Krishna, I would suggest using the latest references. I am not aware of any incompatibilities between the two, but it is generally better to always refer to the latest docs.
Paul ----- Original Message ----- From: "Bujji Krishna R B" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Saturday, October 04, 2003 9:00 AM Subject: [h323forum] ASN.1 Version in T.38 > > Hello, > I have a query regarding the ASN.1 Version specified in H.323 > Version 3 standard and T.38 standard. > > H.225 version 3 and H.245 version 5 specifies the following ASN.1 > Versions: > > ITU-T Recommendation X.680 (1994): Information Technology - Abstract > Syntax Notation One (ASN.1) - Specification of basic notation. > ITU-T Recommendation X.691 (1996): Information Technology - ASN.1 > Encoding Rules - Specification of Packed Encoding Rules (PER). > > ITU-T T.38 Recommendation specifies the following version of ASN.1 > ------------------------------------------------------------------- > ITU-T Recommendation X.680 (1997), Information technology - Abstract > Syntax Notation One (ASN.1): Specification of basic notation. > > ITU-T Recommendation X.691 (1997), Information technology - ASN.1 > encoding rules - Specification of Packet Encoding Rules (PER). > ------------------------------------------------------------------------ > ----------- > > I would like to know which version of ASN.1 to be followed. Could some > one explain the differences in these versions. Would there be any > problems if ASN.1 X.680 (1994) and X.691 (1996) is used in T.38 > Encoding/Decoding. > > Also, T38Modem README specifies the following > "Cisco Users: You additionally need to use --old-asn and > --h245tunneldisable options." > Are these options used to overcome the ASN.1 Version Differences. > > > Thanks > Krishna > > **************************Disclaimer************************************ > > Information contained in this E-MAIL being proprietary to Wipro Limited is > 'privileged' and 'confidential' and intended for use only by the individual > or entity to which it is addressed. You are notified that any use, copying > or dissemination of the information contained in the E-MAIL in any manner > whatsoever is strictly prohibited. > > *************************************************************************** > > --- > You are currently subscribed to h323forum as: [EMAIL PROTECTED] > To unsubscribe send a blank email to [EMAIL PROTECTED] >
