[asterisk-ss7] libss7 loop-back possible on the same card?

[Marcelo Pacheco]

Used this with chan_dynamic of type loc (a virtual loopback span, with
100 channels) channels 1-100 talk to 101-200

networkindicator=national
echocancel=yes
echocancelwhenbridged=no
signalling=ss7
ss7type=itu
context=default

group=0
linkset=1
pointcode=1
adjpointcode=2
defaultdpc=2
cicbeginswith=1
channel=1-99
sigchan=100

group=1
linkset=2
pointcode=2
adjpointcode=1
defaultdpc=1
cicbeginswith=1
channel=101-199
sigchan=200

Vahan Yerkanian wrote:
> On 2/24/10 5:30 PM, peterpet wrote:
>   
>> Yes, its possible.
>>
>>    
>>     
> Could you provide an example?
>
> Are you supposed to use same linkset for both spans? I'm getting 
> something like this when the linksets are the same:
>
> MTP2 link up (SLC 0)
> MTP2 link up (SLC 1)
> --- SS7 Up ---
> Resetting CICs 1 to 15
> Resetting CICs 17 to 31
> Resetting CICs 63 to 77
> Resetting CICs 79 to 93
> [Feb 24 17:41:55] ERROR[4988]: chan_dahdi.c:10349 dahdi_ss7_error: 
> Received message destined for point code 0x1 but we're 0x2.  Dropping
> [Feb 24 17:41:55] ERROR[4988]: chan_dahdi.c:10349 dahdi_ss7_error: 
> Received message destined for point code 0x1 but we're 0x2.  Dropping
> [Feb 24 17:41:55] ERROR[4988]: chan_dahdi.c:10349 dahdi_ss7_error: 
> Received message destined for point code 0x1 but we're 0x2.  Dropping
> [Feb 24 17:41:55] ERROR[4988]: chan_dahdi.c:10349 dahdi_ss7_error: 
> Received message destined for point code 0x1 but we're 0x2.  Dropping
> Got reset acknowledgement from CIC 1 to 15.
> Got reset acknowledgement from CIC 17 to 31.
>
> and this if they're different:
>
> MTP2 link up (SLC 0)
> MTP2 link up (SLC 0)
> --- SS7 Up ---
> --- SS7 Up ---
> Resetting CICs 63 to 77
> Resetting CICs 1 to 15
> Resetting CICs 79 to 93
> Resetting CICs 17 to 31
> [Feb 24 17:42:31] WARNING[5024]: chan_dahdi.c:9974 ss7_linkset: GRS on 
> unconfigured CIC 63
> [Feb 24 17:42:31] WARNING[5025]: chan_dahdi.c:9974 ss7_linkset: GRS on 
> unconfigured CIC 1
> [Feb 24 17:42:31] WARNING[5025]: chan_dahdi.c:9974 ss7_linkset: GRS on 
> unconfigured CIC 17
> [Feb 24 17:42:31] WARNING[5024]: chan_dahdi.c:9974 ss7_linkset: GRS on 
> unconfigured CIC 79
>
> Here is my chan_dahdi.conf:
> ------------
> [trunkgroups]
>
> [channels]
> language=en
> context=ss7
> switchtype=euroisdn
> signalling=ss7
> toneduration=100
> usecallerid=yes
> callwaiting=yes
> usecallingpres=yes
> callwaitingcallerid=yes
> threewaycalling=yes
> transfer=yes
> canpark=yes
> cancallforward=yes
> callreturn=yes
> echocancel=yes
>
> ss7type = itu
> ss7_called_nai=dynamic
> ss7_calling_nai=dynamic
> networkindicator=national
>
> ss7_internationalprefix = 00
> ss7_nationalprefix = 0
> ss7_subscriberprefix =
> ss7_unknownprefix =
>
>
> ; span 1
> group = 1
> callgroup = 1
> pickupgroup = 1
>
> linkset = 1
> pointcode = 1
> adjpointcode = 2
> defaultdpc = 2
>
> sigchan = 16
> cicbeginswith = 1
> channel = 1-15
> cicbeginswith = 17
> channel = 17-31
>
>
> ; span 3
> group = 2
> callgroup = 2
> pickupgroup = 2
>
> linkset = 2
> pointcode = 2
> adjpointcode = 1
> defaultdpc = 1
>
> sigchan = 78
> cicbeginswith = 63
> channel = 63-77
> cicbeginswith = 79
> channel = 79-93
> ------------
>
> dahdi-channels.conf:
> ------------
> group = 0,11
> context = from-pstn
> switchtype = euroisdn
> signalling = ss7
> channel => 1-15,17-31
> context = ss7
> group = 63
>
> ;group = 0,12
> ;context = from-pstn
> ;switchtype = euroisdn
> ;signalling = ss7
> ;channel => 32-62
> ;context = ss7
> ;group = 63
>
> group = 1,13
> context = from-pstn
> switchtype = euroisdn
> signalling = ss7
> channel => 63-77,79-93
> context = ss7
> group = 33
>
> ;group = 0,14
> ;context = from-pstn
> ;switchtype = euroisdn
> ;signalling = ss7
> ;channel => 94-124
> ;context = ss7
> ;group = 63
> --------
>
> /etc/dahdi/system.conf:
> -------
> span=1,1,0,ccs,hdb3
> bchan=1-15,17-31
> mtp2=16
> #dchan=16
> echocanceller=mg2,1-15,17-31
>
> span=3,1,0,ccs,hdb3
> bchan=63-77,79-93
> mtp2=78
> #dchan=78
> echocanceller=mg2,63-77,79-93
>
>
> loadzone        = us
> defaultzone     = us
> -----
>
>
>
>   

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