part is identical in the near side as well)
>>>>>> Calling Party Number:
>>>>>>                         Nature of address: 3
>>>>>>                         NI: 0
>>>>>>                         Numbering plan: 1
>>>>>>                         Presentation: 0
>>>>>>                         Screening: 1
>>>>>>                         Address signals: 2115
>>>>>>                         [ 0a 04 03 11 12 51 ]
>>>>>>
>>>>>> Presentation & screening NEVER change when I change the pres value !
>>>>>> (I obviously reload the dial plan between each test)
>>>>>> chan_dahdi.conf has
>>>>>> usecallingpres=yes
>>>>>> usecallerid=yes
>>>>>>
>>>>>> Two things worth noting:
>>>>>> - Set(CALLERID(num)=012345 works
>>>>>> - the presentation blocking works with chan_ss7
>>>>>>
>>>>>>
>>>>>> Would you have an idea as to why the number can not be hidden ?
>>>>>>
>>>>>> Many thanks,
>>>>>>
>>>>>> J.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>> _______________________________________________
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>>>
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>
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