What is VoIP voice?

What is VoIP voice

Voice over IP (English: Voice over Internet Protocol, abbreviated as VoIP) is a voice call technology that uses Internet Protocol (IP) to achieve voice calls and multimedia conferences, that is, communicate via the Internet. Other informal names are IP telephony, Internet telephony, broadband telephony, and broadband phone service.

VoIP can be used for many Internet access devices, including VoIP phones, smartphones, and personal computers, to make calls and send text messages via cellular networks and Wi-Fi.

 

There are three main ways of VoIP:

  1. VoIP: A voice call based entirely on Internet transmission, usually a call between a PC and a PC.
  2. IP phone interconnected with the public telephone network: Voice transmission is realized through broadband or a dedicated IP network. The terminal can be a PC or a reliable IP phone.
  3. VoIP services of traditional telecom operators: Voice transmission through the backbone IP network of telecom operators. The services provided are still conventional telephone services, using traditional phone terminals, using an IP phone card, or adding an IP dial prefix before the dialed phone number uses the VoIP service provided by the telecom operator.

There are three main ways of VoIP

 

ONU’s VoIP voice client

The voice interface on the ONU is the interface of the IP phone, generally called the RJ11 interface, VOIP interface, and POTS interface. It mainly receives and sends the analog electrical signal when the telephone is talking. The ONU’s voice chip will convert the analog electrical signal into an IP data message and transmit it on the network. Currently, the world’s mainstream VOIP protocol is the SIP protocol. H.248 is also a voice protocol, but not many currently use this protocol. The company’s self-developed ONU software does not support the H.248 protocol.

ONU's VoIP voice client

 

The ONU’s VOIP client can usually be used. To enable the phone connected to the voice port to make a regular call, the following basic configuration process is required:

Step 1: ONU must be successfully registered on the OLT

Step 2: The OLT must issue the configuration of related service channels to the ONU, such as uplink bandwidth, service VLAN ID channel, and other configurations (ONU WAN configuration, DHCP/PPPOE, VLAN ID, Wi-Fi, and other arrangements are private configurations and use third-party chips. The developed ONU does not support)

Step 3: Log in manually to configure the wan connection and Vlan ID of the voice service on the ONU management web. Configure the information (such as phone number, server IP address and port, etc.) that the voice client registers with the server on the ONU.

Note: Chinese operators generally use TR069 for configuration or pre-fabricate these configurations into the ONU software by default when the ONU leaves the factory.

Overseas customers often log in remotely to the ONU management web for configuration.

Step 4: After the ONU is configured, the VOIP client on the ONU will register with the voice server. After the registration is successful, the phone can be received on the VOIP interface of the ONU, and the voice call service can usually be performed.

 

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