The MO and MT P2P SMS imbalance can be caused by number of factors, for example:
- Asymmetrical routing (direct vs hub1 vs hub2)
- A2P or Spam SMS
- MT SMS grey or unauthorized routing.
It is important to first understand why the imbalance exists so that the right action can be taken to address it.
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Asymmetrical Routing
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This can often happen when customer maintains direct and SMS hub path, sometimes with two SMS hub connection. MO SMS is routed via one path and MT SMS is received via another path.
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A2P or Spam SMS
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When P2P SMS traffic is analysed, we often find A2P or spam traffic in the mix. It is important to have spam protection for SMS traffic and ensure A2P traffic is identified and routed via correct A2P route.
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MT SMS grey or unauthorized routing
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In some cases, traffic imbalance is caused by MT SMS traffic that is routed to customer via unauthorized routes. SMS Firewalls will help to block the traffic.
SInch can help our customers identify these cases through traffic analysis and testing.
Click here to learn more about the Sinch SMS Firewall solution.
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Vesa Lindberg, Head of Product Management, Operator Services
