Universal Trace Analyzer
Error codes › GTPv1-C cause

GTPv1 cause 205 Roaming restriction

GTPv1-C cause3GPP TS 29.060 §7.7.1

What it means

The subscriber is explicitly restricted from roaming here (Roaming restriction).

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

Verify the roaming agreement and the subscriber's roaming provisioning.

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

Got a trace with GTPv1 cause 205 Roaming restriction? Drop it in the analyzer: it finds the step that really failed first, which node sent the code and what to ask the other side. Captures, test-system PDFs and vendor exports. 5 free analyses a month, no sign-up.

Analyze a trace free

Related codes

GTPv1 cause 204 System failureSystem failure on the responding side — not a policy rejection, an int…GTPv1 cause 206 P-TMSI signature mismatchA P-TMSI signature mismatch was detected -- usually a stale/incorrect …GTPv1 cause 207 GPRS connection suspendedThe subscriber's GPRS connection is currently suspended (e.g. during a…GTPv1 cause 202 Mandatory IE missingA required field was missing from the request entirely (Mandatory IE m…GTPv1 cause 208 Authentication failureThe responding node's own authentication procedure failed (Authenticat…GTPv1 cause 201 Mandatory IE incorrectA required field in the request had an invalid value (Mandatory IE inc…