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© 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

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© 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools
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Page 1: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

© 2004 AudioCodes Ltd. All rights reserved.

Delivery to VoIP QoS Tools

Page 2: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Business Model

Business as usual - what we do today; just a new market

Deliver call details to Companies that build Call Recorders

Deliver call details to Companies that build VoIP QoS Tools

Page 3: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

What is VoIP QoS?

QoS = Quality of Service

Monitors the health of VoIP Networks

– MOS scores/R factor (voice quality)

– Jitter

– Call set up analysis; delays

– Packet Loss, corrupt packets

– Network bandwidth statistics

Page 4: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Our Product Proposal

• We decode the signaling and pass up call information

• Our customers interpret information and build full application with user interface and analytics

Avaya

Nortel

Intertel

Ericsson SiemensSIP

H.323

Page 5: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Understanding the VoIP QoS Market

It is really the Network Management Market (IT)

– Add tools that monitor VoIP

12 billion dollar market world-wide (Frost & Sullivan)

Page 6: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

VoIP QoS Market – Type 1

• Service-level management (SLM) • Business service management (BSM) • Service Level Agreement (SLA)

Comprises 37% of network monitoring sales (3.5 billion)

The ability to monitor VoIP QoS relative to what the carrier promised. Carriers – track their own records to monitor the service they deliver

Vonage, Verizon, Comcast, at&t etc….

Enterprise – monitor their SIP trunks making sure carriers deliver what they promised

Page 7: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

VoIP QoS Market – Type 2

End User Experience Management

• Expects a 72% growth from 2007 to 2008 with total expected sales of $300,000 million (Frost and Sullivan)

Monitor VoIP QoS relative to the caller experience from “cradle to grave”

Ability to monitor QoS on the local network;

“The Proprietary PBX”

Page 8: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Target Market

Generally speaking;

• Most companies first created network monitoring tools– Packet loss

– Switch health

– Network collisions

– Network bandwidth

• Now include VoIP analysis

Page 9: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Our Target Market

Companies that develop VoIP QoS tools with product offerings for the enterprise market

• Why not carrier market? Or SLA/BSM?– These are typically standard VoIP protocols such as SIP/H.323/MGCP –

which they already support

Our value is our ability to decode proprietary protocols

Page 10: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Our vision is to enable VoIP QoS applications monitor proprietary telephone networks

Page 11: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Our Value

• We decode proprietary telephone signaling so they don’t have to

• Get call information directly from the network; not the PBX– No CTI link required

– Monitor actual calls; not artificially generated calls (more later)

• No equipment costs

• No specialized application development or engineers

Page 12: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Our Current HPX Product Offering

• SmartWORKS API– Consistent development across multiple PBX vendors

• Changes to call state (alerting/connected); time stamp

• Call Meta data– Caller/Called numbers, extension (when avail), call duration, IP addresses/ports

of all endpoints (signaling/media)

• Forwarding of RTP– To their services for voice quality analysis (we can add later)– Our Call recording/playback services

• RTCP analysis

Page 13: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Statistics - Today

• VoIP Protocol– Packets out of order

– Checksum error

– Total packet count

– Dropped segment

– UDP checksum

• Station (Phone) Statistics– Total count of inbound & outbound calls

– Call duration; avg

– Total calls rejected, abandoned, connected

Page 14: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Potential Customers

• NetQoS – VoIP Monitoring Tool (private company - increased revenues by 671 percent from 2003 to 2007, $30-50m sales; 2,744 hits/day)

– Cisco Unified CallManager 4.2 or later

– Gateways running SIP, MGCP, and H.323

• NetIQ – AppManager for VoIP (NTIQ ~ $200m sales, 3,000 hits per day)

– Avaya, Cisco, Nortel, Microsoft OCS

• Network Instruments (private company, saw five years of 25% growth, 07-08 saw 47% growth; also manufactures hardware taps; 1,700/day)

– Cisco, Avaya, Nortel, Mitel

– Gateways running SIP, MGCP, and H.323

• SolarWinds – Orion VoIP Monitoring (private company, 10 years old, over 1,000,000 customers; 9,600 hits/day)

– Any PBX vendor; however limited to Cisco SLA knowledge

Page 15: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Moving Forward

• I have a list of 75+ companies

• All are qualified leads – offer enterprise QoS solution

Page 16: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Everything you need know about VoIP QoS

in order to get the job done

Page 17: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Current Technology

While 45% of organizations surveyed had already implemented VoIP, only 32% felt that they could properly monitor VoIP performance (Network Instruments)

Agenda:

– Overview of technology available today

– Understand limitations

– Value Added Services

Page 18: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Typical Business

To carrier; SIP Trunk

SIP

VPN - Tunnel

Proprietary Signaling between PBX and phone

Page 19: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

What can most tools see? (type 1)

To carrier SIP Trunk

SIP

VPN - Tunnel

VoIP QoS Monitoring

Terminal/Edge Devices

Page 20: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Penetrating the Enterprise (Type 2)

1. Monitor SNMP / MIBs

2. Use SLA enabled devices

3. Passive1. PBX Integration

2. Decode VoIP Packets (SIP/H.323/MGCP)

4. Emerging Trend – decode proprietary

Page 21: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

SNMP/MIBs

• Resulting Metrics – Monitor health of network equipment (servers)

– CPU

– Disk space

Page 22: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

SNMP/MIBs

• Resulting Metrics – Monitor health of network equipment (servers)

– CPU

– Disk space

• Limitations– Nothing about call signaling path

– No call detail (CDR) information

– Each vendor enables different SNMP messages, proprietary messages

– Useful for monitoring health of network equipment, but not actual call

Page 23: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

SLA Enabled Devices

SLA – Service Level AgreementsNetwork switches; generates artificial calls

• Resulting Metrics– Transport delays across network - jitter

– RTP Packet loss; MOS scores

– Call Setup delay

SLA enabled Switch

SLA enabled Switch

SLA enabled Switch

PBX

SLA “Calls”

Actual customer calls

Page 24: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

SLA Enabled Devices

SLA – Service Level AgreementsNetwork switches; generates simulated calls

• Limitations– Requires support of SLA enabled devices (Cisco)

– Strains network bandwidth

– Selective information – miss peak call analysis

– Artificially generated, no data analysis of actual calls

– No view of PBX (not an SLA enabled device)

– No view of real protocol – different call setup procedures

Page 25: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Unanswered Questions

Is poor call quality impacting the customer experience?

Are abandoned calls the direct result of network problems?

Why do calls from a specific area code or agent sound choppy?

Why doesn’t my agent get a dial tone?

How can I replay or regenerate a specific call to resolve a complaint?

Page 26: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Unanswered Questions

Is poor call quality impacting the customer experience?

Are abandoned calls the direct result of network problems?

Why do calls from a specific area code sound choppy?

Why doesn’t my agent get a dial tone?

How can I replay or regenerate a specific call to resolve a complaint?

Customer Experience Analytics

-OR-

Measuring the ROI of the VoIP Installation

Page 27: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Real Feature Requests

“I have not been able to find anything that will monitor Avaya in real time, hopefully the VOIP Module will do this in a future release. – posted 11/07”

“In 2008, our goal is to collect Avaya specific phone/VoIP data that is available via SNMP.  All IP SLA data will still be collected by the Cisco routers.

“There are times where we have a customer who can’t dial a certain number, or has call quality issues to a certain area code, and it would be nice to just grab that information ….”

Page 28: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Emerging PBX Integration

• Limited view of entire network– Only receive information about “bad” calls

– Limited by what PBX vendor exposes via API

• Difficult installation – Troubleshooting headache

• Cost – API is free

– Certification is expensive, time consuming

Page 29: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Emerging Decoding Protocols

• Resulting Metrics

Of actual customer calls– Call set up delay; delay to hear dial-tone or connect

– Call re-creation

– Call playback

– Voice quality; tag problems in real time

– Packet priority errors (network configuration problems)

– Visibility of actual VoIP endpoints (PBX, phone, and Caller ID)

• Phone re-setting

• PBX not sending ACKs

• Monitor burst activity

Page 30: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Analysis

Many advertise proprietary PBX support:

Actually they;

• Monitor MIBs/SNMP of proprietary hardware which allow insight to health of server

• Show call flow of calls generated by SLA tools

A few actually decode proprietary protocols

I have seen;

Cisco, Avaya, Nortel, Mitel – (Network Instruments)

But nothing else;

Siemens, Alcatel, Aastra-Matra…..

Page 31: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

Product Proposal

Using HPX decode proprietary call information and deliver essential data to VoIP QoS monitoring tools:

Here is what we can deliver via HPX:– Call Set Up analysis; time to call setup (lag to dial tone)

– Playback of audio/video (NGP)

– Call detail records; so QoS tool can build historical information

– Ability to re-create call scenario

– Call identifiers; network call ref, extension, DNIS, CallerID, area code, agent ID, etc

– Call failures and cause

– Total VoIP packets TCP/IP and UDP

– Re-transmitted packets

Page 32: © 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.

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