ShoreTel IP100 Spezifikationen Seite 27

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Chapter 2: ShoreTel Architecture Reference
ShoreTel Maintenance Guide 19
Each ShoreWare server uses a SoftSwitch to participate in the system’s distributed call
control. The SoftSwitch communicates with other ShoreGear voice switches using UDP
ports 5440, 5441, 5442, 5443, 5445, and 5446. These ports are connected when the
SoftSwitch is communicating with any other ShoreGear voice switch.
Switches and servers send and receive voice media using the RTP protocol on UDP port
5004. Media streams are established each time a connection between the server and
switches is needed to send audio between the devices.
ShoreGear voice switches can be configured to boot using FTP as a boot source. This
fallback method allows the switch to boot should its flash memory fail. When a switch is in
boot from FTP mode, it downloads its operating system and call control software using
FTP.
You can run switch diagnostics from the server using the ShoreTel tool ipbxctl. This tool
runs a set of commands on the switch and sends the output to the server using TCP port
5555. This port is only used for the time needed to send the output.
Telnet connection to the ShoreGear voice switches is via the standard TCP port 23.
DHCP is used to set the IP parameters of the switch at boot up.
The following table illustrates the ports used for server to switch and switch to server
communications.
Protocol Transport
Source
Port
Destination
Port Description
RPC TCP 111 Used by SunRPC Port Mapper to negotiate TCP/UDP
ports for TMS-to-switch communications.
RPC UDP 111 Used by SunRPC Port Mapper to negotiate TCP/UDP
ports for TMS-to-switch communications.
RPC TCP Dynamic 1024 - 65535 Used by Network Call Control to pass call status and
control messages from the switch to the TMS. Ports are
negotiated at startup and whenever the network
connection is established.
RTP UDP Dynamic 5004 Used to transport media steams to and from the
ShoreGear voice switches, ShoreWare server, IP phones,
and conference bridge ports.
Call Control UDP 5440 5440 Location Service Protocol
Call Control UDP 5441 5441 Used by ShoreTel Call Control protocol to send call
control information between the ShoreGear voice switch
and the server SoftSwitch.
Call Control UDP 5442 5442 Used by Distributed Routing Service to route inter-site
calls.
Call Control UDP 5443 5443 Used by the Bandwidth Manager to communicate the
bandwidth currently in use on the ShoreGear voice
switch.
Call Control UDP 5445 5445 Used by the Admission Control Manager.
Call Control UDP 5446 5446 Used by Distributed Routing Service to route inter-site
calls.
TCP Dynamic 5555 Used to pass output back to the server when commands
are sent to the switch using the ipbxctl diagnostic tool on
the ShoreWare server.
Table 2-1 Server to Switch and Switch to Server Communication Ports
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