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How is CPM different from RCS (the G...Hi Christophe<br />How is CPM different from RCS (the GSMA initiative)?Paulhttps://www.blogger.com/profile/14239457793232681398noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-75110842202292118302010-10-13T18:47:12.256+02:002010-10-13T18:47:12.256+02:00I think, that you are not right. Write to me in PM...I think, that you are not right. Write to me in PM, we will talk.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-34882325546444904092009-03-23T16:31:00.000+01:002009-03-23T16:31:00.000+01:00This comment has been removed by the author.Jack Chryslerhttps://www.blogger.com/profile/04488315714383271924noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-23975465671873584812009-01-13T07:41:00.000+01:002009-01-13T07:41:00.000+01:00I'm just a visitor. But thanks for interesting pos...I'm just a visitor. <BR/>But thanks for interesting post. <BR/>Regarding session mobility, 3GPP has recently standardized session continuity including device transfer. <BR/>Initially it was discussed in TR23.893 Feasibility study in Multimedia Session Continuity. <BR/>And now device transfer issue is being standardized in TR 23.838. <BR/><BR/>Hope this is helpful.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-61824138166279655972008-12-15T18:07:00.000+01:002008-12-15T18:07:00.000+01:00Hi!After all these months, there is any update for...Hi!<BR/><BR/>After all these months, there is any update for the CPM specification status?Nightcrawlhttps://www.blogger.com/profile/08370930944227551390noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-90321322732840091092008-06-17T10:53:00.000+02:002008-06-17T10:53:00.000+02:00hi christophe,would you know of any readily availa...hi christophe,<BR/><BR/>would you know of any readily available technical specs of CPM? Something that describes page-mode and session-based instant messaging complete with Messaging flow (much like TS 24.228'S format).HelenTheGeekhttps://www.blogger.com/profile/12747054684448896365noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-18691376532865468492008-04-18T16:25:00.000+02:002008-04-18T16:25:00.000+02:00There is ongoing work in the IETF to address the i...There is ongoing work in the IETF to address the issue of session mobility for SIP.<BR/><BR/>I am not sure if there is a reference work at the moment, but I found this draft that seems to be evolving over time:<BR/>http://tools.ietf.org/html/draft-shacham-sipping-session-mobility-05<BR/><BR/>Yes, I would assume that a solution would be to have an IMS client supporting session mobility in the set top box.<BR/><BR/>ChristopheChristophe Gourraudhttps://www.blogger.com/profile/02470245318821694389noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-88663678245435551052008-04-18T15:08:00.000+02:002008-04-18T15:08:00.000+02:00Thanks for the reply Christophe..there are 2 more ...Thanks for the reply Christophe..there are 2 more points that caught my eye in this post..<BR/><BR/>1)"A user may have its CPM session shared between several of its devices on a media per media basis (e.g. video sharing on TV and voice on mobile)."<BR/><BR/>This is ok. A user may have a common IMPU shared by two IMPI's..one IMPI is being used for voice and the other for video.<BR/><BR/>2) "Session mobility between devices is also supported (e.g. ongoing session transferred from TV to mobile)"<BR/><BR/>This is AMAZING.This is something I have heard of..and I would definitely want to know more. How is one session transferred to the TV? By SIP REFER or something? Maybe the TV/Set-top-box also has an IMS client?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-29466981308241314892008-03-19T12:51:00.000+01:002008-03-19T12:51:00.000+01:00Hi Aayush,I intend to dedicate a post on standard ...Hi Aayush,<BR/><BR/>I intend to dedicate a post on standard service platforms like JSLEE and J2EE in the future.<BR/><BR/>I have a good opinion on JSLEE, but I would tend to favor J2EE in the long run and for service innovation.<BR/><BR/>At the moment, I would say that JSLEE and J2EE are quite complementary, and integrating the two together might be a great combo for some time.<BR/><BR/>JSLEE is more telecom and network protocol centric, while J2EE is better for logic that mixes SIP with web pages, or IMS and web services.<BR/><BR/>JSLEE is certainly better adapted at the moment for classical telecom services with classical telecom requirements.<BR/><BR/>The developers community is and is likely to remain much more limited for JAIN SLEE than for J2EE.<BR/><BR/>JSLEE can be used in the legacy telecommunications network (including circuit switched IN) while J2EE has difficulties to integrate with non-IP protocols.<BR/><BR/>JSLEE might therefore be an optimal choice for operators who want to deploy voice services that are applicable to both CS and IMS.<BR/><BR/>The combination of JSLEE with J2EE would permit to use J2EE for integration with the advanced Internet and IT world, while JSLEE would take care of classical, carrier grade components of IMS services. Moreover, JSLEE would permit to complement J2EE with access to legacy telecom enablers like circuit-switched voice, access to the HLR, to SMS or location. Finally JSLEE could be used as a generic platform for protocol conversion, like SIP <-> XMPP/Jabber or SIP <-> Microsoft SIP.<BR/><BR/>ChristopheChristophe Gourraudhttps://www.blogger.com/profile/02470245318821694389noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-29634192734703733032008-03-18T14:56:00.000+01:002008-03-18T14:56:00.000+01:00Hi Christophe,talking of IMS services in general, ...Hi Christophe,<BR/>talking of IMS services in general, our company is planning to deploy services on a standardized service delivery platform (JSLEE given in JSR 240). <BR/>I personally believe that such a platform will open great opportunities for deploying IMS SIP based services, as well as combining and chaining web based services with IMS apps to create a confluence of services. What do you think about JSLEE as a potential services plane for the IMS?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-25776790692096428762008-03-03T14:53:00.000+01:002008-03-03T14:53:00.000+01:00Hi Antoine,1)From the description in the press rel...Hi Antoine,<BR/><BR/>1)<BR/><BR/>From the description in the press release, the Rich Communication Suite looks like the packaging of pre-CPM 3GPP and OMA services.<BR/><BR/>The "Enhanced Phonebook" is the enrichment of the phone book with presence information. The CPM converged address book will certainly be the same thing, or an extension of it.<BR/><BR/>Enhanced Messaging is likely to be OMA SIMPLE IM (that I called "IMS Messaging" - the 3GPP term - in my post). It is based on both SIP MESSAGE and SIP session based messaging and supports three types of IM:<BR/>- Pager Mode IM (short text messages based on SIP MESSAGE)<BR/>- Large Message Mode IM (pager message with attachments implemented through SIP session based messaging)<BR/>- IM sessions/chats between two or more parties<BR/><BR/>This could also include what has been standardized by 3GPP as "SMS over generic IP access". This includes two things:<BR/>- The support of SMS over IP through the encapsulation of the SMS in the body of a SIP MESSAGE<BR/>- Service-level interworking between Pager Mode Messaging and SMS<BR/><BR/>CPM will include all of this.<BR/><BR/>Finally, enriched call has been standardized in 3GPP as "combining circuit switched and IMS services". It permits to combine a voice call performed over the CS network with additional content exchanged through the IMS. It also permits the interworking between a full IMS client (supporting both voice and the enrichment through IMS) and a client supporting voice over CS and enrichment over IMS.<BR/><BR/>Therefore, in summary, the Rich Communication Suite is a packaging of what can be done before CPM is there. CPM largely builds on these blocks, consolidates them, and extends them towards a real multimedia experience. RCS is still an addition of silo communication services (enhanced messaging and enriched voice), while CPM removes the silos and integrates everything together.<BR/><BR/>2)<BR/><BR/>CPM clearly integrates with and reuses presence and RLS.<BR/><BR/>On the other hand, CPM is a functional superset of OMA SIMPLE IM.<BR/><BR/>There are therefore two possibilities:<BR/>- The operator deploys an OMA SIMPLE IM solution that can evolve and be part of CPM. This is perfect.<BR/>- The operator deploys an ill-architectured OMA SIMPLE IM solution that cannot easily evolve into CPM. Migration might be more costly.<BR/><BR/>This is what I tried to explain at the end of my post.<BR/><BR/>ChristopheChristophe Gourraudhttps://www.blogger.com/profile/02470245318821694389noreply@blogger.comtag:blogger.com,1999:blog-4706138697725258507.post-29926520213916380162008-02-20T21:03:00.000+01:002008-02-20T21:03:00.000+01:00Hello Christophe,Thanks for your blog first, even ...Hello Christophe,<BR/><BR/>Thanks for your blog first, even if I had the occasion to write you this. I have two questions for you :<BR/>1/ How is CPM related to what has been annonced by Ericsson (MCS) or by Orange, Telefonica et al. (the Rich Communication Services initiative) ? These different actors announced something really similar to what you described as the promises of CPM (converged address book...).<BR/>2/ What will it bring beyond the functionnalities of different ASes (IM, Presence, RLS) and related XDMSes ? <BR/>I would really like to get your views on that.Unknownhttps://www.blogger.com/profile/17725226409769569958noreply@blogger.com