have a close connection with its subject . it may require cleanup to comply with wikipedia s content policies particularly neutral point of view . please discuss further on the talk page . july 2014 learn how and when to remove this template message intercall type subsidiary industry telecommunications and web conferencing founded 1991 headquarters chicago united states key people scott etzler president revenue us 2.69 b 2013 number of employees approx . 4000 parent west corporation website intercall.com intercall a subsidiary of west corporation is the largest conference and collaborations service provider in the world and a leading provider of global cloud based unified communications services . the company claims a customer base of over 2.9 million unique conference leaders clarification needed in more than 65 000 organizations and 83 of the fortune 100 . 1 intercall is headquartered in chicago illinois and maintains a strong u.s. presence including four call centers and 26 sales offices is bolstered by operations in canada mexico latin america the caribbean the united kingdom ireland france germany australia new zealand china india hong kong singapore and japan citation needed . contents 1 history 2 see also 3 references 4 external links history edit founded in 1991 as a subsidiary of itc holding company intercall offers telephony messaging conferencing and collaboration tools for businesses of all sizes from large global enterprises to small or regional companies . with a global footprint and broad service capabilities intercall s flexible models for hosted managed and on premises communication services help companies get the most out of their business processes . 2 in 2013 the company executed 25b minutes in conference calls globally and contributed to over 2.6 b in revenue west corporation 1.069 uc segment . 3 intercall was acquired by west corporation in 2003 beginning a period of rapid growth and acquisition . from 2003 to 2009 intercall purchased conferencecall.com raindance eci conference call services sprint conferencing stream57 genesys conferencing corvent postcti skt bcs unisfair and smoothstone . 4 see also edit web conferencing comparison of web conferencing software references edit 2011 top 10 web conferencing software report intercall review . http www.intercall.com files intercall presskit.pdf http files.shareholder.com downloads wtsc 3163615583x0x741738 4b064abb f44c 4909 a7be ca80526ce21e 2013 annual report.pdf http investor.shareholder.com west releases.cfm year & releasestype general & pagenum 1 external links edit official website retrieved from https en.wikipedia.org w index.php title intercall & oldid 743336708 categories companies established in 1991software companies of the united statescompanies based in chicagoweb conferencingvideotelephony1991 establishments in illinoishidden categories wikipedia articles with possible conflicts of interest from july 2014wikipedia articles needing clarification from july 2014all articles with unsourced statementsarticles with unsourced statements from october 2013 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 9 october 2016 at 04 58 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view