Installation and Reference Manual
Glossary
348
Installation and Reference Manual v3.2/0410/6
features are supported for SIP end point devices; Simple Call Transfer - Refer Method (RFC 3515), Message
Waiting Indication (RFC 3842), Session Timers (RFC 4028), RTP Payload for DTMF Digits (RFC 2833).
In telecommunications, a switch is a network device that selects a path or circuit for sending a unit of
data to its next destination. A switch may also include the function of the router, a device or program that
can determine the route and specifically what adjacent network point the data should be sent to. In
general, a switch is a simpler and faster mechanism than a router, which requires knowledge about the
network and how to determine the route.
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