Browse Prior Art Database

SHORT MESSAGE SERVICE CENTER PEER TO PEER COMMUNICATION

IP.com Disclosure Number: IPCOM000008797D
Original Publication Date: 1998-Sep-01
Included in the Prior Art Database: 2002-Jul-15
Document File: 1 page(s) / 59K

Publishing Venue

Motorola

Related People

Sikendar Fidai: AUTHOR

Abstract

1. In iDEN, GSM, CDMA, NAMPS currently, short messages for subscribers must be sub- mitted in the Short Message Service Center (SMSC) on which the subscribers are provi- sioned.

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m MO-LA Technical Developments

SHORT MESSAGE SERVICE CENTER PEER TO PEER COMMUNICATION

by Sikendar Fidai

BACKGROUND

1. In iDEN, GSM, CDMA, NAMPS currently, short messages for subscribers must be sub- mitted in the Short Message Service Center (SMSC) on which the subscribers are provi- sioned.

2. In iDEN, GSM, CDMA, NAMPS currently, If the SS7 link between the SMSC and Mobile Switching Center (MSC) or SS7 link between SMSC and Home Location Register (HLR) goes down then the subscribers provisioned on that SMSC can not receive their short messages. INVENTION

1. Short messages for any subscriber can be sub- mitted to any SMSC on the network.

  When the SMSC receives a short message it will first go through a table that will match area code with various SMSCs in the network. If the SMSC determines that the incoming short message is for a subscriber that is not in its database it will forward the short message to the appropriate SMSC.

The sequence of events will be as follows:

2. Messages will be delivered to any subscribers even when the SS7 link between the SMSC and HLR, or SMSC and MSC goes out of service.

  If the 'home' SMSC determines a link outage:, it will forward the message to another SMSC and request it to deliver the message.

The sequence of events will be as follows:

The SMSC has accepted the message for a sub- scriber that is in its database.

The SMSC attempts to contact HLR (via SS7) for routing information and determines that the link is down.

Or the SMSC...