Browse Prior Art Database

TWO STAGES DIALING IN A DIGITAL RADIO NElWORK

IP.com Disclosure Number: IPCOM000007909D
Original Publication Date: 1996-Nov-01
Included in the Prior Art Database: 2002-May-03
Document File: 2 page(s) / 71K

Publishing Venue

Motorola

Related People

Ed Benyukhis: AUTHOR [+3]

Abstract

In digital cellular systems such as iDEN, USDC, CDMA, GSM and JDC, PSTN modems can not be connected directly to the MS due to voice compres- sion in the network.

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8 MolylRoLA Technical Developments

TWO STAGES DIALING IN A DIGITAL RADIO NElWORK

by Ed Benyukhis, Barry Chan and Rod Averbuch

PROBLEM DESCRIPTION: sion in the network.

  In digital cellular systems such as iDEN, USDC, Therefore, a gateway (IWP) is implemented to CDMA, GSM and JDC, PSTN modems can not be gateway between the PSTN audio modems and the connected directly to the MS due to voice compres- digital network.

IWF

800

server

I

  A credit card calling is a popular service that In iDEN the MSC is able to perhorm only one enables you to call a remote PSTN destination stage calling using the number from the mobile through an 800 server. The server will ask you for
the credit card number and will rout you back to

DTAP message. Therefore, credit card calling is not currently available in this network.


the network. Your credit card will be charged for
the call.

0 Motorola. 1°C. 1996 I31 November 1996

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m -LA Technical Developments

SOLUTION:

E (

blsG JY!!E

* parse the first number 1800.. mx~~z..~.,aw '~~DTAf'~=we~th

the fin% number and DM bit on . Establish data connection

+>+ after traffic connectlon ccs >>> after traffic connection CC<

0 send the rest of the number with modifier using in band message (traffic)

* provide the modem with the rest of
the dial strlna
* modem peiorms second stage dialing

. Dial the server number
. Data modiiier indication to IWF

- send ATD;

The terminal sends an ATD comman...