The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2014
Filed:
Sep. 22, 2009
Xuming Chen, San Ramon, CA (US);
Loc B. Vo, Pleasant Hill, CA (US);
Kwai Y. Lee, Pittsburg, CA (US);
Xuming Chen, San Ramon, CA (US);
Loc B. Vo, Pleasant Hill, CA (US);
Kwai Y. Lee, Pittsburg, CA (US);
Verizon Patent and Licensing Inc., Basking Ridge, NJ (US);
Abstract
A method includes a network device receiving a request from a user, to deliver a short messaging service (SMS) message, to another user, where the other user is roaming; sending, to a first device, a user registration query; receiving, from the first device and by the network device, a user registration response, where the user registration response indicates whether the other user, in which the SMS message is to be delivered, is registered with zero networks, one network, or two networks; forwarding, by the network device, the SMS message associated with the request, via at least one of the one network or the two networks, when the user registration response indicates that the other user is registered with at least one of the one network or the two networks; and sending to a second device, by the network device, another user registration query, when the user registration response indicates that the other user is registered with zero networks.