Frontier International Co., Ltd China
General office
Frontier International Co., Ltd
Room 1712, Floor 17 Post Tower, No.2899 Zhangyang Road, Pudong Shanghai
Shanghai
,200136
China
Phone: +86 21 38710096
Site: http://www.frontiercorp.com.cn
Contact Person
Melody Guo / Sales
Phone: +86 21 38710096
Frontier International Co., Ltd
Room 1712, Floor 17 Post Tower, No.2899 Zhangyang Road, Pudong Shanghai
Shanghai
,200136
China
Phone: +86 21 38710096
Site: http://www.frontiercorp.com.cn
Contact Person
Melody Guo / Sales
Phone: +86 21 38710096
- Hardware
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Network Service Provider
- SIP Billing
- VoIP Billing Software Provider
- Voip consulting
- Billing Software
- Collaboration
- Installation and Support Services
- IP devices
- SIP Softswitch & CPE
- SIP VoIP Gateway
- System Integration
- Dialogic Based
- Billing system of own development
- IP Phone
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.
Vcentrix, Inc.
Founded in early 2002 vCentrix provides a full suite of back office services, hardware, services and calling products for wholesale carriers, CLECs, MSO and ISPs to easily and quickly become VoIP service providers. vCentrix offers a world class VoIP netwo
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