surf proprietary information 1 lawful interception offering
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Surf Proprietary Information 2
Presentation HighlightsPresentation Highlights
Company Profile
Offering for Lawful Interception Market
Roadmap for Lawful Interception Market (Video)
Summary
Surf Proprietary Information 3
Presentation HighlightsPresentation Highlights
Company Profile
Offering for Lawful Interception Market
Roadmap for Lawful Interception Market (Video)
Summary
Surf Proprietary Information 4
Surf Company ProfileSurf Company Profile
Established in 1996
Headquartered in Israel
Leading provider of Media-over-Packet solutions
Telecom Industry Focused on media processing
Voice Video Data (Fax/Modem)
Solutions for PSTN, IP, Mobile networks
DSP, chip- and board-level solutions
Lawful Interception Market LI interception modules for PSTN, IP, Mobile networks
Customers: Major LI manufacturers in Europe and Israel
Surf Proprietary Information 5
Customer BaseCustomer Base
Surf customers include:
Surf customers place repeat orders
Field-proven telecom and LI HW/SW system solutions
Worldwide support and maintenance
N MS COMMUNICATIONSN MSN MS COMMUNICATIONS
Surf Proprietary Information 6
Presentation HighlightsPresentation Highlights
Company Profile
Offering for Lawful Interception Market
Roadmap for Lawful Interception Market (Video)
Summary
Surf Proprietary Information 7
Surf Offering for LI MarketSurf Offering for LI Market
2-Wire Active/Passive Interceptor
PSTN (4-Wire) Interception SW module for Modem and Fax transmission
ISDN Framing Interception SW module
Mobile Interception (GSM) SW module for Data and Fax transmission
IP Interception SW module
Surf Proprietary Information 8
2-Wire Active/Passive Interceptor2-Wire Active/Passive Interceptor
PCI card installed in a PC® between client side and CO
Built from Probing module, CO/Clients modules
The Interceptor “listens” to the 2-wire line
Continuously delivers the samples/Modem data to the host application
On/Off-hook detection
The Interceptor has four RJ-11 POTS
Record two separate calls simultaneously
Surf Proprietary Information 9
2-Wire Interceptor - States2-Wire Interceptor - States
PSTN
Host Controller
2-Wire Interceptor
Modem
FaxCentral Office
Phone
Supports two states: Passive and Active
1. During Voice and Fax calls, the interceptor “listens” to the 2-wire line in Passive (default) state.
Client Side
2. The Interceptor delivers samples to the host application.
Samples
Passive State
Surf Proprietary Information 10
2-Wire Interceptor – States2-Wire Interceptor – States
PSTN
Host Controller
Modem
FaxCentral Office
Phone
2. The Interceptor delivers demodulated data to the host PC.
1. When the Interceptor identifies a Modem call, it switches into Active state.
DemodulatedData
Client Side
2-Wire Interceptor
Active State
Surf Proprietary Information 11
2-Wire Interceptor – Active State2-Wire Interceptor – Active State
The Interceptor determines the protocol used from client to CO
Data-pumps: V.92, V.90, V.34, V.32(bis)
EC: V.44, V.42, MNP5
DC: V.42bis, MNP2–4
Emulates a CO Modem (subscriber view)
Emulates a client Modem (CO view)
Outputs the demodulated data in PPPD format to the Host
Surf Proprietary Information 12
2-Wire Interceptor – Passive State2-Wire Interceptor – Passive State
The Interceptor outputs samples from the 2-wire:
On/Off-hook detection
Fax V.34HD and fallbacks
Voice
V.22 and fallbacks
Surf offers an optional module (runs on a PC)
Converts Fax samples into TIFF pages
Surf Proprietary Information 13
PSTN (4-Wire) Solution ConceptPSTN (4-Wire) Solution Concept
PSTN
4-Wire SW Probe
Modem
Fax
Central Office
Phone
Client Side
The Probe is a software-based solution installed at the CO Can be used in “Off-Line” or “Real-Time” mode (multi-thread) Based on Surf’s long-standing field-hardened telecom technology
Two sets of PCM streams
Surf Proprietary Information 14
PSTN (4-Wire) SolutionPSTN (4-Wire) Solution
Receives PCM data from the digital portion of the CO
Support two types of calls
Modem
Fax
For Modem calls:
Converts the PCM data into PPP frames
For Fax calls:
Converts the PCM data into TIFF pages
Modem
Fax
Surf Proprietary Information 15
Fax
PSTN (4-Wire) SolutionPSTN (4-Wire) Solution
Modem Probe Processing
Data-pump: all of ITU-T V series: V.92 and fallbacks
Error correction: V.42bis, MNP2-4
Data compression: V.44, V.42bis, MNP5
Available for PC, consuming ~100MCPS per channel
Modem
Fax Probe Processing Data pumps: V.34HD, V.17, V.29, V.27ter, V.21 Protocol:
T.30 Extraction of T.4 parameters based on T.30 NSF: Supports decoding of several known
non-standard features
T.4 extraction: MH, MR, MMR with all available types
Available for PC and TI C6x DSPs
Surf Proprietary Information 16
ISDN Framing ProbeISDN Framing Probe
Software-based probe
Possible inputs:
ITU-T V.110 streams
ITU-T V.120 streams
Output:
Data retrieval from input streams
Surf Proprietary Information 17
GSM/UMTS Circuit-Switched ProbeGSM/UMTS Circuit-Switched Probe
MSC
Control
Mobile Core Network
Mobile Radio Network
PSTN/ISDNPSTN Fax Machine
3.1K Audio Modem
Mobile Terminal
ISDN Modem
IUT-TV.
StandardsETSI/3GPP Standards
GSM/UMTS CS Data Probe
The Probe is a software-based solution for MSC-BSC/RNC
Can be used in “Off-Line” or “Real-Time” mode (multi-thread)
A-Interface TDM stream
Surf Proprietary Information 18
GSM/UMTS Circuit-Switched ProbeGSM/UMTS Circuit-Switched Probe
MSC
Control
Mobile Core Network
Mobile Radio Network
PSTN/ISDNPSTN Fax Machine
3.1K Audio Modem
Mobile Terminal
ISDN Modem
IUT-TV.
StandardsETSI/3GPP Standards
GSM/UMTS CS Data Probe
Optionally supports 4-wire probe solution
Full Mobile-to-PSTN/ISDN interception solution
A-Interface TDM stream
Two sets of PCM Streams
Surf Proprietary Information 19
GSM/UMTS Circuit-Switched ProbeGSM/UMTS Circuit-Switched Probe
MSC
IWF
Control
Mobile Core Network
Mobile Radio Network
PSTN/ISDNPSTN Fax Machine
3.1K Audio Modem
Mobile Terminal
ISDN Modem
IUT-TV.
StandardsETSI/3GPP Standards
GSM/UMTS CS Data Probe
A-Interface TDM stream
Two sets of PCM Streams
Based on Surf’s field-proven and deployed IWF technology
Surf Proprietary Information 20
GSM/UMTS Circuit-Switched ProbeGSM/UMTS Circuit-Switched Probe
Supports 2/2.5/3G wireless gateway interceptor A-Interface input streams towards 2G/2.5G Radio network
TDM input towards 3G MSC (A-TRAU’)
Compliant with ETSI relevant specification
Data towards 2G/2.5G Modified ITU-T V.110, according to TS 48.020
A-TRAU, according to TS 48.020
High-speed circuit-switched data (HSCSD) support Split/Combine, multiplexing function as defined in TS 44.021
Up to 4 sub-streams per input stream
Data towards 3G A-TRAU’, as defined in TS 29.007
Surf Proprietary Information 21
GSM/UMTS Circuit-Switched ProbeGSM/UMTS Circuit-Switched Probe
Supports Non-Transparent Bearer Services (Data) RLP version 0, 1 and 2 according to 3GPP TR 24.022
Supports Handover Switching from one rate adaptation scheme to another
Transparent Fax Service Modified V.110 (with HSCSD), A-TRAU for Fax Service
GSM 03.45 Mobile Fax Relay
Generates TIFF images
Automatic Discrimination of Input Streams Transparent and non-transparent data
Diverse radio channels
Surf Proprietary Information 22
IP Interception ConceptIP Interception Concept
Voice & Video GW
Media processing
board
Modem
Fax
Phone
Client Side
Voice & Video GW
Media processing
board
IP Phone/Fax
IP
IP Interceptor Probe
The probe is a SW-based solution for Fax/Data IP streams
Can be used in “Off-Line” or “Real-Time” mode (multi-thread)
Can get IP-captured input from anywhere in the “IP Cloud”
IP Captured Streams
Surf Proprietary Information 23
Supported IP Payload InterceptionSupported IP Payload Interception
FoIP Output: TIFF Pages
IP Interceptor Probe
IP Captured Streams
TIFF
Surf Proprietary Information 24
Supported IP Payload InterceptionSupported IP Payload Interception
De-Modulated data to PPPD
MoIP: PPPD Format (out of demodulated data)
IP Interceptor Probe
IP Captured Streams
Surf Proprietary Information 25
IP Interception – FoIPIP Interception – FoIP
Interception of FAX pages over IP traffic
Input: Captured IP traffic file
Output: TIFF file or raw bits (e.g. for encrypted fax)
Full support
T.38
G.711 (over UDP/IP)
Surf Proprietary Information 26
IP Interception – MoIPIP Interception – MoIP
Interception of Modem data over IP traffic
Input: Captured IP traffic file
Output: PPPD files
Full Support
VBD (Modem over G.711)
Surf Proprietary Information 27
Video LI RoadmapVideo LI Roadmap
IP
Mobile PSTN
H.324 Video Phone
3G-324M Video Phone
Voice & Video GW
Media processing
board
SIP Video Phone
SIP Video Phone
Using Surf Voice/Video transcoding abilities to retrieve Video transmissions
Surf Proprietary Information 28
Video LI Roadmap - CapabilitiesVideo LI Roadmap - Capabilities
Supports Video retrieval from the following networks:
Mobile – Video retrieval from 3G-324M stream
PSTN – Video retrieval from H.324 stream
IP – Video retrieval from IP Video stream
Supported Video coders
MPEG4
H.264; H.263; H.261
Video framing: RTP, H.223
Surf Proprietary Information 29
Presentation HighlightsPresentation Highlights
Company Profile
Offering for Lawful Interception Market
Roadmap for Lawful Interception Market (Video)
Summary
Surf Proprietary Information 30
SummarySummary
2-Wire Active/Passive Interceptor
PSTN (4-Wire) Interception SW module for Modem and Fax transmission
ISDN Framing Interception SW module
Mobile Interception (GSM) SW module for Data and Fax transmission
IP Interception SW module
Video Lawful Interception
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