Comtat Russia

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General office

Comtat
Moskovskaia st 15
Kazan
Tatarstan ,420008
Russia

Phone: +7 432 644806
Phone: +7 435 338421
Site: http://www.comtat.ru

Contact Person

Alexey Ioudine / ingeneer
Phone: +7 843 2644806

Hardware
Internet Telephony Service Provider
Network Service Provider
Voip Termination ISP

Gatekeepering
H.323 Softswitch & CPE
H.323 VoIP Gateway
Installation and Support Services
SIP Softswitch & CPE
SIP VoIP Gateway
Termination

Cisco Systems

Java Based own system

CIS VoIP

Business Svyaz Holding

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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