Directory of Service Providers Resources

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SIP based VoIP and IM Service Providers.

Resources in This Category

• AltoTelecom

  http://altotelecom.com/
  UK Based SIP service provider serving businesses and call centers & offering unlimited concurrent call paths. Free US-based virtual phone number with every account.

• CoreDial

  http://www.coredial.com/
  White label SaaS platform enables Channel Partners to successfully sell, deliver, manage, and invoice for cloud SIP communications services. Partner programs for MSP, VAR, and ITSPs.

• DIDforSale

  http://www.didforsale.com/
  Wholesale SIP trunking provider offering low-cost DID origination and termination. Site offers multiple interconnection guides for most popular PBX systems.

• Endstream Communications

  http://www.endstream.com/
  Provides wholesale US SIP termination and US DID origination.

• Enterprise Communications Center

  http://enterpriseip.xo.com/
  SIP trunking and business VoIP solutions. Site contains white papers and webinars.

• EtherSpeak

  http://www.etherspeak.com/
  Offers IP based telecommunication solutions: SIP trunking, and IP PBX backup solutions. Internet faxing using store-and-forward HTTPS faxing with Audiocodes ATA adapters with T.38 support.

• Flowroute

  http://www.flowroute.com/
  SIP only carrier offering wholesale VoIP solutions. SMS messaging platform and developer API integration. Supports G.729 audio codec. Guides available for interconnection.

• GetOnSIP

  https://www.getonsip.com/
  Provides free SIP addresses and softphone configuration instructions.

• NexVortex

  http://www.nexvortex.com/
  SIP Trunking, hosted PBX, and carrier offload services to small and medium businesses. Toll-Free SIP trunking and disaster/fail-over solutions available.

• Simwood eSMS

  http://www.simwood.com/
  Provides UK phone number SIP termination for ISPs, ITSPs, call centres, calling card providers, and carriers.

• SIP Sorcery

  http://www.sipsorcery.com/
  A combined SIP service and web application that can manage SIP devices and SIP providers.

• SIP.us

  http://www.sip.us/
  SIP trunk provider offering quick SIP trunk configuration and flexible billing platform. Custom module available for easy integration for FreePBX.

• SIPSaver

  http://www.sipsaver.com/
  SIP trunking solution. FAQ and support pages.

• SIPTrunk

  http://www.siptrunk.com/
  A fully automated , white label B2B SIP Trunk provider. Offers store-and-forward HTTPS fax. PBX configuration guides, and SIP trunk education resources available.

• T38Fax

  https://www.t38fax.com/
  T.38 Fax Over IP (FoIP) service. Offers T.38 SIP trunk origination and termination, as well as service provider fax offload. ECM Self-test, with PBX and device configuration guides available.

• Voiceflex

  http://www.voiceflex.com/
  Offers SIP trunking, data, and hosted telephony solutions. UK based.

• VoIP Innovations

  http://www.voipinnovations.com/
  Wholesale VoIP DID, Origination, Termination and E911 service provider. "Backoffice" platform offers inventory management, CRM and least cast routing via underlying SIP carriers.

• VoIPAccess

  http://voipaccess.net/
  B2C oriented Voice over IP (VoIP) provider. Flat rate internet phone service, online account management and VoIP tools available.

• Xinix World

  http://www.xinixworld.com/
  B2B and B2C services for SIP Trunking, DID, Hosted PBX, and additional VoIP services.

Related Categories

• Home > Business > Telecommunications > Services > VoIP

 

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