| US 7,577,426 B1 | ||
| Method and system for managing multiple directory numbers for a mobile station | ||
| Jason R. Delker, Olathe, Kans. (US); John M. Everson, Kansas City, Mo. (US); and Bryce A. Jones, Overland Park, Kans. (US) | ||
| Assigned to Sprint Spectrum L.P., Overland Park, Kans. (US) | ||
| Filed on Oct. 11, 2007, as Appl. No. 11/870,632. | ||
| Application 11/870632 is a continuation of application No. 10/659822, filed on Sep. 11, 2003, granted, now 7,315,738. | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H04M 3/42 (2006.01) | ||
| U.S. Cl. 455—414.1 [455/415; 455/417; 455/419; 379/201.01; 379/142.06; 379/265.02; 379/142] | 20 Claims |

| 1. A method of managing a plurality of directory numbers for a mobile station, said plurality of directory numbers including
at least a first directory number and a second directory number, said method comprising:
storing in a call control system an association between said first directory number and an identifier code, wherein said identifier
code is used by said mobile station to indicate call origination from said first directory number;
receiving a request to originate a call from said mobile station to a called party, said request including said identifier
code;
in response to said request, transmitting a query to said call control system, said query including said identifier code;
receiving a response to said query, said response including said first directory number; and
routing said call to said called party, such that said first directory number is identified as a calling party number.
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