Method for providing information on the reconnectability of a subscriber in a mobile radiotelephone network, disconnected from another subscriber during a telephone call

• US 20040266432A1
• Filed: 03/26/2004
• Published: 12/30/2004
• Est. Priority Date: 09/28/2001
• Status: Abandoned Application

• Current Assignee: Siemens AG
• Original Assignee: Siemens AG
• Inventors: Zwach, Michael
• Application Number:
  US10/490,982
• Publication Number:
  US 20040266432A1
• Time in Patent Office: Days
• US Class Current: 455/435.1
• CPC Class Codes: H04W 76/19 Connection re-establishment

Abstract

The invention relates to a method for providing information to a first subscriber, in a mobile radiotelephone network, on the reentry of a second subscriber in the transmission/reception area of said mobile radiotelephone network, disconnected after leaving the transmission/reception area of the mobile radiotelephone network during a telephone call between both subscribers, whereby said mobile radiotelephone network transmits a message to the first subscriber, when the second subscriber is again reachable.

Claims

1. Method for notifying a first subscriber (TE1) in a mobile network (FUN) about the reentry into said mobile network'"'"'s (FUN) reception/transmission area (BER) of a second subscriber (TE2) disconnected owing to having left said mobile network'"'"'s (FUN) transmission/reception area (BER) while a call was in progress between both subscribers (TE1, TE2), with each subscriber (TE1, TE2) being assigned a mobile radio device (MO1, MO2) each having at least one telephone number (RU1, RU2) in said mobile network (FUN) characterized in that the telephone number (RU1) of the first subscriber'"'"'s (TE1) mobile radio device (MO1) is stored by the mobile network (FUN) when the second subscriber'"'"'s (TE2) mobile radio device (MO2) leaves the mobile network'"'"'s (FUN) transmission/reception area (BER) and is used to convey a message (NAR) concerning the reentry of the second subscriber'"'"'s (TE2) mobile radio device (MO2) into said mobile network (FUN) to the first subscriber'"'"'s (TE1) mobile radio device (MO1) when the second subscriber'"'"'s (TE2) mobile radio device (MO2) reenters said mobile network'"'"'s (FUN) transmission/reception area (BER).

2. Method according to claim 1 characterized in that the telephone number (RU1) of the first subscriber'"'"'s (TE1) mobile radio device (MO1) is stored in a subscriber administration facility (ZTV) of the mobile network (FUN).

3. Method according to claim 1 or 2 characterized in that the mobile network is a GSM network.

4. Method according to claim 1 or 2 characterized in that the mobile network is a UMTS network.

5. Method according to claim 3 or 4 characterized in that the subscriber administration facility is a Home Location Registry.

6. Telecommunication system (SYS) with a mobile network (FUN) and at least two mobile radio devices (MO1, MO2) to each of which at least one telephone number (RU1, RU2) is assigned in said mobile network (FUN) characterized in that said telecommunication system (SYS) has been set up for storing the first mobile radio device'"'"'s (MO1) telephone number (RU1) when a second mobile radio device (MO2) leaves the mobile network'"'"'s (FUN) transmission/reception area (BER) while a call is in progress with a first mobile radio device (MO1), and for conveying a message (NAR) concerning the reentry of said second mobile radio device (MO2) into said mobile network (FUN) to the first mobile radio device (MO1) when the second mobile radio device (MO2) reenters said mobile network'"'"'s (FUN) transmission/reception area (BER).

7. Telecommunication system according to claim 6 characterized in that a subscriber administration facility (ZTV) is provided for the mobile network (FUN), said facility having been set up for storing the first mobile radio device'"'"'s (MO1) telephone number (RU1).

8. Telecommunication system according to claim 6 or 7 characterized in that the mobile network is a GSM network.

9. Telecommunication system according to claim 6 or 7 characterized in that the mobile network is a UMTS network.

10. Telecommunication system according to claim 8 or 9 characterized in that the subscriber administration facility (ZTV) is a Home Location Registry.