Leveraging Wi-Fi Calling To Reduced Operator Costs and Improve the Customer Experience
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2 Leveraging Wi-Fi Calling To Reduced Operator Costs and Improve the Customer Experience Steve Northridge
3 3 Photo Source: Boston Public Library
4 Mobile Coverage Impacts Customer Experience 80% Mobile calls occur indoors 74% Willing to switch operators for better coverage at the home and office 61% IT decision maker indicate their business did not have reliable coverage Source: Study: Poor Cell Coverage at Work May Impact Wireless Churn Rates, Andrew Burger, January, 20, 2015, Telecompetitor.com 4
5 Bad Experiences Lead to Customer Churn Can you hear me now? 5
6 Mobile Operator Challenges 80% of dropped call issues originate in RAN; capacity and indoor coverage issues have a real customer impact A single dropped session can mean the difference between unhappy customers and churn Need to keep CapEx/Opex in line with revenue 6
7 Indoor Coverage Structures limit coverage Indoor mobile traffic is growing 20% faster than outdoor traffic 1 Modern building with reinforced concrete and high efficiency window limit indoor coverage Bad cell phone coverage in a hotel prevents 54% of adults from returning 2 Source: 1 Amdocs 2015 State of the RAN, January Wireless Technology Trends and Their Impact on the Hospitality Industry, August 5, 2014, HetNetForum returning 7
8 Adding Towers and Spectrum is an Expensive Solution Average cost to build a cell tower $150,000 1 Time to deployment impacted by community approvals United States FCC spectrum auction in January 2015 $45B 1 Cell Phone Tower Statistics, Statistic Brain Institute, March 17,
9 Wi-Fi is Cheap and is Everywhere $0 to $100 s Wi-Fi Access Points are cheap and free if leveraging customer access point 9
10 Didn t We Try Calling over Wi-Fi Before? What s New? UMA UMA Wi-Fi Calling Wi-Fi Calling Service Handset support Required RCS Device support required handovers Device 2G/3G <- -> Wi-Fi UMA Device UMA Architecture complex and expensive Handovers did not work and feature dropped LTE <- -> Wi-Fi Embedded VoLTE/VoWi-Fi client I-WLAN Leverages EPC and IMS Handovers work like LTE Macro Cell handover GAN Controller epdg, AAA 10
11 Device Support is the Stumbling Block Why Now? What s Changed? 11
12 Device Support is the Stumbling Block Why Now? What s Changed? 12
13 Game Changer Wi-Fi Calling ready For Mass Market 13
14 What is Wi-Fi Calling? Delivers MNOs voice & messaging over Wi-Fi Wi-Fi Calling lets you make calls and send texts over the internet With your mobile number Using the native dialer to make calls Call continuity between VoLTE and Wi-Fi Utilizing device capabilities rather than at application level resulting in significantly lower battery consumption 14
15 Wi-Fi Calling Solves Indoor Coverage Problem At a much lower cost Customer satisfaction: - Enhanced Indoor Coverage - Roaming as local call (charging) Cost savings: - Reduce costs to improve coverage - Re-use VoLTE IMS, only add epdg and AAA Cable or ISP - Voice as a multi-play option - Wi-Fi first 15
16 % of operators CSP s Views on Wi-Fi Calling % 9% 10% 5% 20% WiFi-first Reduce churn Reduce TCO Fill VoLTE gaps Improved indoor coverage % 16% 15% Attract enterprise users Add premium services Defence against OTT MNO MSO Percentage of MNOs and MSOs with plans to deploy WiFi Calling services Among MNOs planning to deploy WiFi Calling, the primary business driver to do so. Source: Rethink Technology Research survey of 62 MNOs August
17 % of operators CSP s Views on Wi-Fi Calling By % of MSOs and over 85% of MNOs plan to deploy Wi-Fi Calling 11% 9% 10% 5% 20% WiFi-first Reduce churn Reduce TCO Fill VoLTE gaps Improved indoor coverage % 16% 15% Attract enterprise users Add premium services Defence against OTT MNO MSO Percentage of MNOs and MSOs with plans to deploy WiFi Calling services Among MNOs planning to deploy WiFi Calling, the primary business driver to do so. Source: Rethink Technology Research survey of 62 MNOs August
18 % of operators CSP s Views on Wi-Fi Calling Addressing coverage issues is the number 1 reason for deploying Wi-Fi Calling % 9% 10% 5% 20% WiFi-first Reduce churn Reduce TCO Fill VoLTE gaps Improved indoor coverage % 16% 15% Attract enterprise users Add premium services Defence against OTT MNO MSO Percentage of MNOs and MSOs with plans to deploy WiFi Calling services Among MNOs planning to deploy WiFi Calling, the primary business driver to do so. Source: Rethink Technology Research survey of 62 MNOs August
19 % of operators CSP s Views on Wi-Fi Calling 100 Survey of 62 MNOs 5% Wi-Fi First may be much higher amoung MSOs % 9% 10% 5% 20% WiFi-first Reduce churn Reduce TCO Fill VoLTE gaps Improved indoor coverage % 16% 15% Attract enterprise users Add premium services Defence against OTT MNO MSO Percentage of MNOs and MSOs with plans to deploy WiFi Calling services Among MNOs planning to deploy WiFi Calling, the primary business driver to do so. Source: Rethink Technology Research survey of 62 MNOs August
20 Operators Are Recognizing Value Of Wi-Fi Calling GSMA Score Card May 31,
21 Wi-Fi Calling support in the EPC network and IMS.. The PGW is the anchor point, unlike SRVCC where the anchor point is the ATCF/ATGW LTE SGW PGW IMS Core VoLTE/VoWiFi Circuit Switched LTE RAN WiFi WiFi RAN epdg 3 IMS with support for VoWiFi and VoLTE, connecting to PSTN 1 Secure IPSec Tunnel going through ANY WiFi Network 2 epdg terminating IPSec and connecting with PGW via GTP tunnel 21
22 ..but Internet traffic routing is unaffected Wi-Fi Calling only acts on the IMS APN, the Internet APN remains unaffected LTE SGW PGW IMS Core VoLTE/VoWiFi Circuit Switched LTE RAN WiFi WiFi RAN Internet 2 Internet Traffic over ANY WiFi Network 3 Local Break-out at the WiFi Network 22
23 Wi-Fi Calling Does Not Require VoLTE or LTE Without VoLTE and LTE Address Indoor Coverage Issues Provide a mobile network experience with the native dialer and same mobile number With VoLTE & Without LTE Address Indoor Coverage Issues Provide a mobile network experience with the native dialer and same mobile number Introduce VoLTE services over Wi-Fi to create stickiness upon LTE roll out With VoLTE & LTE Address Indoor Coverage Issues Provide a mobile network experience with the native dialer and same mobile number Seamless handoff between LTE and Wi-Fi 23
24 Wait a Minute Expose the Mobile Core to Wi-Fi? Session Hacking Man-in-the- Middle Eavesdropping Unauthorized Access Denial of Service 24
25 Wi-Fi and Internet Network Threats Subscriber identity theft & interception Eavesdropping Unauthorized access & service theft DoS attacks Tunnel Internet/ IP network Mobile Core Wi-Fi and the Internet are not on-par with LTE networks (untrusted, unmanaged): Threats include: eavesdropping ( data in he clear), service theft, unauthorized access, DDOS, etc Access Points and end-point often in insecure locations and subject to hacking and tampering LTE/EPC is a controlled or managed environment, EPC nodes typically do not face these threats 25
26 Secure Access over Wi-Fi and Internet With Oracle Communications Mobile Security Gateway Authentication Authorization Secure Overload Protection DoS Protection Secure Tunnel Internet/ IP network Mobile Core Leverage Wi-Fi and internet access to provide secure 3GPP-level access to the network Authenticate and Authorize Users Protect against attacks and overload 26
27 Wi-Fi Calling epdg Oracle Communications Mobile Security Gateway: Stand-Alone epdg LTE LTE RAN SGW PGW IMS Core VoLTE/VoWiFi WiFi WiFi RAN epdg Stand-alone epdg deployment aligns with the Serving Gateway (SGW) / Packet Gateway (PGW) architectural model Better performance, scalability and deployment flexibility: a stand-alone epdg supports higher number of IPSec tunnels, local epdg selection while maintaining assigned PGW and scale as you grow. Flexibility to address new Wi-Fi Calling requirements Need for security: the epdg sits on the access edge and protects against attacks and threats 27
28 epdg Architecture Preferences 48% of surveyed MNOs intended to deploy a dedicated epdg 24% 28% 48% Dedicated Integrated with PGW Undecided MNO intentions to deploy dedicated or integrated epdg for WiFi Calling and IP services. Source: Rethink survey of MNOs evaluating IP plans for , September
29 Wi-Fi Calling Success in the Market Place with Oracle TU Go Brazil - Telco in Latam - Country in Telefonica Launched March 21, 2016 alongside TU Go Service 80K new subscribers between March 21 st and April 1 st A lot of repercussions in very important national and tech media, and also on social media 29
30 Oracle Communications Mobile Security Gateway (MSG) Providing Secure Access Over Untrusted Networks Mobile Core Data 3G LTE Internet Voice 3G VoIP VoLTE The delivery of voice and data services across non-3gpp networks Wi-Fi Calling Wi-Fi Offload Small Cells: Femtocells Wi-Fi Calling Wi-Fi Offload Small Cell 30
31 SeGW/ePDG A-SBC STP P-GW RADIUS Oracle Communications Wi-Fi Calling Related Components CLIENT AAA SWx (Diameter) CORE HSS Sh DNS Cx SIP/RTP IPSec SIP I/S-CSCF VoLTE TAS MAP Native Client ACCESS SECURITY SIP RTP MRFC MRF SIP MGCF MGW CAP ISUP PSTN SMS-C IN / SCP G-MSC 31
32 Wi-Fi Calling Summary Improve Indoor Voice Coverage Improve Customer Experience Decrease Churn Mitigate Marco RAN investments Introduce VoLTE Services Prior to LTE Roll-Out Leverage EPC and IMS investments Create stickiness for VoLTE when LTE Rolls Out Enable Service Innovation Video Calling, Wi-Fi First MVNO, Wireline Substitution Extend Service Out-of-Market over Wi-Fi Regain Mindshare with Customers 32
33 Safe Harbor Statement The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle s products remains at the sole discretion of Oracle. 33
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