Rivatel United States

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General office

Rivatel
6322 N. MacArthur Blvd
Irving
Texas ,75039
United States

Phone: +1 972-869-9609
Site: http://www.rivatel.com

Contact Person

Hasan Mahmood / CEO
Phone: +1 972-869-9609
Phone: +1 512-585-1172

International VoIP Wholesale Provider
Internet Telephony Service Provider
Voip Termination ISP

Termination
H.323 VoIP Gateway
E1 Bulk Wholeseller
Partnering for Origination and Termination

Cisco Systems
Quintum

None

Voipxchange

ElDorado Telecommunications

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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