Global Roaming Inc United States

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General office

Global Roaming Inc
20801 Biscayne Blvd
Miami
Florida ,33180
United States

Phone: +13052493121
Site: http://www.CelTrek.com

Internet Telephony Service Provider
Voip Termination ISP
Wireless Broadband

Call Relay VoIP Solutions
Call Routing VoIP Solutions
Phone To Phone
Voice and Video Conferencing
Web Call
Web To Phone

Cisco Systems
Clarent
Lucent

Billing system of own development
Proprietary

Voice1Direct

CommFunction

Providers in database: 6433

Echo cancellation module VPMADT032

VPMADT032 echo cancellation module is meant to be used with the Digium IP telephony boards; it provides echo cancellation for configurable long "tail" of up to 128 ms (1024 samples) simultaneously for all ports of the board. All IP-PBX Asterisk servers, connected to the telephone network (PSTN) have one common problem, which is "hybrid echo" - echo obtained due to the difference in the load-wire and four-wire telephone circuits. Echo appears as a distorted reflection and a detainee of the caller's voice, who is subscribed to IP-PBX Asterisk while talking to PSTN subscribers.

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Stonehenge Telecom

Stonehenge is an international carriers carrier offer a full A-Z, US domestic and Canada termination, turn key white label VoIP solution, Mobile VoIp, and ratail IP products.

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