Telecommunication Systems, Inc.

Lewis Tuttle

Dennis W Meyer

Phillip W Geil

Donghong Gao

A Short Message Serving System (SMSC) can be configured to determine a format of a short service message (SMS) message with a read acknowledgement request. The SMSC can also be configured to generate a Global System for Mobile Communication (GSM) multi-segment short message that includes user data from the SMS message and comprises a plurality of ordered segments. The GSM multi-segment short message can include a read acknowledgement request.

Multi-segment short message with a read acknowledgment request

Use of information-elements (IE) to enable global system for mobile communications (GSM) devices to support read acknowledgements for text messaging, e.g., short message service (SMS). A GSM device inserts a read acknowledgement request Information-Element (IE) into the body of an SMS message to request that a read acknowledgement be returned to the sending device upon opening. When a GSM recipient device opens an SMS message with a read acknowledgement request IE, the GSM recipient device creates a read acknowledgement SMS message by populating a read acknowledgement message indicator IE, inserting the read acknowledgement message IE into an SMS message, and forwarding the read acknowledgement SMS message to an originating GSM device. Read acknowledgement IEs have a message value that allows a mobile device to associate a read acknowledgement with a particular SMS message. A short message service center (SMSC) supports interoperability between GSM, CDMA, IP, MME, and SMPP read acknowledgements.

Read acknowledgement interoperability for text messaging and IP messaging

A prepaid messaging solution that utilizes a pre-delivery debit query to tariff a short message, coupled with an additional debit query performed once necessary billing information has been acquired. A short message is tariffed prior to message delivery via a pre-delivery debit query to a prepaid server. During message delivery, the prepaid server is queried a second time, following the HLR query performed by the Short Message Service Center (SMSC). This subsequent debit query bills a subscriber for any additional service fees discovered throughout message delivery, e.g., international/roaming fees, etc. If either the pre-delivery debit query or the subsequent debit query indicates that a subscriber has insufficient account balance to deliver a short message, the message is prevented from being delivered. If a message is dropped due to lack of account balance, any funds debited throughout the attempted message delivery may be credited back to the subscriber's prepaid account.

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Queenstown, MD, United States of America

Lewis Tuttle