Vivek Inc India

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General office

Vivek Inc
31, H R
Madras
TN ,600103
India

Phone: 22439456
Phone: 22439456

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

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Consultancy Services
SIP Softswitch & CPE
SIP VoIP Gateway
Termination

Audiocodes
Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways
Cisco Systems
Quintum

Proprietary

Aaalpha Voip solution

Kalachekra

Providers in database: 6433

Push to Talk (PTT)

This is a way of communicating on the half-duplex communication line, includes receiving and transmitting devices (walkie-talkie) by the way of pressing the button for switching to the voice mode or transition to the listening mode. It works as a radio speaker; one can talk by pressing the button and can listen to a voice message by releasing the button.

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