Surf Communication Solutions - Surf Insight

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Information about Surf Communication Solutions - Surf Insight

Published on August 2, 2007

Author: upstate

Source: slideshare.net

Description

Surf Communication Solutions provides of MoP (Media over Packet) Triple Play (Voice, Video, and Modem/Fax/Data) conversion solutions to communication equipment manufacturers. These solutions are provided in various integration levels: DSP software ; PTMC boards; DSP hardware/software; and PCI boards. http://www.surf-com.com

SurfInsight™ Expert Decoding & Analysis System

Contents Networks: Evolution and Challenges SurfInsight Overview SurfInsight Features Summary About Surf

Networks: Evolution and Challenges

SurfInsight Overview

SurfInsight Features

Summary

About Surf

Networks: Evolution and Challenges

Networks: Evolution Today: Different networks for different purposes TDM Wireline IP Wireless IP 2G; 2.5G; 2.75G Mobile (conversational multimedia is TDM) 3G IMS eventually will be IP Future: Networks will be all IP, BUT… Different vocoders QoS issues Mobility issues (mobile IP and roaming) Billing issues

Today: Different networks for different purposes

TDM

Wireline IP

Wireless IP

2G; 2.5G; 2.75G Mobile (conversational multimedia is TDM)

3G IMS eventually will be IP

Future: Networks will be all IP, BUT…

Different vocoders

QoS issues

Mobility issues (mobile IP and roaming)

Billing issues

New Networks, New Challenges Supporting new standards (interoperability effort) Data coding T.38 for Fax V.150 for Modem More… Voice coding G.7xx G.168 Echo canceller AMR Quality measurement & assurance P.862 P.561 Packet coding RFC335x RFC2833 More… Meeting new network conditions Ethernet conditions Delay Jitter Packet Loss Echo cancellation due to long delay

Supporting new standards (interoperability effort)

Data coding

T.38 for Fax

V.150 for Modem

More…

Voice coding

G.7xx

G.168 Echo canceller

AMR

Quality measurement & assurance

P.862

P.561

Packet coding

RFC335x

RFC2833

More…

Meeting new network conditions

Ethernet conditions

Delay

Jitter

Packet Loss

Echo cancellation due to long delay

SurfInsight Overview

SurfInsight Overview Device-independent communications analysis Enables decoding and analysis of the following transmissions: Data (Modem) Fax Mobile Fax Mobile Data VoIP Over the following networks: PSTN A-interface IP Zero integration effort

Device-independent communications analysis

Enables decoding and analysis of the following transmissions:

Data (Modem)

Fax

Mobile Fax

Mobile Data

VoIP

Over the following networks:

PSTN

A-interface

IP

Zero integration effort

Who Benefits from SurfInsight? Equipment Developers Media Gateways CTI Applications Messaging IVR Recording Fax Servers RAS Servers Service Providers Carriers & Operators ISP (VoIP) WISP (VoIP) Mobile Operators & Service Providers

Equipment Developers

Media Gateways

CTI Applications

Messaging

IVR

Recording

Fax Servers

RAS Servers

Service Providers

Carriers & Operators

ISP (VoIP)

WISP (VoIP)

Mobile Operators & Service Providers

Solution for Equipment Developers Provides bottom-up deep diagnosis of the call e.g. (fax): provide info from data pump layer up to tiff picture Helps solve interoperability issues Diagnoses physical layer problems Diagnoses network layer problems

Provides bottom-up deep diagnosis of the call

e.g. (fax): provide info from data pump layer up to tiff picture

Helps solve interoperability issues

Diagnoses physical layer problems

Diagnoses network layer problems

Solution for Service Providers Non-intrusive IP network diagnosis High packet loss rate High jitter Non-intrusive TDM network diagnosis Echo path Echo canceller performance Indicates possible location of problems TDM IP

Non-intrusive IP network diagnosis

High packet loss rate

High jitter

Non-intrusive TDM network diagnosis

Echo path

Echo canceller performance

Indicates possible location of problems

TDM

IP

SurfInsight Features

SurfInsight Features Decoding and analysis are performed without any interference to transmission Offline analysis of TDM & IP captured files Non-intrusive quality measurement for voice Real-Time analysis (future) High-level “insights”, based on Surf expertise and field-hardened experience SurfInsight has a user-friendly GUI, Windows-based solution

Decoding and analysis are performed without any interference to transmission

Offline analysis of TDM & IP captured files

Non-intrusive quality measurement for voice

Real-Time analysis (future)

High-level “insights”, based on Surf expertise and field-hardened experience

SurfInsight has a user-friendly GUI, Windows-based solution

SurfInsight Workflow Real-time PCM files E1/T1 Ethernet Problem indicators, analyzers: “ What caused the problem?” MoIP (VBD) FoIP (VBD) Voice Mobile Data Analyzers: Modem Fax FoIP (T.38) A-interface: (mobile) IP Capture Files Output: Content, Events & Signaling

SurfInsight — Fax example Samples from TDM channel

SurfInsight — Output Textual Decoding PDSNR* Analysis Call Timeline * Post detection signal-to-noise ratio Extracted TIFFs

Modem Issues…Resolved Data loss Throughput Error correction and data compression incompatibility Interoperability in the data-pump layer Network delay problems Analog related problems

Data loss

Throughput

Error correction and data compression incompatibility

Interoperability in the data-pump layer

Network delay problems

Analog related problems

Fax Issues…Resolved Data pump incompatibility T.30 and T4/T6 incompatibility Network delay and timeout Analog signal Signal handling

Data pump incompatibility

T.30 and T4/T6 incompatibility

Network delay and timeout

Analog signal

Signal handling

Mobile Fax/Data Issues…Resolved GSM 03.45 incompatibility T30 and T4/T6 incompatibility Network delay and timeout issues Modified V.110, A-Trau, A-Trau prime, and RLP issues Handover issues

GSM 03.45 incompatibility

T30 and T4/T6 incompatibility

Network delay and timeout issues

Modified V.110, A-Trau, A-Trau prime, and RLP issues

Handover issues

MoIP/FoIP Issues…Resolved Modem and Fax over IP related problems Packet loss indication & handling Jitter and Delay Transparent mode (G.711) ITU-T standards T.38 / V.150 SID indication

Modem and Fax over IP related problems

Packet loss indication & handling

Jitter and Delay

Transparent mode (G.711)

ITU-T standards T.38 / V.150

SID indication

Voice Issues…Resolved Network diagnosis Jitter analysis Packet loss Automatic payload recognition for supported vocoders RTP analysis RFC2833 parameters Payload violations Silence descriptors analysis Echo cancellation analysis* Echo path Echo canceller performance VAD efficiency analysis* Vocoder statistics (waveform coders, AMR and more) * Valid only if both TDM & IP recordings exist

Network diagnosis

Jitter analysis

Packet loss

Automatic payload recognition for supported vocoders

RTP analysis

RFC2833 parameters

Payload violations

Silence descriptors analysis

Echo cancellation analysis*

Echo path

Echo canceller performance

VAD efficiency analysis*

Vocoder statistics (waveform coders, AMR and more)

Analyzing Modem Over PSTN Decoded Data (PPPD format) Input Signals Data Pumps Error Correction & Data Compression Signal Analyzers Data Pump State Machine Analyzers Error Correction Data Compression Analyzers

Modem Analysis Information Signal Analyzers Input signal stability / overflow Discriminator information Data Pump State Machine Analyzers Demodulation Detailed phase information exchange Improper state flow and timeouts Error Correction / Data Compression Analyzers Negotiation exchange information Improper state flow analysis

Signal Analyzers

Input signal stability / overflow

Discriminator information

Data Pump State Machine Analyzers

Demodulation

Detailed phase information exchange

Improper state flow and timeouts

Error Correction / Data Compression Analyzers

Negotiation exchange information

Improper state flow analysis

Analyzing Fax (T.30) Over PSTN Input Signals Data Pumps T.30 Decoder Signal Analyzers Data Pump State Machine Analyzers State Machine Analyzers Picture Analyzers Tiff Decoder

Fax Analysis Information Signal Analyzers Signal quality Discriminator information Data Pump State Machine Analyzers Demodulation quality Detailed phase information exchange T.30 Decoder Analyzers T4/T6 compression information and incompatibility Improper state flow analysis ECM problems

Signal Analyzers

Signal quality

Discriminator information

Data Pump State Machine Analyzers

Demodulation quality

Detailed phase information exchange

T.30 Decoder Analyzers

T4/T6 compression information and incompatibility

Improper state flow analysis

ECM problems

Analyzing T.38 Fax Over IP T.38 Decoder T.30 Decoder T.38 packets Analyzer State Machine Analyzers Picture Analyzers Tiff Decoder IP Parser UDP/Port Selection Stream Content Recognition

T.38 Analysis Information Packet Analyzers Packet loss detection Jitter behavior No-signal/single-sided indication Bad packets detection Packet collusion detection T.30 Decoder Analyzers T4/T6 compression information and incompatibility Improper state flow analysis ECM problems

Packet Analyzers

Packet loss detection

Jitter behavior

No-signal/single-sided indication

Bad packets detection

Packet collusion detection

T.30 Decoder Analyzers

T4/T6 compression information and incompatibility

Improper state flow analysis

ECM problems

Analyzing Voice Over IP RTP Decode & Jitter Buffer Vocoders, PLC/CNG Payload & Jitter Analysis, RFC2833 parameters SID & Packet loss Analysis, Waveform Analysis Non-intrusive Voice Quality TDM Samples IP Parser UDP/Port Selection Stream Content Recognition

TDM/IP Cross Analysis (expert system) Decode samples from IP capture Analyze the samples using the Fax analysis Cross Analysis TDM samples Input Signals Data Pumps T.30 Decoder Signal Analyzers Data Pump State Machine Analyzers State Machine Analyzers Picture Analyzers Tiff Decoder RTP Decode & Jitter Buffer Vocoders, PLC/CNG Payload & Jitter Analysis, RFC2833 parameters SID & Packet loss Analysis, Waveform Analysis Non-intrusive Voice Quality TDM Samples IP Parser UDP/Port Selection Stream Content Recognition

Summary

SurfInsight Summary Accelerate development cycle of Data and Fax-related systems Simplify interoperability resolution Simplify and accelerate maintenance at customer sites Transparently produce diagnostics and “insights” Result: Faster “Time-to-Market” !

Accelerate development cycle of Data and Fax-related systems

Simplify interoperability resolution

Simplify and accelerate maintenance at customer sites

Transparently produce diagnostics and “insights”

Result: Faster “Time-to-Market” !

Thank You www.surf-com.com

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