IR.30 GSM900 GSM1800 GSM1900 Roaming Interoperability v3.0.0

Thursday 27 Sep 2012 | All Documents | Networks Group |

IR.30 GSM900 GSM1800 GSM1900 Roaming Interoperability v3.0.0 image

IR.30 describes the technical background, roaming scenarios, possible problems to be encountered and solutions that can be found when a GSM900-GSM1800 customer roams in a GSM1900 network and reverse. It also describes the practical solutions currently adopted and their possible co-existence.

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