[asterisk-ss7] Starting with SS7. Channel-Configuration
Markus A. Wipfler
markus at infocom.co.ug
Thu Oct 4 08:51:34 CDT 2007
Hi Tobias,
Red Alarm on the card usually indicates a physical problem, I might be
wrong but check your cabling.
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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