DSR Error On IWF From MAP To Diameter (Doc ID 2645720.1)

Last updated on JULY 26, 2023

Applies to:

Symptoms

DSR sends the error "MIWF-ERR-3004-754: IWF Message Translation or Address Translation Error." at Diameter 3GPP-ME-Identity-CheckAnswer when response from EIR returnResultLast CheckIMEI is received.

Message flow is mentioned below:

MME ---> DSR:
DIAMETER 434 cmd=3GPP-ME-Identity-CheckRequest(324) flags=RP-- appl=3GPP S13/S13'(16777252) h2h=70620100 e2e=70620100
IMEI: xxxxxxxxxxxxxx

DSR ---> EIR:
GSM MAP 178 invoke checkIMEI
imei: yxyxyxyxyxyxyxyx
TBCD digits: xxxxxxxxxxxxxx09

EIR ---> DSR:
GSM MAP 190 SACK returnResultLast checkIMEI
equipmentStatus: <ALLOWLIST> (0)

DSR --> MME:
DIAMETER 394 cmd=3GPP-ME-Identity-CheckAnswer(324) flags=-P-- appl=3GPP S13/S13'(16777252) h2h=70620100 e2e=70620100
AVP: Error-Message(281) l=80 f=--- val=MIWF-ERR-3004-757: IWF Message Translation or Address Translation Error.

Our EIR is an EAGLE STP running in 46.5 release.

In the COMCOL logs we see that the DSR is complaining about the CGPA GTA that is missing in the response from the EIR at SCCP level:

mapiwf MD-IWF address translation failed mapiwf
GN_INFO/INF Address Translation Error Reason=CGPA GTA digits empty, MAP Parameter=GTA Digits

EAGLE EIR does not send its CgPA GT at SCCP level.

Is this a compatibility issue between DSR and EAGLE ?

Changes

None

Cause

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