Zipdial Mobile Solutions Pvt. Ltd

Twitter, Inc.

Ketera Technologies, Inc.

Sanjay Swamy

Valerie Rozycki Wagoner

Amiya Pathak

Amit Sharma

Pravin Kumar

An aspect of the present invention enables users to avail specialized services using missed calls. In one embodiment, a missed call server on receiving an indication that a missed call has been placed by a user to a phone number, determines the specialized service corresponding to the phone number, and then sends a data to the service provider offering the determined service. The service provider then delivers the specialized service (sought to be availed) to the user. One of the specialized services is the delivery of content to the user. Thus, a user is enabled to access different contents by placing missed calls to the appropriate phone numbers.

Delivering specialized services to users of phones

An aspect of the present invention facilitates formation of groups using missed calls. In an embodiment, upon receipt of a first missed call to a pre-specified number from a first user, a missed call server allocates a first phone number to a new group. Upon receiving missed calls to such allocated number, the corresponding callers (i.e., the phone numbers of the callers) are added to the group. According to another aspect of the present invention, different phone numbers are allocated for different groups, and the members are added in each group, in response to missed calls to the corresponding numbers. Additional management tasks such as provide group owner the ability to approve/reject the addition/removal requests, formation of sub-groups, etc., are also facilitated based on missed calls.

Managing groups using telephones

A procurement system permits routine purchases through approved vendors in a catalog as well as off-catalog purchases via the web, the latter using a web access program that captures product information from the web to invoke the approval process normally used for catalog purchases.

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Bengaluru, India

Sanjay Swamy