See also | Network Neutrality (Four Freedoms) | IP Enabled Services Proceeding | Internet | Ports & Port Blocking | International VoIP Blocking | VoIP Blocking |

TWC Petition for Interconnection of VoIP with Rural Telecom Carriers Dkt 06-55

• Proceeding.  Rural telecom carriers had blocked interconnection with TWC's CLEC VoIP services, using the state PUCs to rural that TWC CLEC VoIP lacked interconnection rights.
  

Vonage Complaint to the FCC

• Madison River Communications, LLC Order, FCC 3/4/2005
  • Madison River Communications, LLC Consent Decree, FCC 3/4/2005
    • "On February 11, 2005, the Enforcement Bureau issued a Letter of Inquiry (“LOI”) to Madison River, initiating an investigation. Specifically, the Bureau inquired about allegations that Madison River was blocking ports used for VoIP applications, thereby affecting customers’ ability to use VoIP through one or more VoIP service providers."
    • "In order to resolve and terminate the Investigation, the Bureau requires, and Madison River agrees, that Madison River shall not block ports used for VoIP applications or otherwise prevent customers from using VoIP applications."
    • NOTE: This enforcement complaint was resolved by a consent decree between the parties. No rule was announced or determined by the FCC that would be a guide for other companies.
  • Chairman Powell Commends Swift Action to Protect Internet Voice Services, FCC 3/4/2005
  • FCC Enforcement
  • Are carriers sabotaging VoIP?, Topix 2/18/2005
  • Vonage Says ISP Blocked Its Calls, Topix 2/18/2005
  • FCC Probes Blocking of Internet Phone Calls, Wash Post 2/18/2005
  • FCC investigates VoIP squashers, Register 2/15/2005
  • Telco agrees to stop blocking VoIP calls, CNET 3/4/2005
  • FCC Slaps Fine on VoIP-blocking Telecom, Internet news 3/4/2005
  • FCC strikes against VoIP blocking, Register 3/4/2005
  • Phone Company Settles In Internet Call Blocking, Wash Post 3/4/2005
  • Vonage says broadband provider blocks its calls CNET 2/15/5
  • Vonage Says ISP Blocked Its Calls TOPIX 2/18/5
  • FCC Probes Blocking of Internet Phone Calls Wash Post 2/18/5

International

• Jordan Joins The Axis Of Skype-Banners, Techdirt 10/20/2006
• Skype-Blocking Whack-a-Mole Continues, Techdirt 12/12/2006

Clearwire

• VoIP Blocking: Clearwire Continued, PPF 10/21/2005
• Clearwire decides what traffic types are acceptable, isen.blog 10/7/2005
• VoIP Blocking: The Case of Clearwire, PFF 10/1/2005
• Clearwire May Block VoIP Competitors , Network Computer (Mar 25, 2005) (" According to Vonage, it was able to resolve its customer's issues by changing the SIP port number for the end-user device. After the change, the customer was able to use Vonage's service again, Vonage's Shulz said. ")
• Clearwire's Non-WiMax Now Non-Useful: Blocks VoIP, Streaming Media , Techdirt (Mar 25, 2005)
• Clearwire May Block VoIP Competitors, Advanced IP Pipeline 3/25/2005
• Clearwire Blocks VoIP Competitors, CRN Mar 2005

Papers & Statements

• VON Coalition on Port Blocking
• Restrictions on running Skype P2P software at CERN , CERN IT Department
• 10 ISPs and countries known to have blocked VoIP , VoIP-Sol.com (Jan 23, 2007) (Panama, Belize Telecom, C&W Caribbean, Clearwire USA, Madison River, Telmex Mexico, Etisalat UAE, China, and Shanghai Telecom China).

News

• Essay: Internet in the Sky: Surf but Don't Call, NYT 9/16/2008
• Qwest Accuses Comcast of VoIP Blockade - Comcast: just a rare technical glitch..., DSLreports 6/19/2007
• Is Verizon blocking VoIP on FiOS?, Gigaom 5/8/2007
• Internet calls in free zones blocked , Gulfnews.com (August 31, 2006) ( Dubai efforts to stamp out unauthorized VoIP)
• Comcast Mishandling Vonage Traffic? - Or perhaps just poor network performance all around..., Broadband Reports 3/2/2006
• The fairy tale of 'Net neutrality', Free Press 9/7/2005
• Broadband monopolists: please don't enact VoIP port-block rules, ZDNet 8/12/2005
• German Unit to Block VoIP Applications , TMCnet (July 14, 2005)
• VoIP backlash in Germany? , ZDNet (July 13, 2005)
• Vonage says its calls are still being blocked, CNET 3/22/2005
• Telecom industry notices as FCC fines Mebane firm, Bizjournals 3/15/2005
• Vonage Being Blocked -- Again, Adv IP 3/11/2005
• FCC: Consumers Can Put End to VOIP Port Blocking, eweek 3/9/2005
• BT
  • BT appears to be blocking third-party VoIP , Mr. Blog (Oct 27, 2004)
  • BT Broadband WAS NOT Blocking UDP Port 5060 !, Jeff Pulver Blog (Oct 30, 2004)
• VoIP provider fears predatory practices, CNET 9/21/2004
• Some VoIP calls being blocked, CNET 8/12/2004
• Vonage: How to Enable Port Forwarding
• Some VoIP calls being blocked CNET Aug 12, 2004
• Port Blocks Disrupt VoIP Broadband Reports Blog Aug 2004
• Optimum Port Blocking Cable users complain about tactic BroadbandReports Blog Aug 2004
• Press Release: Optimum Online Filtering Outbound Port 25 (SMTP) To Reduce Spam 2004
• WARNING ! Adelphia Blocking Ports In Some Markets VoIP Watch Blog July 2004
• Comcast's Port Blocking Starting To Work (SPAM) Technology.Updates.com Blog June 2004

See also | Network Neutrality (Four Freedoms) | IP Enabled Services Proceeding | Internet | Ports & Port Blocking | International VoIP Blocking | VoIP Blocking |