FRATELCOM LDA Angola

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General office

FRATELCOM LDA
Rua Belo Monte, Casa Nr 3 Bairro Populare
Luanda
Luanda ,12
Angola

Phone: +244222265118
Site: http://www.fratelecom.info

Contact Person

CASTRO LUFO / GEN MANAGER
Phone: +244924166066
Phone: +244924166066

Hardware
International VoIP Wholesale Provider
SIP Billing
Voip Termination ISP

Call Routing VoIP Solutions
Collaboration
H.323 VoIP Gateway
Installation and Support Services
IP devices
Partnering for Origination and Termination
PC to Phone
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Cisco Systems
DSG
Quintum
Senao

another

LAMTEL

Euroangola

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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