PGW & Siemens

Unanswered Question
Feb 15th, 2007

I have a PGW connected to a PSTN (Siemens EWSD) for a prepaid calling card platform. I can dial into the cisco platform but when I route the call back to the same PSTN, the PSTN sees the calling number prepended with 009.

Below is the SS7 trace from the PSTN showing the owner DN 00915925 instead of 15925 (Although I noticed in the trace the NAI is international while the PSTN is expecting national).

I need help,

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

ABJPC/ABW.523/NIACPK1V16316934/103 07-02-15

17:47:49

9134 OMT-01/MUSA 2959/20044

DISPCHAREC:TYPE=IACAMA,ICTGNO=BSCOPO,BEGDATE=07-02-15,

BEGTIME=17-35-00,ENDDATE=07-02-15,ENDTIME=17-40-00,ALL=Y;

DISPLAY OF IACAMA RECORD

FLAGS : SINGLE CHARGE ANSWER IACAMA CONN

OWNER DN : 00915925

CALLING PARTY : 15925

NADI: 4 =INTERNATIONAL NUMBER NPI: 1=ISDN NUMBERING PLAN

SCR.IND.: 1=USER PROVIDED PASSED PRES.IND.: 1=RESTRICTED

CALLED PARTY : 84232222

NADI: 3 =NATIONAL NUMBER NPI: 1=ISDN NUMBERING PLAN

DATE TIME DURAT: 2007-02-15 17:38:09 3 BEGTIME SECURE 23

SEC

PARTNER DN : 084232222

TMR : 1 =SPEECH

CHARGE UNITS : CONN= 0

DUR B. ANSWER : DT-ACM = 1 ACM-ANS = 3

QUALITY DATA : CAUSE= 38 LOCATION= 2 CODING STANDARD= 0

TRUNKID : TGNO-LNO :INC= BSCOPO-1 OG= BENUSC-1009

CONNECTION ID : H'0A910300

INTERRUPTION TEXT JOB 9134

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exchange1 Thu, 02/22/2007 - 18:55

I am able to resolve the problem by setting the NAI to "national" which corresponds with what the PSTN wants. Since my PGW is in signaling mode I used the command "linexlate" to make the changes.

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