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Error codes › MAP error

MAP error 28 incompatibleTerminal

MAP error3GPP TS 29.002 §17.6.6

What it means

The subscriber's terminal is incompatible with what this procedure requires (incompatibleTerminal).

Where you see it

In a returnError component of a MAP dialogue over TCAP/SCCP (roaming, SMS, call routing).

What to check

Check which network element sent the returnError (calling GT) and the operation it answered.

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Related codes

MAP error 27 GMSC/gatewayThe response to a provideRoamingNumber request came back as absentSubs…MAP error 29 shortTermDenialA short-term restriction is currently denying this request (shortTermD…MAP error 26 subsequentHandoverFailureA handover that was already in progress failed partway through (subseq…MAP error 30 longTermDenialA long-term restriction is denying this request (longTermDenial) -- wo…MAP error 25 noHandoverNumberAvailableNo handover number was available to complete the handover (noHandoverN…MAP error 31 subscriberBusyForMT-SMSThe subscriber was busy specifically for mobile-terminated SMS deliver…