Subject: [Megaco] Question on H.248.9, 2005 draft.

From: "Nick Cawdery" <[email-masked]>
Date: Tue, 18 Oct 2005 11:08:50 +0100

I have a question about following section (9.3.1.1.19) in the latest draft version of H.248.9 (dated "??/2005").

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This parameter indicates the digit used to signal the end of input.

When the Maximum Number of Digits equals the Minimum Number of Digits, the End Input Key (could be present but) has no meaning. This parameter can be one or two digits. When the Maximum Number of Digits is greater than the Minimum Number of Digits the following applies:

	If the End Input Key is not present, the end of input is indicated:
	-	when the inter-digit timer expires; or
	-	when the number of valid digits received equals the Maximum Number of Digits.
	If the End Input Key is present, the end of input is indicated:
 	-	when the inter-digit timer expires; or
 	-	when the end input digit is received; or
	-	when the number of valid digits received equals the Maximum Number of Digits.
If the inter digit timer expires or the End Input Key is received and the number of valid digits received is less than the Minimum Number of Digits, the input is specified as being erroneous.
	This parameter corresponds to the INAP parameter 'endOfReplyDigit'.
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This section refers to a "Minimum Number of Digits" and "Maximum Number of Digits".  These are not mentioned anywhere else in the document, so we assume that the inclusion of this entire section is an editorial error.  Is this the case?  

[These fields are referenced in texts describing the INAP parameter 'endOfReplyDigit' (which EndInputKey "corresponds to")  - http://www.itu.int/ITU-T/asn1/database/itu-t/q/q1248.3/2001/IN-SCF-SRF-datatypes.html.]

Thanks in advance for your help. 

Nick

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