Telewise Group China

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General office

Telewise Group
18B, Guanhaige,Jinxiuhuayuan
ShenZhen
Guangdong ,518053
China

Phone: 0086-755-26940161
Site: http://www.call28.com

Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
VoIP Billing Software Provider
Voip Termination ISP

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Collaboration
Data Conferencing
E1 Bulk Wholeseller
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Outsourced Billing
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
Project Mangement Services
System Integration
Termination
Voice and Video Conferencing
Web Call
Web To Phone

Cisco Systems

Billing system of own development

Jielun Science and Technology Science

Asiamedia Data Communication

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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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IntelePeer

IntelePeer is a leading provider of SIP trunking carrying over 25 billion minutes of traffic annually. Our cloud communications services and SIP trunking make it easy for contact centers and enterprises to connect using IP communications.