Fujian Stelcom Information & Technology Co., Ltd. China

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General office

Fujian Stelcom Information & Technology Co., Ltd.
5/F. Building B Start Science Technology City
Fuzhou
Fujian ,350002
China

Phone: 8659183758711
Phone: 8613850189560
Site: http://www.stelcom.cn

Contact Person

Golden Kim / sales
Phone: 8613850189560
Phone: 8613850189560

Hardware
International VoIP Wholesale Provider
Voip consulting

Call Routing VoIP Solutions
Collaboration
Consultancy Services
Installation and Support Services
IP devices
Partnering for Origination and Termination
Phone To Phone
Project Mangement Services
SIP VoIP Gateway
System Integration
Termination

Cisco Systems

Billing system of own development
IP Phone
Our Own ASP Solution

ATOP Tecnology Co., Ltd

Hybertone Technology co.,ltd.

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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