NTG Wifi-Calling Client
Content
• Wifi-Calling Service
• Why Wifi-Calling
• Challenges for Wifi-Calling
• NTG VoWifi Client
Wifi-Calling Services
• Wifi-Calling (VoWifi) is an operator-provided service that makes it possible for
consumers to make regular phone calls and text messages from their SIM-based
mobile phone number, even if they have poor cellular coverage, by utilizing a WiFi network.
• Wifi-Calling Standardization support Seamless handover for VoLTE calls between
LTE and Wi-Fi and vice versa. Conversational video is also possible via Wi-Fi
“ViLTE”.
• Wifi-Calling offers the consumers seamless experience, they are reachable on
their normal numbers and can place call using their native dialer and phone book.
• Wifi-Calling utilizes IMS core to provide a packet voice service over Wifi coverage.
Why Wifi-Calling
Benefits for Consumers
Coverage
 Globally 70% of consumer are not satisfied with the indoor Voice quality, reliability & coverage.
 Wifi Calling offers better indoor coverage.
 Smartphone users send texts and make voice call indoor as twice than outdoor.
Offered Services
 Make benefit from VoLTE/IMS enriched services.
 Place calls from all device even non-SIM based.
 Use native clients with seamless experience compared to OTT Apps.
Cost
 Consumer can use Wifi-Calling while travelling with cheaper rates.
 MNO may offer cheaper for calls placed over consumer home wifi.
Why WiFi Calling?
Figure 1: Satisfaction with the indoor experience
Why WiFi Calling?
Figure 2: Why users find Wi-Fi calling appealing
Why Wifi-Calling
Benefits for Operators
User Loyalty
 Better Coverage.
 Enriched services.
Network
performance
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Better indoor coverage
Capacity offloading.
Make use of IMS based services over wifi.
Complementary service for VoLTE
New revenue
Streams
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Roaming service over un-trusted Wifi
Competing with OTTs through standard native services.
Technology leadership
Cost effective solution compared to small cells.
Market Updates
- More than 30 operators launched Wifi-Calling
and many other are deploying.
- Cisco forecast that Wifi minutes will dominate
the IP Voice services by 2018.
Figure 3: Mobile IP Voice Minutes of Use—VoWiFi, VoLTE, and VoIP
(Cisco)
Wifi Calling Challenges
- service uptake and adoption is among challenges
for VoWifi service Business Case the.
- Terminals availability should be resolved to
secure higher customer base.
- Currently iOS8 and higher versions supports
Wifi-Calling on iphone5C and higher.
- On the Android front, only high end
smartphones support the service through
customizations.
- NTG Wifi-Calling Client help operators to serve
all their Android users.
Figure 4: Percentage of existing Wi-Fi calling users facing issues
NTG Wifi-Calling Client
How Does it works:
NTG Wifi Calling Client work for all Android devices, accelerating
the service uptake.
NTG Wifi Calling Client provides a seamless Voice & SMS user
experience over Wifi networks.
Unlike over the top (OTT), the client maintains 3G networks
Supplementary, enhanced & regulatory services, with single
number
•
An integrated client detects proper Wi-fi signals,
and route all Telephony service over Wifi/IMS
network.
•
Using subscriber credentials for secure
registration & Authentication.
•
Uses native phone dialer, phonebook &
messaging.
•
Work over any Wi-fi AP (untrusted + trusted).
•
Support SIM/Non-SIM devices.
•
Complementary to VoLTE, Supports SRVCC.
NTG Wifi-Calling Client
Reference:
- Etisalat Misr Wifi-Calling Client for Android
smartphones in Jul-16.
- Successful PoC covering all basic features.
- Awarded the contract for delivery and
support Commercial client.
- Interwork with E/// IMS & ePDG.
- Uses EAP-TLS for user Authentication with
ePDG/AAA
Wi-Fi Calling architecture
NTG Wifi-Calling Client: Sample Screens with Different Themes
NTG Wifi-Calling Client: Sample Screens with Different Themes
Thanks