[asterisk-ss7] ISUP decoding error

Kristian Nielsen knielsen at mysql.com
Tue Jan 16 03:45:50 MST 2007


asterisk at nicox.org writes:

> There is the complete trace of this Call:
> 
> http://www.nicox.org/links/ss7dump.txt

    CIC: 5
    Message type: Release (12)
    Cause indicators, see Q.850 (2 bytes length)
        Mandatory Parameter: 18 (Cause indicators)
        Pointer to Parameter: 2
        Parameter length: 2
        Cause indicators (-> Q.850)
        .... 1010 = Cause location: Network beyond interworking point (BI) (10)
        .00. .... = Coding standard: ITU-T standardized coding (0x00)
        1... .... = Extension indicator: last octet
        .000 0001 = Cause indicator: Unallocated (unassigned) number (1)
        1... .... = Extension indicator: last octet
    No optional parameter present (Pointer: 0)

Note this: "Cause indicator: Unallocated (unassigned) number".

That would seem to indicate that the called number (+38111821145) is not
valid?

Not sure if that is the reason for the confusion message though (cannot
remember exactly when confusion is sent).

Is the circuit CIC=5 correctly configured at both ends? But I guess if that
was the problem, you would instead have gotten "unequipped CIC".

 - Kristian.

-- 
Kristian Nielsen, Software Developer
MySQL AB, Hvidovre, Denmark, www.mysql.com
Office: +46 18 174 400 ext. 4525
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