Cyber Tel Iran

Cyber Tel Communication is one of the first voice over IP(VOIP) providers in Tehran-Iran.
Our company started out by providing phone to phone international calling services and has since expanded its operation to incorporate the latest technologies in IP telephony. We offer one of the best calling rates internationally with exceptional voice quality through fiber optic channels. Since its establishment in June 2000 Cyber Tel has also expanded services to include: Internet Solutions, Web hosting and Domain registration, and Network solutions.

We specialize in identifying your need, designing and implementing a solution to best fit that need. We offer competitive rates, customer support, and exceptional quality on all of our services.

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General office

Cyber Tel
Resalat highway-north ostad hassan banna ave. 4-th golestan st. no 7
Tehran
,16719
Iran

Phone: +98 (0) 21-22303670
Site: http://www.cyber-tel.net

International VoIP Wholesale Provider
Internet Telephony Service Provider
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Billing system of own development
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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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