H.320 gateways a MEGACO / ITU

Ami Amir amir at RADVISION.RAD.CO.IL
Thu Apr 1 06:03:29 EST 1999


By transcoding I meant that specific information fields which contain
identical information but are encoded differently need to be translated
from one format to another.


-----Original Message-----
From:   Melinda Shore [SMTP:shore at ITHACA-VIENNASYS.COM]
Sent:   Wednesday, March 31, 1999 5:35 PM
To:     ITU-SG16 at mailbag.cps.intel.com
Subject:        Re: H.320 gateways a MEGACO / ITU

There's another problem - the use of PER combined with protocol-
embedded addresses greatly complicates operation through firewalls.
Not that I'm a fan of text-based protocols - I absolutely am not.
But PER-encoded signaling streams could force the use of firewall
proxies, which has unfortunate performance implications.

I'm not certain that I understand the point about transcoding -
it's going to have to take place, anyway, whether the megaco protocol
is text-based or not.

At 11:14 AM 3/31/99 +0200, Ami Amir wrote:
>There are many who feel that ASN.1 is too heavy and complex for simple
>devices, and should be avoided. This was one of the major reasons for the
>emergence of SIP.

Melinda Shore
Member of the Scientific Staff
Nokia IP Telephony
127 West State Street
Ithaca, New York  14850
+1 607 273 0724 x81 (office)
+1 607 275 3610 (fax)
+1 607 280 0010 (mobile)
shore at ithaca-viennasys.com

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