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Nonprofit · EIN 55-0891386

SIP FORUM LLC

Also known as BATSON JAMES A JR SOLE MBR

Tax-exempt · NORTH ANDOVER, MA 01845

Financials

$486K$449K2023$593K$475K2024$516K$502K2025
Revenue Expenses · by fiscal year end
Financials of SIP FORUM LLC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2026990$515,849$501,699$14,150$851,663$247,620$604,043
June 30, 2025990$592,762$475,031$117,731$817,987$228,094$589,893
June 30, 2024990$486,447$448,658$37,789$770,755$298,593$472,162
Financial details: 990 for the year ended June 30, 2026

Revenue

Contributions, gifts and grants
$158,333
Membership dues
$158,333
Program service revenue
$357,516
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$283,200
Salaries, compensation and benefits (total)
$283,200
Professional fundraising fees
$0
Accounting fees
$15,900
Travel
$10,367
Program services (functional)
$358,798
Management and general (functional)
$142,901

Balance sheet and other

Total assets, start of year
$817,987
Total assets, end of year
$851,663
Total liabilities, end of year
$247,620
Net assets, end of year
$604,043
Gross receipts
$515,849
Employees
0
Year formed
2005
State of legal domicile
DE

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2026, highest compensation first.

NameTitleHours / weekCompensation
Marc RobinsMnging Director
Officer
40$259,200
Richard ShockeyChairman
Trustee or director
5$24,000
Mary BarnesTransUnionDirector
Trustee or director
1$0
John AyersDirector
Trustee or director
1$0
George CrayGCH TechnologiesDirector
Trustee or director
1$0
Richard WikoffComcastDirector
Trustee or director
1$0
Chris OatwayVerizonDirector
Trustee or director
1$0
Greg RogersBandwidthDirector
Trustee or director
1$0
Harold SaltersCTIADirector
Trustee or director
1$0
Martin DollyATTDirector
Trustee or director
1$0
Steve TangiconectivDirector
Trustee or director
1$0
Keith BuellNumeracleDirector
Trustee or director
1$0
Chris WendtSomosDirector
Trustee or director
1$0
Philip LinseLumenDirector
Trustee or director
1$0
Clark WhittenCoxDirector
Trustee or director
1$0
990 for the year ended June 30, 2025: 15 people
NameTitleHours / weekCompensation
Marc RobinsMnging Director
Officer
40$240,000
Richard ShockeyChairman
Trustee or director
5$24,000
Mary BarnesTransUnionDirector
Trustee or director
1$0
John AyersDirector
Trustee or director
1$0
George CrayGCH TechnologiesDirector
Trustee or director
1$0
Richard WikoffComcastDirector
Trustee or director
1$0
Chris OatwayVerizonDirector
Trustee or director
1$0
Greg RogersBandwidthDirector
Trustee or director
1$0
Harold SaltersCTIADirector
Trustee or director
1$0
Martin DollyATTDirector
Trustee or director
1$0
Steve TangiconnectivDirector
Trustee or director
1$0
Keith BuellNumeracleDirector
Trustee or director
1$0
Steve WendtSomosDirector
Trustee or director
1$0
Philip LinseLumenDirector
Trustee or director
1$0
Clark WhittenCoxDirector
Trustee or director
1$0
990 for the year ended June 30, 2024: 15 people
NameTitleHours / weekCompensation
Marc RobinsMnging Director
Officer
40$228,000
Richard ShockeyChairman
Trustee or director
5$24,000
Mary BarnesDirector
Trustee or director
1$0
Martin DollyDirector
Trustee or director
1$0
Philip LinseDirector
Trustee or director
1$0
George CrayDirector
Trustee or director
1$0
Chris OatwayDirector
Trustee or director
1$0
Greg RogersDirector
Trustee or director
1$0
Richard WikoffDirector
Trustee or director
1$0
Chris WendtDirector
Trustee or director
1$0
Clark WhittenDirector
Trustee or director
1$0
Harold SaltersDirector
Trustee or director
1$0
Keith BuellDirector
Trustee or director
1$0
John AyersDirector
Trustee or director
1$0
Steve TangDirector
Trustee or director
1$0

Address and contacts

Address (IRS master file)
733 TURNPIKE STREET 192, NORTH ANDOVER, MA 01845-6137
Signed the 990
Marc Robins, Director
Phone
(978) 824-0111
Return prepared by
Castro Thresher & Oliveira PC

Mission

The SIP Forum is organized for the purpose of promoting the spread and adoption of a telecommunications signaling protocol known as Session Initiation Protocol (SIP).

990 for the year ended June 30, 2026

Program accomplishments

  • Test Event Working Group (TEWG) - This is chartered to coordinate the holding of large-scale interoperability test events. These events, held multiple times per year at locations around the world, are open to any company, individual, or institution that wishes to attend and bring a product or service that incorporates SIP signaling to test with other products that incorporate SIP with the goal of increasing Inter-operability among vendors' products or services.
    Expenses $328,945 · revenue $357,516
  • Marketing Working Group - This is chartered to to increase awareness of SIP among selected communities. To do this, the working group performs tasks like creating white papers for distribution from a booth at selected industry conferences, maintaining a freely accessible website listing of SIP-based products and services, and coordinating the speaking opportunities for full member representatives at trade conferences.
    Expenses $29,853
  • Technical Working Group - This is chartered to create documents that serve as best practice recomendations about how products use this Session Initiation Protocol (SIP) for application-specific purposes. These documents, while themselves not the official definition of SIP standard, describe which function is to use within SIP (and other relevant technologies) in order to supply application-specific features.

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990 on file
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
55-0891386
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2006
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$851,663
Income (IRS master file)
$515,849

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2026$515,849$501,699$851,663XML
990June 2025$592,762$475,031$817,987XML
990June 2024$486,447$448,658$770,755XML
990June 2023$328,876$298,394$665,111IRS
990June 2022–––IRS
990June 2021–––IRS
990June 2019–––IRS
990June 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 55-0891386).

Questions about SIP FORUM LLC

What is the EIN of SIP FORUM LLC?
The employer identification number (EIN) of SIP FORUM LLC is 55-0891386.
Is SIP FORUM LLC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2006.
Are donations to SIP FORUM LLC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIP FORUM LLC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of SIP FORUM LLC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIP FORUM LLC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2026.
Who are the officers and directors of SIP FORUM LLC?
The 990 for the year ended June 30, 2026 lists 15 people; 2 received compensation from the organization, the highest $259,200 (Marc Robins, Mnging Director).
How much revenue does SIP FORUM LLC have?
On its 990 for the year ended June 30, 2026 it reported revenue of $515,849, expenses of $501,699 and total assets of $851,663 at year end.

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