Unicast/Multicast Paging Mode
Description
IP Terminals can receive an Internal Page via a Unicast or Multicast packet based upon system
programming. This feature allows IP Terminals to be assigned to Unicast Mode, Multicast Mode, or
Auto.
When the phone is set to
Unicast Mode
the internal paging is sent to the phone via a Unicast Packet.
When the phone is set to
Multicast Mode
the internal page is sent to the phone via a Multicast
Packet.
When the phone is set to Auto, the internal page is sent to the phone either by Multicast or Unicast
based on the subnet of the IP station. If the terminal is in the same subnet as the VoIPDB then it will
receive the Internal Page via a Multicast Packet. If the terminal is in a different subnet than the
VoIPDB the IP Terminals will receive the Internal Page via a Unicast Packet.
When phones are set to receive Unicast packets the VoIPDB will send a separate RTP stream to each
phone that is set to receive the page. E.g. If there are five IP Terminals in the page group and they are
all set to Unicast Page Mode the VoIPDB will send five separate RTP streams utilizing five DSP
resources.
When the phones are set to receive Multicast packets the VoIPDB will send one RTP stream. Multicast
is a protocol that allows one device to communicate to multiple devices without the need to stream to
the individual end point. E.g. If there are five IP Terminals in the page group that are set to Multicast
Mode, the VoIPDB will send one RTP stream utilizing only one DSP resource.
Mode: Multicast
Mode: Multicast
Mode: Multicast
Mode: Multicast
ESI
VoIPDB
Multicast
Subnet 2
Subnet 1
IP
IP
IP
IP
IP
or
TDM
Paging Group
Multicast packet Relay function
is required to relay the multicast
packet of paging.
Figure 1-47 Multicast Mode Example
ISSUE 1.0
SL2100
Features and Specifications Manual
1-851
U
Содержание UNIVERGE SL2100
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Страница 300: ...5 Press Speaker key to hang up SL2100 ISSUE 1 0 1 286 Distinctive Ringing Tones and Flash Patterns D ...
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Страница 846: ...2 Press Hold key and talk with the party SL2100 ISSUE 1 0 1 832 Tone Override T ...
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