KOL TELECOM SERVICES LLC United States
A VoIP whole suite supplier
Contact on Skype: alanj.kol
General office
KOL TELECOM SERVICES LLC
2711 Centreville Road, Suite 400
Wilmington
DE ,19808
United States
Phone: 13022952746
Site: http://www.koltelecom.com
Contact Person
Alan John / Regional Sales Head
Phone: +1 302 295 2746 ext.
KOL TELECOM SERVICES LLC
2711 Centreville Road, Suite 400
Wilmington
DE ,19808
United States
Phone: 13022952746
Site: http://www.koltelecom.com
Contact Person
Alan John / Regional Sales Head
Phone: +1 302 295 2746 ext.
- A-Z Termination
- Billing and Routing Solution
- Cloud-based Unified Communications Service Provider
- did numbers provider
- Hosted PBX Service Provider
- Hosted VoIP billing service provider
- International VoIP Wholesale Provider
- Mobile VoIP
- VoIP Billing Software Provider
- Voip consulting
- wholesale VoIP
- Wholesale VoIP Carrier
Not data
- 3CX Phone System
- Asterisk
- Cisco Systems
- D-LINK
- Digium
- grandstream
- Quintum
- Wholesale VoIP services
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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