Cisco Bug: CSCur73569 - MME rejects the call with cause Mandatory IE missing: APN IE in SRNS.
Dec 24, 2016
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: MME rejects the call with cause Mandatory IE missing: APN IE in SRNS. Conditions: 1. UE attaches in 4g. 2. Does 3G-4G S3 SRNS Procedure. 3. After MME receives Forward relocation request message, MME rejects the call with the cause 'EGTP_CAUSE_MANDATORY_IE_MISSING' though the APN is set correctly.
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Bug Details Include
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