From our mobile carrier: We are aware of some issues impacting inbound calls towards ported-in numbers from various UK Service Providers. Our voice team is currently investigating this issue and we will provide more updates as soon as they are available. We apologise for the inconvenience and we will keep you updated throughout the process.
Update from carrier: Our engineering team is working together with our voice transit partner for further investigation. We will come back with another update within the next hour.
Update from carrier: Please note that the issue is still under investigation by our voice transit partner.
Update from carrier: Please note that our voice transit partner has identified a routing configuration error for our Mobile Portability Code and they have escalated this further internally in order to correct the issue and to restore the voice traffic towards ported numbers.
Update from carrier: Please note that our voice transit partner is still working internally in order to fix this issue. We have also escalated this with the appropriate management team in order to reach a resolution as soon as possible.
Update from carrier: Incident restored. Please note that starting with 16:58 UTC March 22nd, voice calls towards ported-in numbers have returned to their normal parameters.
We are still waiting for our Voice Transit Provider to provide a RFO regarding this incident. As soon as that will be made available, we will send out another notification email.