The VoLTE (Voice over LTE) Ecosystem: 2015 - 2030 - Opportunities, Challenges, Strategies & Forecasts


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VoLTE (Voice over LTE) technology allows a voice call to be placed over an LTE network, enabling operators to reduce reliance on legacy circuit-switched networks. Powered by IMS (IP Multimedia Subsystem) architecture, VoLTE brings a host of benefits to mobile operators ranging from the ability to refarm legacy 2G and 3G spectrum to offering their subscribers a differentiated service experience through capabilities such as HD voice and video telephony.

 

First deployed by South Korean operators in 2012, VoLTE is beginning to gain momentum globally. As of Q3’2015, more than 20 operators have commercially launched VoLTE services and several roaming and interoperability agreements are already in place.

 

SNS Research estimates that VoLTE service revenue will grow at a CAGR of 36% between 2015 and 2020. By the end of 2020, VoLTE subscribers will account for nearly $120 Billion in revenue. Although traditional voice services will constitute a major proportion of this figure, over 12% of the revenue will be driven by video calling and supplementary services.

 

The “VoLTE (Voice over LTE) Ecosystem: 2015 – 2030 – Opportunities, Challenges, Strategies & Forecasts” report presents an in-depth assessment of the VoLTE ecosystem including enabling technologies, key market drivers, challenges, collaborative initiatives, regulatory landscape, standardization, opportunities,  operator case studies, future roadmap, value chain, ecosystem player profiles and strategies. The report also presents forecasts for VoLTE smartphone shipments, subscriptions, service revenue and infrastructure investments from 2015 till 2030. The forecasts cover 7 individual submarkets and 6 regions.

 

The report comes with an associated Excel datasheet suite covering quantitative data from all numeric forecasts presented in the report.

 

1 Chapter 1: Introduction 12

1.1 Executive Summary 12

1.2 Topics Covered 13

1.3 Historical Revenue & Forecast Segmentation 14

1.4 Key Questions Answered 15

1.5 Key Findings 16

1.6 Methodology 17

1.7 Target Audience 18

1.8 Companies & Organizations Mentioned 19

 

2 Chapter 2: An Overview of VoLTE 21

2.1 What is VoLTE? 21

2.2 Architectural Evolution of VoLTE 21

2.2.1 CSFB (Circuit-Switched Fallback): The First Step Towards VoLTE 21

2.2.2 The Push From CDMA Operators 22

2.2.3 Towards an IMS Based VoLTE Solution 23

2.2.4 SRVCC (Single Radio Voice Call Continuity) 24

2.2.5 Integrating Video Telephony 25

2.3 Key Enabling Technologies 25

2.3.1 VoLTE Infrastructure 25

2.3.1.1 IMS Core: CSCF, HSS, BGCF & MGCF 26

2.3.1.2 VoLTE Application Servers 27

2.3.1.3 SBC (Session Border Controller) 27

2.3.1.4 MRF (Media Resource Function) 27

2.3.1.5 PCRF (Policy and Charging Rules Function) 27

2.3.2 VoLTE Devices 28

2.3.3 Roaming & Interconnection Technology 29

2.3.3.1 LBO (Local Breakout) 29

2.3.3.2 S8HR (S8 Home Routing) 29

2.4 Market Growth Drivers 30

2.4.1 Spectral Efficiency & Cost Reduction 30

2.4.2 Enabling HD Voice, Video Calling & Rich IP Communications 30

2.4.3 Improved Battery Life 31

2.4.4 Integration with WiFi: Enhanced Indoor Voice Coverage 31

2.4.5 Bundling Voice with Other Services 31

2.4.6 Fighting the OTT Threat 32

2.5 Market Barriers 32

2.5.1 Initial Lack of Compatible Devices 32

2.5.2 Roaming & Interconnect Issues 33

2.5.3 Limited Revenue Potential 33

2.5.4 Service Assurance Challenges 33

 

3 Chapter 3: Collaboration, Standardization & Regulatory Landscape 35

3.1 3GPP (3rd Generation Partnership Project) 35

3.1.1 Release 8 35

3.1.2 Release 9 35

3.1.3 Release 10 36

3.1.4 Release 11 36

3.1.5 Release 12, 13 & Beyond 36

3.2 GSMA 37

3.2.1 Feature Requirements 37

3.2.1.1 IR.92: IMS Profile for Voice and SMS 37

3.2.1.2 IR.94: IMS Profile for Conversational Video Service 37

3.2.2 Roaming, Interworking & Other Guidelines 38

3.2.2.1 IR.64: IMS Service Centralization & Continuity Guidelines 38

3.2.2.2 IR.65: IMS Roaming & Interworking Guidelines 38

3.2.2.3 IR.88: LTE Roaming Guidelines 38

3.3 VoLTE Interworking Technology Consultation Group, Korea 39

 

4 Chapter 4: VoLTE Deployment Case Studies 40

4.1 AT&T Mobility 40

4.1.1 Service Launch Strategy 40

4.1.2 Vendor Selection 40

4.1.3 Future Prospects 40

4.2 China Mobile 41

4.2.1 Service Launch Strategy 41

4.2.2 Vendor Selection 41

4.2.3 Future Prospects 41

4.3 DT (Deutsche Telekom) 42

4.3.1 Service Launch Strategy 42

4.3.2 Vendor Selection 42

4.3.3 Future Prospects 42

4.4 KDDI 43

4.4.1 Service Launch Strategy 43

4.4.2 Vendor Selection 43

4.4.3 Future Prospects 43

4.5 KT Corporation 44

4.5.1 Service Launch Strategy 44

4.5.2 Vendor Selection 44

4.5.3 Future Prospects 44

4.6 LG Uplus 45

4.6.1 Service Launch Strategy 45

4.6.2 Vendor Selection 45

4.6.3 Future Prospects 45

4.7 NTT DoCoMo 46

4.7.1 Service Launch Strategy 46

4.7.2 Vendor Selection 46

4.7.3 Future Prospects 46

4.8 Rogers Communications 47

4.8.1 Service Launch Strategy 47

4.8.2 Vendor Selection 47

4.8.3 Future Prospects 47

4.9 Singtel 48

4.9.1 Service Launch Strategy 48

4.9.2 Vendor Selection 48

4.9.3 Future Prospects 48

4.10 SK Telecom 49

4.10.1 Service Launch Strategy 49

4.10.2 Vendor Selection 49

4.10.3 Future Prospects 49

4.11 SoftBank Mobile 50

4.11.1 Service Launch Strategy 50

4.11.2 Vendor Selection 50

4.11.3 Future Prospects 50

4.12 Swisscom 51

4.12.1 Service Launch Strategy 51

4.12.2 Vendor Selection 51

4.12.3 Future Prospects 51

4.13 Telefónica 52

4.13.1 Service Launch Strategy 52

4.13.2 Vendor Selection 52

4.13.3 Future Prospects 52

4.14 Verizon Wireless 53

4.14.1 Service Launch Strategy 53

4.14.2 Vendor Selection 53

4.14.3 Future Prospects 53

4.15 Vodafone Group 54

4.15.1 Service Launch Strategy 54

4.15.2 Vendor Selection 54

4.15.3 Future Prospects 54

 

5 Chapter 5: VoLTE Industry Roadmap & Value Chain 55

5.1 Industry Roadmap 55

5.1.1 2015 – 2020: Large Scale VoLTE Rollouts 55

5.1.2 2020 – 2025: Building New Services on VoLTE Architecture 56

5.1.3 2025 – 2030: Continued Investments with 5G Rollouts 56

5.2 Value Chain 57

5.2.1 Enabling Technology Providers 57

5.2.2 VoLTE & IMS Infrastructure Suppliers 58

5.2.3 VoLTE Device OEMs 58

5.2.4 Roaming, Billing & Supplementary Service Providers 58

5.2.5 Mobile Operators 58

5.2.6 Test, Measurement & Performance Specialists 59

 

6 Chapter 6: Key Market Players 60

6.1 Accedian Networks 60

6.2 Alcatel-Lucent 61

6.3 ALEPO 62

6.4 Altair Semiconductor 63

6.5 Amdocs 64

6.6 Apple 65

6.7 Aricent 66

6.8 Ascom 67

6.9 Asus (ASUSTeK Computer) 68

6.10 Avago Technologies 69

6.11 BICS 70

6.12 BroadSoft 71

6.13 BT Group 72

6.14 CellMining 73

6.15 CENX 74

6.16 Cirpack 75

6.17 Cisco Systems 76

6.18 D2 Technologies 77

6.19 Dialogic Corporation 78

6.20 DigitalRoute 79

6.21 Ecrio 80

6.22 Empirix 81

6.23 Ericsson 82

6.24 EXFO 83

6.25 F5 Networks 84

6.26 Fujitsu 85

6.27 GCT Semiconductor 86

6.28 GENBAND 87

6.29 Gigamon 88

6.30 Hitachi 89

6.31 HP (Hewlett-Packard Company) 90

6.32 HTC Corporation 91

6.33 Huawei 92

6.34 iBasis 93

6.35 Imagination Technologies 94

6.36 IMSWorkX 95

6.37 InfoVista 96

6.38 Intel Corporation 97

6.39 InterDigital 98

6.40 Iskratel 99

6.41 Italtel 100

6.42 Keysight Technologies 101

6.43 Lenovo 102

6.44 LG Electronics 103

6.45 Metaswitch Networks 104

6.46 Mitel Networks Corporation 105

6.47 Mobileum 106

6.48 NEC Corporation 107

6.49 NewNet Communication Technologies 108

6.50 Nokia Networks 109

6.51 OpenCloud 110

6.52 Openet 111

6.53 Oracle Corporation 112

6.54 Pantech 113

6.55 Qualcomm 114

6.56 Quortus 115

6.57 RADCOM 116

6.58 Radisys Corporation 117

6.59 Samsung Electronics 118

6.60 Sandvine 119

6.61 Sansay 120

6.62 Sequans Communications 121

6.63 Sharp Corporation 122

6.64 Sonus Networks 123

6.65 Sony Mobile Communications 124

6.66 Spirent Communications 125

6.67 SPIRIT DSP 126

6.68 Summit Tech 127

6.69 Syniverse 128

6.70 Taqua 129

6.71 Tektronix Communications 130

6.72 Viavi Solutions 131

6.73 VMware 132

6.74 ZTE 133

 

7 Chapter 7: Market Analysis & Forecasts 134

7.1 Global Outlook of VoLTE 134

7.2 VoLTE Subscriptions & Service Revenue 134

7.2.1 VoLTE Subscriptions 134

7.2.2 VoLTE Service Revenue 135

7.2.3 Segmentation by Application 135

7.2.4 Voice Telephony 136

7.2.5 Video & Supplementary Services 136

7.3 VoLTE Infrastructure 137

7.3.1 Segmentation by Submarket 137

7.3.2 CSCF Servers 138

7.3.3 SBCs 138

7.3.4 VoLTE Application Servers 139

7.3.5 Other IMS Elements (HSS, BGCF, MGCF & MRF) 139

7.3.6 VoLTE Capable PCRF Solutions 140

7.4 Segmentation by Region 141

7.4.1 Asia Pacific 142

7.4.2 Eastern Europe 144

7.4.3 Latin & Central America 145

7.4.4 Middle East & Africa 147

7.4.5 North America 148

7.4.6 Western Europe 150

 

8 Chapter 8: Conclusion & Strategic Recommendations 152

8.1 Why is the Market Poised to Grow? 152

8.2 Competitive Industry Landscape: Acquisitions, Alliances & Consolidation 152

8.3 Geographic Outlook: Which Countries Offer the Highest Growth Potential? 153

8.4 Monetization: Can VoLTE Drive Revenue Growth? 153

8.5 Operator Branded OTT Services: Implications for VoLTE 154

8.6 Virtualization: Moving VoLTE to the Cloud 155

8.7 WebRTC: Friend or Foe? 155

8.8 Status of RCS Adoption 156

8.9 Prospects of Roaming and Interconnected VoLTE Services 158

8.10 MCPTT over VoLTE: Enabling Public Safety Applications 158

8.11 Strategic Recommendations 159

8.11.1 VoLTE Solution Providers 159

8.11.2 Mobile Operators 160

 

Figure 1: The CSFB Mechanism for LTE 21

Figure 2: VoLTE via IMS 22

Figure 3: SRVCC Network Architecture 23

Figure 4: Video Telephony with VoLTE 24

Figure 5: Global VoLTE Capable Smartphone Shipments: 2015 – 2030 (Millions of Units) 27

Figure 6: VoLTE Industry Roadmap 54

Figure 7: VoLTE Value Chain 56

Figure 8: Global VoLTE Subscriptions: 2015 - 2030 (Millions) 133

Figure 9: Global VoLTE Service Revenue: 2015 - 2030 ($ Billion) 134

Figure 10: Global VoLTE Service Revenue by Application: 2015 - 2030 ($ Billion) 134

Figure 11: Global VoLTE Based Voice Telephony Service Revenue: 2015 - 2030 ($ Billion) 135

Figure 12: Global VoLTE Based Video & Supplementary Services Revenue: 2015 - 2030 ($ Billion) 135

Figure 13: Global VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 136

Figure 14: Global VoLTE Infrastructure Revenue by Submarket: 2015 - 2030 ($ Million) 136

Figure 15: Global CSCF Server Revenue: 2015 - 2030 ($ Million) 137

Figure 16: Global SBC Revenue: 2015 - 2030 ($ Million) 137

Figure 17: Global VoLTE Application Server Revenue: 2015 - 2030 ($ Million) 138

Figure 18: Global Other IMS Elements (HSS, BGCF, MGCF & MRF) Revenue: 2015 - 2030 ($ Million) 138

Figure 19: Global VoLTE Capable PCRF Solution Revenue: 2015 - 2030 ($ Million) 139

Figure 20: VoLTE Subscriptions by Region: 2015 - 2030 (Millions) 140

Figure 21: VoLTE Service Revenue by Region: 2015 - 2030 ($ Billion) 140

Figure 22: VoLTE Infrastructure Revenue by Region: 2015 - 2030 ($ Million) 141

Figure 23: Asia Pacific VoLTE Subscriptions: 2015 - 2030 (Millions) 141

Figure 24: Asia Pacific VoLTE Service Revenue: 2015 - 2030 ($ Billion) 142

Figure 25: Asia Pacific VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 142

Figure 26: Eastern Europe VoLTE Subscriptions: 2015 - 2030 (Millions) 143

Figure 27: Eastern Europe VoLTE Service Revenue: 2015 - 2030 ($ Billion) 143

Figure 28: Eastern Europe VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 144

Figure 29: Latin & Central America VoLTE Subscriptions: 2015 - 2030 (Millions) 144

Figure 30: Latin & Central America VoLTE Service Revenue: 2015 - 2030 ($ Billion) 145

Figure 31: Latin & Central America VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 145

Figure 32: Middle East & Africa VoLTE Subscriptions: 2015 - 2030 (Millions) 146

Figure 33: Middle East & Africa VoLTE Service Revenue: 2015 - 2030 ($ Billion) 146

Figure 34: Middle East & Africa VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 147

Figure 35: North America VoLTE Subscriptions: 2015 - 2030 (Millions) 147

Figure 36: North America VoLTE Service Revenue: 2015 - 2030 ($ Billion) 148

Figure 37: North America VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 148

Figure 38: Western Europe VoLTE Subscriptions: 2015 - 2030 (Millions) 149

Figure 39: Western Europe VoLTE Service Revenue: 2015 - 2030 ($ Billion) 149

Figure 40: Western Europe VoLTE Infrastructure Revenue: 2015 - 2030 ($ Million) 150

Figure 41: RCS Business Model 156