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Dynamic routing system for a short message sent by a calling party using a mobile phone

  • US 6,512,926 B1
  • Filed: 04/26/2000
  • Issued: 01/28/2003
  • Est. Priority Date: 04/26/1999
  • Status: Expired due to Term
First Claim
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1. Dynamic routing system for short messages (SMS) sent by a calling party using a mobile GSM telephone connected to the network of an operator of mobiles for an intended recipient of short messages (other GSM mobile subscribers or a pager) not belonging to the same mobile telephone network, nor necessarily to networks linked by roaming agreements nor necessarily by interconnection agreements for the transmission of short messages (SMS),the short message (SMS) being composed of a routing envelope with a first field (E1) containing the number of the calling party'"'"'s mobile, a second field (E2) intended to receive the number of the first short message transmission centre (SMSC) of the network of the operator of the calling party'"'"'s mobile, a third field (E3) containing the called mobile number, as well as a field reserved for the text of the message (TM), the system comprising short message transmission centres (SMSC) belonging to the same network or to a different network, the system being characterised by:

  • A) a numbering plan (PN) containing the numbers of the short message transmission centres (SMSC) and the possible interconnections between the different transmission centres (SMSC) and the switching centres (MSC) of the networks of the called mobiles (M1a, . . . M4a), B) a numbering plan manager (GPN) which from the number of the called party defines the relay transmission centre or centres (SMSC) in order to reach the switching centre (MSC) visited by the intended recipient of the short message (SMS).

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