[OpenSER-Users] uaCSTA support in openser

Hugo Koblmueller hugo at koblmueller.com
Fri Apr 18 09:53:35 CEST 2008


oops, sorry about that, i didn't mean to. :(

i'm speaking about the integration of asterisk with microsoft's offics
communication server (OCS) 2007, which itself speaks the CSTA (computer
supported telecommunications application) standard (phase III) to
communication internally to it's components (like the office communicator
2007, which is the an IM softphone application, or to the OCS mediation
server, which is a kind of SIP/CSTA gateway to the outside world).

for the computer telephony integration (CTI) of the OCS it is mandatory to
speak this CSTA language. This language was standardized by the ECMA, the
european computer manufacturers association, for implementing computer
supported telecom applications via XML (also EMCA-323 -
http://www.ecma-international.org/publications/standards/Ecma-323.htm).
now the uaCSTA (user agent CSTA) is kind of a subset of the CSTA XML
language, which is mainly used for observing and controlling voice and
non-voice media calls, and is defined in EMCA TR/87
(http://www.ecma-international.org/publications/techreports/E-TR-087.htm).

as CSTA XML only specifies only the XML protocol itself, uaCSTA is
implementing this XML protocol via SIP messages, using only the two SIP
message types INVITE and INFO. the XML payload itself is transported in the
SIP message body.

so now what i'm looking for is a module (or a perl script) which understands
uaCSTA (aka. CSTA XML over SIP) or at least the subset the OCS is using and
can translate it into standard SIP messages and vice versa, as this is
needed to implement the CTI integration for OCS 2007.

hope this clarifies my intention...
cheers
-hugo
 

-----Original Message-----
From: Juha Heinanen [mailto:jh at tutpro.com] 
Sent: Friday, April 18, 2008 9:10 AM
To: Hugo Koblmueller
Cc: users at lists.openser.org
Subject: [OpenSER-Users] uaCSTA support in openser

Hugo Koblmueller writes:

 > i'm wondering if there is any support of uaCSTA in openser (planned)?

huh, your email was full of acronyms i have never heard.

-- juha





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