Link Configuration
RTP Send Port Number This is the IP port number used to send Real Time Protocol (RTP) which conveys
Voice-over-IP. This should match the RTP Send Port Number of the paired link.
The RTP port number must be even because the companion RTCP service uses the
next/odd numbered port.
Valid range 0-65535. Default 4000.
TCP Command Link
Receive Port
This parameter is only available if IP Protocol is set to Zetron.
This is the port number this device will listen to for an incoming link connection.
The other unit’s Send Port must match this.
This port number is used to receive Transmission Control Protocol messages,
which convey I/O state and RS-232 data among other things.
Valid range 0-65535. Default 6060.
IP Send Address This is the IP address to which IP messages are sent. This must match the IP
address of the remote paired Model 6300 (or BSI-compatible device if in BSI-
mode).
The IP address may instead contain a web address/URL if a DNS server is
specified. A full URL must be used including the domain name. For example:
name.example.com
Default 192.168.0.2.
SIP Send Port Number The port number used to send Session Initiation Protocol (SIP) messages, which
control Push-to-Talk (PTT) among other things. This should match the SIP Send
Port Number of the paired link.
Valid range 0-65535. Default 5060.
TCP Command Link
Send Port
This parameter is only available if IP Protocol is set to Zetron.
This is the port number on the other device in the link this unit will send to. It
must match the other unit’s Receive Port.
This port number is used to send Transmission Control Protocol messages, which
convey I/O state and serial data among other things.
Valid range 0-65535. Default 6060.
Heartbeat Period This parameter is only available if IP Protocol is set to Zetron.
Heartbeat is used during idle periods to verify that the IP path between paired
links is present. This parameter specifies how frequently the heartbeat is sent.
Valid range 1 to 60 seconds. Default 5.
Heartbeat Retries This parameter is only available if IP Protocol is set to Zetron.
If a heartbeat is not acknowledged this device will repeat the attempt by the
number specified here before it declares loss of path with the paired link.
Valid range 1 to 1000 retries. Default 5.
Forced Reconnect Forced Reconnect reestablishes a lost IP connection while the remote source is
active. This is especially useful when the link is monitoring traffic of long or
continuous duration, such as weather radio. If not enabled, a link will not be
40 025-9631D.1
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