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– strictly confidential, confidential, internal, public – 10/27/2014 1 
TELECOMS & WEBRTC: OPPOSITES ATTRACT?! 
SEBASTIAN SCHUMANN, SLOVAK TELEKOM 
27. October 2014. Berlin, Germany
SCOPE 
Telecoms & WebRTC: ‘Opposites attract’?! 
 Are Telecoms and WebRTC opposites? 
 The diversity of interpretation of WebRTC in Telecoms. 
 Why is WebRTC so attractive for operators? 
 How can operators be attractive for WebRTC developers? 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 2 
@s_schumann 
Feedback is welcome, get in touch during/after the event!
SLOVAK TELEKOM 
 Former fixed & mobile incumbent (merger in 2010), Zoznam, Posam, DIGI 
 Diverse service portfolio (fixed/mobile network and communications 
services, Internet access + content, data services, CPE, ICT services 
(data center + cloud), radio/TV broadcasting, call center services, …) 
The major shareholder is Deutsche Telekom AG. 
Successful deployments in SEE as well as in DT group: 
 One of the biggest national-wide deployment of NGN technology in 
Europe in 2004, whole city migrated to all-IP NGN in 2007 
 Fixed network IMS migration to be finished in 2014 
 Leader in IPTV, offering hybrid sat TV (s. 2009) & OTT app (s. 2012) 
 Extensive FTTx deployments (360k households) 
 First nation-wide 4G/LTE network (s. 2013) 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 3 
Slovak Telekom Group is the telecoms market leader in Slovakia
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 4
WHAT IS WEBRTC? 
 WebRTC is about enabling web developers access to audio/video input devices via JavaScript and abstracting 
the problem of real-time browser-to-browser communication 
 WebRTC is a technology, not a service. For operators, is also an invitation to “rethink your thinking” 
 When WebRTC is discussed within operator units, they are almost always discussed with legacy assumptions 
in mind 
 For many, “adding WebRTC” means adding voice/video to a service and have this service in the browser 
 Thinking due to Telecom’s business’ history: “communications” = “telephony” 
 It comes with less defined constraints than previous services (even VoLTE/RCS), operators sometimes forget that! 
 WebRTC is NOT (only/mainly) about “calling” from within the browser 
 Voice is no longer a stand-alone service or product, but becomes more and more an integral part of a service 
 Disruption not only technology wise, but also business model wise (value shift from pure connection to context) 
 The discussion about WebRTC & IMS should not be at the beginning, but the end of any consideration 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 5
ARE TELECOMS AND WEBRTC OPPOSITES? 
 What defines Telecoms in the context of today’s 
presentation? 
 Incumbent role in offering interoperable real-time 
communications to the general public 
 E2E standardized communications 
 Operator network interconnection 
 Communications services are paid for by the user 
 Value in connecting to others 
 Network evolution much more progressive than real-time 
voice/messaging evolution 
 How does the Web compare to that? 
 Evolution from content and E-mail to all sorts of 
synchronous and social communication 
 Technology advances are latest challengers of 
incumbent universal communications services 
 Flexible cross service/service provider interworking 
through well-defined API’s 
 Various monetization models, often free offering 
 Value in solving problems, gathering communities, 
making things fun, data analysis, etc. 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 6 
 Any answer can fit, depending on the context. The question needs to be looked at from different angles 
TELECOMS PARADIGM WEBRTC PARADIGM
NEW RULES ON A COMMON PLAYGROUND 
 In the past, integrated operator communications services were ‘a given’ 
 Smart phones nowadays used for everything but ‘telephony’, yet the service is still present 
 Connectivity was costly, which lead to the rise of alternative online service provider 
 International minutes affected initially, paved the way for working on experience 
 The “smart phone revolution” disrupted the operator business model even more 
 All of a sudden SMS faced with replacement option that had similar service characteristics 
 Service extensions and experience improvements continued 
 Basic apps minor increase in how we communicate remotely 
 WebRTC was released, the web revolution for RTC just started, and many things are entirely new 
 The efforts decreased, free technology and means that were expensive before 
 Technology introduced to operators by their long-time vendors, hard to ignore 
 And here we are in October 2014, trying to find out how this all new “thing” fits Telecoms 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 7 
T -11y 
T -7y 
T -3y 
T
TELECOMS BECAME QUICKLY “ATTRACTED” TO WEBRTC 
 All-IP enabled straight-forward backend access to services 
 Usually only delivered via non-IP front-end so far (i.e. legacy interface that has not evolved much) 
 “Traditional units” learn from it through legacy services upgrade 
 Mainly stimulated by vendors (i.e. “outside stimulation”), often not internal need that could not be satisfied before 
 “Nomadic access” introduced “natively” (e.g. VoLTE usually starts with VoWiFi) started to open mind, too 
 “Innovation units” embrace it themselves 
 Need for new revenue streams/business models arises 
 Use cases or prototypes can be developed so much faster than before 
 Much easier to show what WebRTC is at first hand 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 8
Create new services 
& partner 
CHANCES FOR OPERATORS 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 9 
Service Strategy 
Improve legacy services 
Evolution Innovation
EVOLUTION 
IMPROVE LEGACY SERVICES 
 It is an important area, since it still pays the bills for now 
 Modernization of current service portfolio has to be done 
 Legacy communications dealt with RTC, has just recently received a new polished infrastructure 
 “Adding” multiple new ways of accessing it is natural 
 Web gateway (utilizing WebRTC) as “IMS alternative access” is of course one use case 
 Should not be “WebRTC strategy”, but overhauling services – so far it is all about the technology 
 Service updates can include “modernized interfaces”, but need to go beyond 
 Adding “Web” to existing products means they are defined, and mostly limited 
 Integration where it makes sense is more important than a “pure web dialer” 
 Sample: “Real” triple play 
 The "front-end design/functions defines services now, the back-end is completely irrelevant 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 10 
WebRTC
INNOVATION 
CREATE NEW SERVICES 
 Operators need to adapt a lot of their thinking 
 We do not build a “WebRTC service”/“cloud service”; we need to build services that solve problems 
 Once the service is defined, the technologies can be chosen based on many criterions 
 It has to be elaborated per service how it should be exposed, delivered, and made accessible 
 Telephony: IMS/MMTel/VoLTE vs. lightweight open-source alternatives – almost exclusively SIP 
 Non-telephony: Own backend, libraries, protocol alternatives (XMPP, REST/JSON) 
 Final architecture is a case-by-case decision, not just use because it is there (efficiency, suitability) 
 For everything that is not telephony, alternatives most likely much more suitable 
 Less ubiquitous, but more targeted applications will replace general purpose communications 
 Flexible re-useable capabilities exposed through simple APIs are tremendously important 
 Standardized core technologies (HTML/CSS/JS, Objective-C, Java), but not services 
 Standardized interfaces (REST API with doc/SDK is enough) trumps complex E2E scenarios 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 11 
WebRTC
WHY IS WEBRTC SO ATTRACTIVE FOR OPERATORS? 
 It is attractive, because it is an opposite with so much potential 
 WebRTC can be one of the technologies to accelerate service development and decrease costs, if operators 
want to build services that are: 
 Access independent/network independent/location independent 
 Use a software front-end (app/web)  Completely new experience in how they deliver voice in the application 
 Opposite technology-wise: 
 Different architectures, no signaling, no federation*, no interoperability 
 Not just one box or service to deploy 
 Enabler and exposure more important than closed service features 
 Opposite culture-wise & approach-wise: 
 No committee standardization, no defined UNI/NNI – but is somehow still works  
 Trial and error seems to do well in-small, no big investments/projects yet 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 12
HOW CAN OPERATORS BE ATTRACTIVE AROUND WEBRTC? 
…NOT ONLY FOR DEVELOPERS, BUT AS GENERAL PARTNERS 
 Don’t assume “build it and they will come” – WebRTC is for developers and they do not need operators 
 At least not for real-time communications, that is one of the purposes of WebRTC 
 Direct business innovation potential most likely with selected verticals 
 Potential indirect business around WebRTC 
 Hosting of real-time communication applications 
 Local TURN server, demand for local low latency servers 
 SIP trunk for WebRTC applications that require break-in to legacy domain 
 Attractive and properly exposed assets may be used for technology partnerships 
 WebRTC and API exposure go hand in hand 
 Voice/SMS API, header enrichment, payment, identity, age verification etc. 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 13
PRACTICAL BACKUP 
WE ARE DOOGFOODING 
 Slovak Telekom has implemented a PoC not connected to legacy telephony, actively used by employees 
 A WebRTC gateway RfQ on IMS and show telephony would be easy, but doesn’t have much value yet 
 We developed a (simple but yet) contextual web application 
 Sent E-mails contain signature to web portal (address built using E-mail as identifier), contact employees 
 People can be contacted and also notified out-of-band using various channels, owner/guest not equal 
 No telephony dial-out: Faster, easy b/c no legacy boundaries such as billing, integration, approval 
 No complex account setup: Address confirmation using received hash/token for mapping 
 No one-size-fits-all: Many features consciously omitted (directory, collaboration, conferencing) 
 One application doing one thing well and which contains only those features required 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 14
SUMMARY 
 Telecoms & WebRTC: Attractive opposites! 
 To remain competitive, alternative approaches need to be embraced 
 Faster innovation, trial and error 
 Enable new business models with different cost models, new revenues! 
 “WebRTC” is not one box/platform. It is not just some front-end to the IMS. 
 Gateway/open-source/partnering/in-house development/vendor acc. your need 
 For legacy services its more important to improve the service than just “add WebRTC” 
 Focus on user’s needs & experience - technology driven services and features will not lead to success! 
 WebRTC can be part of many new solutions, an ingredient. It is not THE solution, or A solution, though! 
Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 15
THANK YOU. 
Sebastian Schumann 
Application & Platform Innovation | Slovak Telekom, a.s. 
 Sebastian.Schumann@telekom.sk 
@s_schumann 
 +421 903 419 345
ATTRIBUTION 
Relationship designed by gilbert bages from the Noun Project 
17

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Telecoms & WebRTC: Opposites attract?!

  • 1. – strictly confidential, confidential, internal, public – 10/27/2014 1 TELECOMS & WEBRTC: OPPOSITES ATTRACT?! SEBASTIAN SCHUMANN, SLOVAK TELEKOM 27. October 2014. Berlin, Germany
  • 2. SCOPE Telecoms & WebRTC: ‘Opposites attract’?!  Are Telecoms and WebRTC opposites?  The diversity of interpretation of WebRTC in Telecoms.  Why is WebRTC so attractive for operators?  How can operators be attractive for WebRTC developers? Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 2 @s_schumann Feedback is welcome, get in touch during/after the event!
  • 3. SLOVAK TELEKOM  Former fixed & mobile incumbent (merger in 2010), Zoznam, Posam, DIGI  Diverse service portfolio (fixed/mobile network and communications services, Internet access + content, data services, CPE, ICT services (data center + cloud), radio/TV broadcasting, call center services, …) The major shareholder is Deutsche Telekom AG. Successful deployments in SEE as well as in DT group:  One of the biggest national-wide deployment of NGN technology in Europe in 2004, whole city migrated to all-IP NGN in 2007  Fixed network IMS migration to be finished in 2014  Leader in IPTV, offering hybrid sat TV (s. 2009) & OTT app (s. 2012)  Extensive FTTx deployments (360k households)  First nation-wide 4G/LTE network (s. 2013) Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 3 Slovak Telekom Group is the telecoms market leader in Slovakia
  • 4. Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 4
  • 5. WHAT IS WEBRTC?  WebRTC is about enabling web developers access to audio/video input devices via JavaScript and abstracting the problem of real-time browser-to-browser communication  WebRTC is a technology, not a service. For operators, is also an invitation to “rethink your thinking”  When WebRTC is discussed within operator units, they are almost always discussed with legacy assumptions in mind  For many, “adding WebRTC” means adding voice/video to a service and have this service in the browser  Thinking due to Telecom’s business’ history: “communications” = “telephony”  It comes with less defined constraints than previous services (even VoLTE/RCS), operators sometimes forget that!  WebRTC is NOT (only/mainly) about “calling” from within the browser  Voice is no longer a stand-alone service or product, but becomes more and more an integral part of a service  Disruption not only technology wise, but also business model wise (value shift from pure connection to context)  The discussion about WebRTC & IMS should not be at the beginning, but the end of any consideration Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 5
  • 6. ARE TELECOMS AND WEBRTC OPPOSITES?  What defines Telecoms in the context of today’s presentation?  Incumbent role in offering interoperable real-time communications to the general public  E2E standardized communications  Operator network interconnection  Communications services are paid for by the user  Value in connecting to others  Network evolution much more progressive than real-time voice/messaging evolution  How does the Web compare to that?  Evolution from content and E-mail to all sorts of synchronous and social communication  Technology advances are latest challengers of incumbent universal communications services  Flexible cross service/service provider interworking through well-defined API’s  Various monetization models, often free offering  Value in solving problems, gathering communities, making things fun, data analysis, etc. Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 6  Any answer can fit, depending on the context. The question needs to be looked at from different angles TELECOMS PARADIGM WEBRTC PARADIGM
  • 7. NEW RULES ON A COMMON PLAYGROUND  In the past, integrated operator communications services were ‘a given’  Smart phones nowadays used for everything but ‘telephony’, yet the service is still present  Connectivity was costly, which lead to the rise of alternative online service provider  International minutes affected initially, paved the way for working on experience  The “smart phone revolution” disrupted the operator business model even more  All of a sudden SMS faced with replacement option that had similar service characteristics  Service extensions and experience improvements continued  Basic apps minor increase in how we communicate remotely  WebRTC was released, the web revolution for RTC just started, and many things are entirely new  The efforts decreased, free technology and means that were expensive before  Technology introduced to operators by their long-time vendors, hard to ignore  And here we are in October 2014, trying to find out how this all new “thing” fits Telecoms Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 7 T -11y T -7y T -3y T
  • 8. TELECOMS BECAME QUICKLY “ATTRACTED” TO WEBRTC  All-IP enabled straight-forward backend access to services  Usually only delivered via non-IP front-end so far (i.e. legacy interface that has not evolved much)  “Traditional units” learn from it through legacy services upgrade  Mainly stimulated by vendors (i.e. “outside stimulation”), often not internal need that could not be satisfied before  “Nomadic access” introduced “natively” (e.g. VoLTE usually starts with VoWiFi) started to open mind, too  “Innovation units” embrace it themselves  Need for new revenue streams/business models arises  Use cases or prototypes can be developed so much faster than before  Much easier to show what WebRTC is at first hand Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 8
  • 9. Create new services & partner CHANCES FOR OPERATORS Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 9 Service Strategy Improve legacy services Evolution Innovation
  • 10. EVOLUTION IMPROVE LEGACY SERVICES  It is an important area, since it still pays the bills for now  Modernization of current service portfolio has to be done  Legacy communications dealt with RTC, has just recently received a new polished infrastructure  “Adding” multiple new ways of accessing it is natural  Web gateway (utilizing WebRTC) as “IMS alternative access” is of course one use case  Should not be “WebRTC strategy”, but overhauling services – so far it is all about the technology  Service updates can include “modernized interfaces”, but need to go beyond  Adding “Web” to existing products means they are defined, and mostly limited  Integration where it makes sense is more important than a “pure web dialer”  Sample: “Real” triple play  The "front-end design/functions defines services now, the back-end is completely irrelevant Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 10 WebRTC
  • 11. INNOVATION CREATE NEW SERVICES  Operators need to adapt a lot of their thinking  We do not build a “WebRTC service”/“cloud service”; we need to build services that solve problems  Once the service is defined, the technologies can be chosen based on many criterions  It has to be elaborated per service how it should be exposed, delivered, and made accessible  Telephony: IMS/MMTel/VoLTE vs. lightweight open-source alternatives – almost exclusively SIP  Non-telephony: Own backend, libraries, protocol alternatives (XMPP, REST/JSON)  Final architecture is a case-by-case decision, not just use because it is there (efficiency, suitability)  For everything that is not telephony, alternatives most likely much more suitable  Less ubiquitous, but more targeted applications will replace general purpose communications  Flexible re-useable capabilities exposed through simple APIs are tremendously important  Standardized core technologies (HTML/CSS/JS, Objective-C, Java), but not services  Standardized interfaces (REST API with doc/SDK is enough) trumps complex E2E scenarios Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 11 WebRTC
  • 12. WHY IS WEBRTC SO ATTRACTIVE FOR OPERATORS?  It is attractive, because it is an opposite with so much potential  WebRTC can be one of the technologies to accelerate service development and decrease costs, if operators want to build services that are:  Access independent/network independent/location independent  Use a software front-end (app/web)  Completely new experience in how they deliver voice in the application  Opposite technology-wise:  Different architectures, no signaling, no federation*, no interoperability  Not just one box or service to deploy  Enabler and exposure more important than closed service features  Opposite culture-wise & approach-wise:  No committee standardization, no defined UNI/NNI – but is somehow still works   Trial and error seems to do well in-small, no big investments/projects yet Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 12
  • 13. HOW CAN OPERATORS BE ATTRACTIVE AROUND WEBRTC? …NOT ONLY FOR DEVELOPERS, BUT AS GENERAL PARTNERS  Don’t assume “build it and they will come” – WebRTC is for developers and they do not need operators  At least not for real-time communications, that is one of the purposes of WebRTC  Direct business innovation potential most likely with selected verticals  Potential indirect business around WebRTC  Hosting of real-time communication applications  Local TURN server, demand for local low latency servers  SIP trunk for WebRTC applications that require break-in to legacy domain  Attractive and properly exposed assets may be used for technology partnerships  WebRTC and API exposure go hand in hand  Voice/SMS API, header enrichment, payment, identity, age verification etc. Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 13
  • 14. PRACTICAL BACKUP WE ARE DOOGFOODING  Slovak Telekom has implemented a PoC not connected to legacy telephony, actively used by employees  A WebRTC gateway RfQ on IMS and show telephony would be easy, but doesn’t have much value yet  We developed a (simple but yet) contextual web application  Sent E-mails contain signature to web portal (address built using E-mail as identifier), contact employees  People can be contacted and also notified out-of-band using various channels, owner/guest not equal  No telephony dial-out: Faster, easy b/c no legacy boundaries such as billing, integration, approval  No complex account setup: Address confirmation using received hash/token for mapping  No one-size-fits-all: Many features consciously omitted (directory, collaboration, conferencing)  One application doing one thing well and which contains only those features required Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 14
  • 15. SUMMARY  Telecoms & WebRTC: Attractive opposites!  To remain competitive, alternative approaches need to be embraced  Faster innovation, trial and error  Enable new business models with different cost models, new revenues!  “WebRTC” is not one box/platform. It is not just some front-end to the IMS.  Gateway/open-source/partnering/in-house development/vendor acc. your need  For legacy services its more important to improve the service than just “add WebRTC”  Focus on user’s needs & experience - technology driven services and features will not lead to success!  WebRTC can be part of many new solutions, an ingredient. It is not THE solution, or A solution, though! Sebastian Schumann: “Telecoms & WebRTC: Opposites Attract?”, WebRTC Summit Europe October 2014, Berlin, Germany 15
  • 16. THANK YOU. Sebastian Schumann Application & Platform Innovation | Slovak Telekom, a.s.  Sebastian.Schumann@telekom.sk @s_schumann  +421 903 419 345
  • 17. ATTRIBUTION Relationship designed by gilbert bages from the Noun Project 17