Multiline Sarl France
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- Collaboration
- E1 Bulk Wholeseller
- H.323 Softswitch & CPE
- SIP Softswitch & CPE
- Termination
- Audiocodes
- Cisco Systems
- Dialogic Based
- Micronet
- Vegastream
- Billing system of own development
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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