Hmm, I had been unsure of taking this given that I had taken the Advanced Presence techtorial and expected significant overlap. It did have some overlap, but there was enough new content to make it worthwhile.
Toby Neumann from the advanced presence techtorial gave the session and after some disclaimers regarding other companies products went through the Microsoft and Cisco (ie OCS vs CUPS) solutions to the same problem. He compared the use of SIP Proxy (ie OCS) vs Back to Back User Agent (B2BUA), and how B2BUA is a more feature-rich solution, due to the fact that SIP Proxy is not allowed to manipulate the media.
There was also a discussion of the MOC to MOC unimpaired network one-way delay – circa 140msec of codec delay – vs the ITU specification which specifies 150 msec as a maximum for good call quality. It was pointed out that the CUCIMOC client is about 100msec. All this is due to the software nature of the codec processing which cant really be compared to the dedicated DSPs provided in phones where the codec delay is significantly less.
The use of Remote Call Control was discussed, and how Microsoft is dropping support from OCS in future releases. There were detailed discussions on other integration methods.
The various client integrations – click-to-call using client services framework, and CUCIMOC 7 & 8 – were detailed. Client Services framework seems to have a big part in Cisco’s future of integration with desktop services.
Toby left us with the thoughts that the choice of what and how to integrate is up to yourself!
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