Universal Trace Analyzer
Error codes › GTPv1-C cause

GTPv1 cause 220 Unknown PDP address or PDP type

GTPv1-C cause3GPP TS 29.060 §7.7.1

What it means

The responding node doesn't recognize the requested PDP address or PDP type (Unknown PDP address or PDP type).

Where you see it

In the Cause IE of a GTPv1-C response (Create PDP Context, Update PDP Context…) on Gn/Gp.

What to check

Check which GSN sent the response: the cause belongs to that node's decision.

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