[asterisk-ss7] Starting with SS7. Channel-Configuration
Matthew Fredrickson
creslin at digium.com
Thu Oct 4 19:22:50 CDT 2007
Markus A. Wipfler wrote:
> Hi Tobias,
>
> Red Alarm on the card usually indicates a physical problem, I might be
> wrong but check your cabling.
Yes, I second that. IIRC, in your zapata.conf you had sigchan=1. Zap/1
is on the first span, and from your output, it looks like span 1 is in
red alarm. You need to get that fixed first.
Matthew Fredrickson
>
> Rgrds
> Markus
>
>
> Tobias Wolf wrote:
>> Hi all,
>>
>> we have used Asterisk with Standard PRI E1 Connection for some time.
>>
>> Now we have the opportunity to be connected to the PSTN over an SS7
>> Trunk. The Device to which we will be connected is an Ericsson Axe.
>>
>> I have followed instruction from this source:
>> http://www.cesnet.cz/doc/techzpravy/2006/asterisk-ss7/
>>
>> More precice i worked through chapter 6 to use the native ss7 capability
>> of Asterisk.
>>
>> So i downloaded, comiled and installed:
>>
>> - libss7-trunk
>> - libpri-trunk
>> - asterisk-trunk
>>
>> I have not used zaptel-trunk since the package gave a warning the it is
>> currently broken, so have have used zaptel-1.4.5.1
>>
>> In the server is an Digium TE220B.
>>
>> Here is my zaptel configuration:
>>
>> span=1,0,0,ccs,hdb3,crc4
>> bchan=2-31
>> dchan=1
>> loadzone = us
>> defaultzone=us
>>
>> B- and D-channel configuration were communicated by the owner of the
>> ericsson switch.
>>
>> Here is the zapata.conf:
>> signalling=ss7
>> rxwink=300
>> usecallerid=yes
>> hidecallerid=no
>> callwaiting=yes
>> usecallingpres=yes
>> callwaitingcallerid=yes
>> transfer=yes
>> canpark=yes
>> cancallforward=yes
>> callreturn=yes
>> echocancel=yes
>> echocancelwhenbridged=yes
>> rxgain=0.0
>> txgain=0.0
>> group=1
>> callgroup=1
>> pickupgroup=1
>> immediate=no
>> ; ---------------- Options for use with signalling=ss7 -----------------
>> ; Variant of SS7 signaling:
>> ; Options are itu and ansi
>> ss7type = itu
>>
>> ; SS7 Called Nature of Address Indicator
>> ;
>> ; unknown: Unknown
>> ; subscriber: Subscriber
>> ; national: National
>> ; international: International
>> ; dynamic: Dynamically selects the appropriate dialplan
>> ;
>> ss7_called_nai=dynamic
>> ;
>> ; SS7 Calling Nature of Address Indicator
>> ;
>> ; unknown: Unknown
>> ; subscriber: Subscriber
>> ; national: National
>> ; international: International
>> ; dynamic: Dynamically selects the appropriate dialplan
>> ;
>> ss7_calling_nai=dynamic
>> ;
>> ;
>> ; sample 1 for Germany
>> ;ss7_internationalprefix = 00
>> ;ss7_nationalprefix = 0
>> ;ss7_subscriberprefix =
>> ;ss7_unknownprefix =
>> ;
>>
>> ; All settings apply to linkset 1
>> linkset = 1
>>
>> ; Point code of the linkset. For ITU, this is the decimal number
>> ; format of the point code. For ANSI, this can either be in decimal
>> ; number format or in the xxx-xxx-xxx format
>> pointcode = 7430
>>
>> ; Point code of node adjacent to this signaling link (Possibly the STP
>> between you and
>> ; your destination). Point code format follows the same rules as above.
>> adjpointcode = 7420
>>
>> ; Default point code that you would like to assign to outgoing messages
>> (in case of
>> ; routing through STPs, or using A links). Point code format follows
>> the same rules
>> ; as above.
>> defaultdpc = 7420
>>
>> ; Begin CIC (Circuit indication codes) count with this number
>> cicbeginswith = 2
>>
>> ; What the MTP3 network indicator bits should be set to. Choices are
>> ; national, national_spare, international, international_spare
>> networkindicator=international
>>
>> ; First signaling channel
>> sigchan = 1
>>
>> ; Channels to associate with CICs on this linkset
>> channel = 2-31
>>
>> Here is the snippet of asterisk startup (regarding SS7):
>> -- Registered channel 2, SS7 Signalling signalling
>> -- Registered channel 3, SS7 Signalling signalling
>> -- Registered channel 4, SS7 Signalling signalling
>> -- Registered channel 5, SS7 Signalling signalling
>> -- Registered channel 6, SS7 Signalling signalling
>> -- Registered channel 7, SS7 Signalling signalling
>> -- Registered channel 8, SS7 Signalling signalling
>> -- Registered channel 9, SS7 Signalling signalling
>> -- Registered channel 10, SS7 Signalling signalling
>> -- Registered channel 11, SS7 Signalling signalling
>> -- Registered channel 12, SS7 Signalling signalling
>> -- Registered channel 13, SS7 Signalling signalling
>> -- Registered channel 14, SS7 Signalling signalling
>> -- Registered channel 15, SS7 Signalling signalling
>> -- Registered channel 16, SS7 Signalling signalling
>> -- Registered channel 17, SS7 Signalling signalling
>> -- Registered channel 18, SS7 Signalling signalling
>> -- Registered channel 19, SS7 Signalling signalling
>> -- Registered channel 20, SS7 Signalling signalling
>> -- Registered channel 21, SS7 Signalling signalling
>> -- Registered channel 22, SS7 Signalling signalling
>> -- Registered channel 23, SS7 Signalling signalling
>> -- Registered channel 24, SS7 Signalling signalling
>> -- Registered channel 25, SS7 Signalling signalling
>> -- Registered channel 26, SS7 Signalling signalling
>> -- Registered channel 27, SS7 Signalling signalling
>> -- Registered channel 28, SS7 Signalling signalling
>> -- Registered channel 29, SS7 Signalling signalling
>> -- Registered channel 30, SS7 Signalling signalling
>> -- Registered channel 31, SS7 Signalling signalling
>> -- Automatically generated pseudo channel
>> == Starting SS7 linkset on span 1
>> == Registered channel type 'Zap' (Zapata Telephony Driver w/PRI w/SS7)
>> == Manager registered action ZapTransfer
>> == Manager registered action ZapHangup
>> == Manager registered action ZapDialOffhook
>> == Manager registered action ZapDNDon
>> == Manager registered action ZapDNDoff
>> == Manager registered action ZapShowChannels
>> == Manager registered action ZapRestart
>> chan_zap.so => (Zapata Telephony)
>>
>>
>> This is the output of ss7 debugging:
>> *CLI> ss7 debug linkset 1
>> Enabled debugging on linkset 1
>> *CLI> Len = 4 [ ff ff 01 03 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>
>>> [0] LSSU SIOS
>>>
>> *CLI> ss7 show linkset 1
>> SS7 linkset 1 status: Down
>>
>> *CLI> zap show channels
>> Chan Extension Context Language MOH Interpret
>> Blocked State
>> pseudo default default
>> In Service
>> 2 default default
>> Out of Ser
>> 3 default default
>> Out of Ser
>> 4 default default
>> Out of Ser
>> 5 default default
>> Out of Ser
>> 6 default default
>> Out of Ser
>> 7 default default
>> Out of Ser
>> 8 default default
>> Out of Ser
>> 9 default default
>> Out of Ser
>> 10 default default
>> Out of Ser
>> 11 default default
>> Out of Ser
>> 12 default default
>> Out of Ser
>> 13 default default
>> Out of Ser
>> 14 default default
>> Out of Ser
>> 15 default default
>> Out of Ser
>> 16 default default
>> Out of Ser
>> 17 default default
>> Out of Ser
>> 18 default default
>> Out of Ser
>> 19 default default
>> Out of Ser
>> 20 default default
>> Out of Ser
>> 21 default default
>> Out of Ser
>> 22 default default
>> Out of Ser
>> 23 default default
>> Out of Ser
>> 24 default default
>> Out of Ser
>> 25 default default
>> Out of Ser
>> 26 default default
>> Out of Ser
>> 27 default default
>> Out of Ser
>> 28 default default
>> Out of Ser
>> 29 default default
>> Out of Ser
>> 30 default default
>> Out of Ser
>> 31 default default
>> Out of Ser
>>
>> *CLI> zap show status
>> Description Alarms IRQ bpviol
>> CRC4
>> T2XXP (PCI) Card 0 Span 1 RED 0 0 0
>> T2XXP (PCI) Card 0 Span 2 OK 0 0 0
>>
>>
>> Grats for anyone who has followed so far ;)
>>
>> I think it is clear that my SS7 configuration didn't work so far ...
>> My provider for SS7 connection claims that on his side everthing is up
>> and running.
>>
>> According to the information i gave above, can anybody give me a hint,
>> where to look for an error.
>>
>> I further information are required please send me an email and i will
>> try to provide them.
>>
>> Thanks in advance.
>>
>> Regards,
>>
>>
>
>
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--
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.
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