E-mail distribution control method and mail server
First Claim
1. A method for ensuring delivery of an electronic message to a wireless mobile telephone that has at least an electronic message communication functionality and a voice communication functionality, comprising the steps of:
- (a) determining a reception status of the wireless mobile telephone before sending the electronic message to the wireless mobile telephone;
(b) it is determined that the wireless mobile telephone is not reachable, executing step (a) at first time intervals that generally progressively widen as a number of consecutive negative determinations that the wireless mobile telephone is not reachable increases;
(c) if it is determined that the wireless mobile telephone is not receptive to a message delivery, executing step (a) at second time intervals; and
(d) if determined otherwise in steps (b) and (c), sending the electronic message to the wireless mobile telephone.
1 Assignment
0 Petitions
Accused Products
Abstract
When gateway server 30 receives an email, which is addressed to mobile station 10, gateway server 30 transmits an email arrival notice to mobile station 10. When gateway server 30 receives an acknowledgement response (referred to as ‘Ack’ hereinafter) responding to the email arrival notice from mobile packet communication network 20, gateway server 30 evaluates the status of mobile station 10 on the basis of the type of Ack, and determines whether to transmit the email or not. Moreover, gateway server 30 modifies the time interval for retransmitting the email arrival notice to mobile station 10 according to the status of mobile station 10 when the transmission of the email arrival notice fails.
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Citations
22 Claims
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1. A method for ensuring delivery of an electronic message to a wireless mobile telephone that has at least an electronic message communication functionality and a voice communication functionality, comprising the steps of:
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(a) determining a reception status of the wireless mobile telephone before sending the electronic message to the wireless mobile telephone; (b) it is determined that the wireless mobile telephone is not reachable, executing step (a) at first time intervals that generally progressively widen as a number of consecutive negative determinations that the wireless mobile telephone is not reachable increases; (c) if it is determined that the wireless mobile telephone is not receptive to a message delivery, executing step (a) at second time intervals; and (d) if determined otherwise in steps (b) and (c), sending the electronic message to the wireless mobile telephone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A message delivery device that ensures delivery of an electronic message to a wireless mobile telephone that has at least an electronic message communication functionality and a voice communication functionality, comprising:
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a status inquirer that determines a reception status of the wireless mobile telephone before sending the electronic message to the wireless mobile telephone, wherein the determined reception status is any one of;
(a) the wireless mobile telephone is not reachable;
(b) the wireless mobile telephone is not receptive to a message delivery; and
(c) the wireless mobile telephone is neither in status (a) nor (b);a counter that counts a number of consecutive negative determinations by the status inquirer that the wireless mobile telephone is not reachable; a transmitter that sends the electronic message to the wireless mobile telephone if the status inquirer determines that the wireless mobile telephone is in status (c); and a status inquirer control that if the status inquirer determines that the wireless mobile telephone is in status (a), activates the status inquirer to determine the reception status of the wireless mobile telephone at first time intervals that generally progressively widen as a count by the counter increases, and if the status inquirer determines that the wireless mobile telephone is in status (b), activates the status inquirer at second time intervals. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification