Black Box MD1640A, MD1641A manual ITU V.25bis Country Specific Information, Italy

APPENDIX G: V.25bis Operation

ITU V.25bis Country Specific Information

Due to the flexibility of the V.25bis standard, each country may establish specific regulations governing the way operations are handled. Here are details about how each country's specific regulations can affect the operation of V.25bis in modems that the Series II Modem might communicate with. (This information is provided for your reference only; the Series II Modems are not approved for operation outside the U.S. and Canada.)

1.Italy

a)Command/Indication modifications

1.Phone number indications include status ;ZPSTTT a)Z - U, D, or F, for Unrestricted, Delayed or Forbidden b)P - Delay time if delayed

c)S - Number of retries so far

d)TTT - Interdiction time to further attempts b)Delayed and Forbidden list behavior

1.5 retries without delay

2.2 minute delay between next 4 retries

3.After 9 retries the number is put on the forbidden list

4.120 minute timer is started on entry to delay list

5.When it runs out, the number is removed from which ever list it is on

c)Auto-Answer mode behavior

1.Auto-Answer in 5 seconds if no DIC

2.Get 10 seconds after DIC to enter CIC

3.If 10 seconds times out then no connection is possible

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