Telecommunications : VoIP

1 - 4 of 4 entries.

• XO Communications

  One of the US's largest telecom service providers concentrating primarily on SIP, VoIP, WAN, and ethernet solutions.

  http://www.xo.com

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• CALL2UA - Global Communication Company

  Offering cheap phone calls over the internet from CISCO ATA-186, PC or any H323, SIP, IAX, FXO or FXS device. Wholesale phone calls termination.

  http://www.call2ua.com

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• OnSIP Business VoIP Service

  Open standards hosted VoIP service with enterprise PBX features for small to medium-sized businesses.

  http://www.onsip.com

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• RingCentral, Inc.

  Provides hosted phone systems that can help make every business better, more professional, more efficient and more profitable. Also offers the power and functionality of a Fortune 500 phone system.

  http://www.ringcentral.com

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