Download - Making VoLTE Interconnect Work
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Making VoLTE Interconnect Work
Ken Hammer
VP Next Generation Solutions
#VoLTE
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VoLTE is on the Rise
Source: GSMA
300 VoLTE-
capable devices
480 operators have
commercially launched LTE
networks with 550 forecasted by end 2016.
46 operators in
29 countries commercially
launched VoLTE-HD
118 operators
in 56 countries
investing in VoLTE
#VoLTE
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Industry Stats
Sources: GSMA, Analysys Mason
Annual costs can rise to about
$45 millionin 5 years, for a subscriber base of around 75 million
Typical Tier 1 operator, cost of deploying and operating an on premise IMS solution would be about
$10 million
By 2018, it is expected that about
600 million smartphone users
worldwide will use VoLTE as their default voice service
#VoLTE
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Challenges for Operators
Supporting 2 Networks
Market Forces
Revenue LossCommoditization
Stagnation
Infrastructure Investment
#VoLTE
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VoLTE Interconnect vs. VoLTE Roaming
IPX
MNO A MNO B
VoLTE Interconnect
IPX
MNO A MNO B
VoLTE Roaming
MNO A Subscriber@ Home
MNO B Subscriber@ Home
MNO A SubscriberRoaming
#VoLTE
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VoLTE Interconnect
Faron Achziger
Senior Product Manager, Next Generation Solutions
#VoLTE
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Understanding VoLTE Interconnect
Challenges
Supported LTE infrastructure
Signaling protocol shift from SS7 to Diameter and SIP
SIP Normalization
Working with the variations in standards IR.34
Pre early call setup
Bandwidth management
Charging and Accounting
Emergency and Priority calls
Multimedia interworking between operators
Voice transcoding
Advantages
Faster call setup
Higher quality voice and video calls, CoS (IPX)
Efficient use of spectrum, releasing extra capacity for data
Optimizes network and service management
Simplifies service delivery
Security based on IPX
Support for GSMA IR-92/IR-94
Leverages IMS core in the cloud
Real-time diagnostics and analytics
IPX
xCSCF
MME
Home A Party Home B Party
IBCF
Vo
LTE
Inte
rco
nn
ect
EPC
IMS Exchange
IMS
MME
IBCF
EPC
IMS
xCSCF – Call Session Control FunctionIBCF - Interconnection Border Control Functions
xCSCF
#VoLTE
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IMS-Based ServicesAn industry-standard framework for supporting IP-based services
Services Service Framework Foundation
#VoLTE
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What is Needed to Support VoLTE Interconnect?
SIP normalization and mediation
Transcoding
Codec mediation
VoLTE to CS interworking
Network:
Session throttling
Bandwidth utilization management
CoS prioritization
Commercial:
Black/white listing
Service management control
IWF control
Electronic Number Mapping Translation of E.164 to an IP address Supports migration from legacy to IP based services
Interworking Function Session and Policy Control
ENUM (IR.67)
#VoLTE
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Interworking Function
SIP normalization and mediation
Transcoding
Codec mediation
VoLTE to CS interworking
Network:
Session throttling
Bandwidth utilization management
CoS prioritization
Commercial:
Black/white listing
Service management control
IWF control
Electronic Number Mapping Translation of E.164 to an IP address Supports migration from legacy to IP based services Supports service based IP routing
Interworking Function Session and Policy Control
ENUM (IR.67)
#VoLTE
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IPX IMS Traffic – Use CasesSIP Interworking Function and Media Transcoding
Basic Normalization
Advance Mediation
Media Transcoding
Op
Op
Op
Service Partner
Service Partner
Service Partner
SIP header: XYZ
SIP: SUBSCRIBE/NOTIFY
AMR-WB
SIP header: ABC
SIP: OPTIONS
G.711
SIP header: XYZ
SIP: SUBSCRIBE/NOTIFY
AMR-WB
SIP header: ABC
SIP: OPTIONS
G.711
Normalize fields within the SIP message to customer requirements
Mediate between different SIP method types
Transcode media for voice and video streams
IPX Transcoder
Application Server
IPX Proxy
#VoLTE
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Session and Policy Control
SIP normalization and mediation
Transcoding
Codec mediation
VoLTE to CS interworking
Network:
Session throttling
Bandwidth utilization management
CoS prioritization
Commercial:
Black/white listing
Service management control
IWF control
Electronic Number Mapping Translation of E.164 to an IP address Supports migration from legacy to IP based services Supports service based IP routing
Interworking Function Session and Policy Control
ENUM (IR.67)
#VoLTE
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Policy Management is necessary for VoLTE
Factors for VoLTE call support:
Appropriate data rate
Bearer type
QoS Requirement
Gating control
Capability Exchange managementand IWF
Challenges for PCRF within a VoLTE network:
Scalability
Latency
Session Correlation
Redundancy – geographic
Service enablement parameters
Session management and control
Policy Management and VoLTE
#VoLTE
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ENUM
Mike Carnes
Senior Product Manager, Next Generation Solutions
#VoLTE
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ENUM (E.164 Number Mapping)
SIP normalization and mediation
Transcoding
Codec mediation
VoLTE to CS interworking
Network:
Session throttling
Bandwidth utilization management
CoS prioritization
Commercial:
Black/white listing
Service management control
IWF control
Electronic Number Mapping Translation of E.164 to an IP address Supports migration from legacy to IP based services Supports service based IP routing
Interworking Function Session and Policy Control
ENUM (IR.67)
#VoLTE
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ENUMCritical component of VoLTE services
16Syniverse Proprietary
Tier 1
Tier 2eTier 2
SP AeTier 2
SP BeTier 2
SP CTier 2 Tier 2
Tier 0 &eTier 0
IntegratedTier 2
QueryingMNO
#VoLTE
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IMS
Brian Beach
Senior Technology Manager, Next Generation Solutions
#VoLTE
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SIP
Diameter
Legacy Signaling SS7
SMS Messaging SMPP
MMS Messaging MM4
LTE Data Diameter
Advantages of IMS
• All IP-network for simpler co-existence of services
• Provides a better mobile experience• Keeps more customers in your network
• Launch new revenue-generating services• Collaborate with ISPs and other third parties
through APIs
IMSInterconnect
Legacy Interworking IMS Interworking
#VoLTE
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Rich Communication Services (RCS) Drive Unique Business Values
“GLOBAL OPERATORS, GOOGLE AND THE GSMA ALIGN BEHIND ADOPTIONOF RICH COMMUNICATION SERVICES” February, 22, 2016 Press Release
#VoLTE
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Q&A
#VoLTE
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Thank You!
For more information, visit www.syniverse.com
or follow us on Twitter @Syniverse
#VoLTE