Version 2.1 (May 2016) 56
Picture 7-4 multicast management
IP Telephony 8.
8.1. Introduction to IP Telephony
IP telephony, namely voice over Internet Protocol (VoIP), is also called broadband
telephony or Internet telephony. It utilizes Internet Protocol (IP) network technologies to
implement voice communication. During a VoIP call, voice signals are digitized, encoded,
packetized, and transmitted as packets over a network. On the receiving side, the packets
are then decoded, and digital signals are converted to reproduce the original voice streams,
which can be heard by the called party. Different from traditional PSTN calls, VoIP calls are
transported over IP networks, meaning voice streams are transmitted over users' existing
broadband Internet. This makes full use of broadband resources.
8.2. Configuring VoIP
The HA35 supports VoIP. You can place VoIP calls after your phone is connected to the
Phone port on the HA35.
Choose Telephony -->VoIP to display the VoIP provider page, as shown in Picture 8-1
VoIP providers.
To use the HA35 to place VoIP calls, ask your network service provider to activate VoIP
services for you. By default, your network service provider will have all related
parameters, such as the VoIP account and address, set for you. You will not need to
configure any settings to place VoIP calls.
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