Study Group: VOIP Experts (North America)

Council Members in this Study Group: 259

This study group may include experts knowledgeable on topics such as IT Services, consumer electronics, wireless devices, software, hardware, information technology, semiconductors, media, cable, satellite, internet, broadband, global positioning systems, advertising, online media, telecommunications, networking, wireless, and data storage, among others.

Contact Gerson Lehrman Group to survey or consult with members of this Study Group

Leading institutions connect with members of this Study Group through GLG

Leading Experts in this Study Group

Stephen Sutkowski

President
Telecom Strategic Visions

Stephen Sutkowski is the President of Telecom Strategic Visions, a consultant firm. He has working knowledge of business processes (service activation, provisioning, service assurance, and customer care), network functional and performance requirements, evaluation and analysis of suppliers for routing,...

Samuel Greenholtz

Principal
Telecom Pragmatics

Sam Greenholtz is a retired manager from Verizon and the Co Founder and Principal of Telecom Pragmatics, a consulting and research firm specializing in the telecommunications market. He has expertise in FTTx, optical networking, VoIP, Ethernet and wireless technologies including LTE, Wi-MAX, 3G, CDMA,...

Michael Horsch Fizz

Senior Advisor
FCI Inc.

Michael Horsch Fizz is a Senior Advisor at FCI, a company providing system integration and strategy consulting services. Mr. Fizz specializes in monitoring and predicting industry trends coupled with quantitative and qualitative reviews of technology vendors. Tech Sectors include unified computing,...

Jacob Larsen

VP, Global Operations and Business Transformation
Alcatel-Lucent - CC

Jacob Larsen is the Vice President, Global Operations and Business Transformation at Alcatel-Lucent. He oversees the company's global real estate portfolio across all practice areas including sales, R&D, manufacturing, and logistics. Post-merger, he coordinated the consolidation of Alcatel's and Lucent's...

Steve Fortuna

President
Fortuna Consultants

Steve Fortuna is the President of Fortuna Consultants, providing consulting engineering and feasibility studies to the telecommunications industry. Previously, he was a Network Architect with Charter Communications since October 2007. He has more than 18 years of experience in designing and implementing...

Izak Mutlu

Vice President- Information and Product Security
SALESFORCE.COM, INC.

Izak Mutlu, CISM, is the Vice President of Information and Product Security at Salesforce.com, a company specializing in customer relationship management software. He is responsible for managing IT security, architecture, design, implementation, and operations. Previously, he was the Chief Information...

Gurtej Sodhi

CIO & Sr. VP - IT
CRYE-LEIKE AFFILIATES

Gurtej Sodhi is the Chief Information Officer and Senior Vice President at The Crye Leike Group of Companies (a $5B enterprise). He has over 14 years of increasingly responsible positions in design, development, and management of IT operations. His industry experience spans manufacturing, professional...

Paul Massie

Director of Operations
StrataScale, Inc.

Paul Massie is the Director of Operations at StrataScale, a cloud or managed hosting provider. He is responsible for the customer facing IT infrastructure and applications, as well as customer support. Previously, he was the CIO of Genesis Microchip, responsible for all IT functions including infrastructure...

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GLG News^SM Analyses by this Study Group's Leading Experts (?)

Opinions and analyses expressed in GLG News are solely those of the author. See the Terms of Use for details.

NSN's HLR is not yet up to the task

November 5, 2009

Analysis by:GLG Expert Contributor

Analysis of: T-Mobile US suffers another network outage | www.telecomseurope.net

T-Mobile US suffered a major network outage where a large number of subscribers could not send or receive voice or text messaging due to an outage in Nokia-Siemens' Home Location Register (HLR) as a result of an overload condition. This was the second incident that NSN has with their HLR that could...

IMS Backers Take Life Out of VoLGA

November 5, 2009

Analysis by:GLG Expert Contributor

Analysis of: Operators Rally Round IMS for LTE Voice | www.unstrung.com

With the announced support of IMS-based voice and messaging over 4G/LTE by major mobile operators, T-Mobile International (now Deutsche Telekom) and other technology backers of VoLGA (a GSM-signaling over IP approach) are left with a key decision as whether to follow or remain isolated. Companies supporting...

Hardball 10/29/09: At Last, AT&T’s U-verse As We Know It Will Start Going Away

October 29, 2009

Analysis by:Samuel Greenholtz, Principal, Telecom Pragmatics

Analysis of: U-Verse Growth Is Slowing | www.lightreading.com

We expect dramatic cutbacks in U-verse CAPEX over the next two years. The service has pretty much been a bust. For AT&T, 3Q09 will probably “be identified as the quarter in which the U-verse star started to fade.”

Hardball 10/28/09: Chattanooga’s EPB Municipal Building Expensive Optic Network

October 28, 2009

Analysis by:Samuel Greenholtz, Principal, Telecom Pragmatics

Analysis of: EPB expands its fiber-optics services area | www.timesfreepress.com

EPB Fiber Optics has been working on its project for four years. It has put up with the usual delays for munis in fighting off lawsuits. EPB is going the Cadillac route with its network.

Hardball 10/27/09: Meaning of Verizon Wireless’ “Nationwide” LTE Network Unclear

October 27, 2009

Analysis by:Samuel Greenholtz, Principal, Telecom Pragmatics

Analysis of: Verizon-led investment group commits $1.3B to LTE development | www.fiercewireless.com

Verizon Wireless has said that it will have an LTE network throughout the US in late 2013 or early 2014. However, it has not clarified what that exactly means. Verizon appears to be aiming for 90 to 95% coverage.

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Members in this Study Group include these company types:

Individual/Small Consultancy
Networking Equipment Manufacturer
Market Research Company*
Wireless Carrier
Cable Provider/MSO
Competitive Local Exchange Carrier (CLEC)
Incumbent Local Exchange Carrier (ILEC)
Managed Service Provider
Value Added Reseller (VAR)

Members in this Study Group often have these job titles:

Principal
Consultant
Director
Chief Executive Officer
President

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