Users Manual
SME VOIP SYSTEM GUIDE 1.1 40 | P a g e
Proprietary and Confidential
PARAMETER
DEFAULT VALUES
DESCRIPTION
ENABLE STUN
Disabled
Enable to use STUN
STUN SERVER NA Permitted value(s): AAA.BBB.CCC.DDD (Currently only Ipv4 are
supported) or URL (e.g.: firmware.rtx.net).
STUN BINDTIME
DETERMINE
Enabled
STUN BINDTIME
GUARD
80 Permitted values: Positive integer default is 90, unit is in seconds
ENABLE RPORT Disabled Enable to use RPORT in SIP messages.
KEEP ALIVE TIME 90 This defines the frequency of how keep-alive are sent to maintain NAT
bindings.
Permitted values: Positive integer default is 90, unit is in seconds
SIP/RTP Settings
These are some definitions of SIP/RTP settings:
Screenshot
PARAMETER DEFAULT VALUES DESCRIPTION
USE DIFFERENT
SIP PORTS
Disabled If disabled, the Local SIP port parameter specifies the source port used for
SIP signaling in the system.
If enabled, the Local SIP Port parameter specifies the source port used for
first user agent (UA) instance. Succeeding UA’s will get succeeding ports.
RTP COLLISION
DETECTION
Enabled Enable: If two sources with same SSRC, the following RTX is discarded.
Disabled: No check
–
device will accept all sources.
ALWAYS
REBOOT ON
CHECK-SYNC
Disabled
Reboot Base station when new configuration I loaded.
OUTBOUND
PROXY MODE
Use Always
Use Always: All outbound calls are sent to outbound proxy
Only Initial request: Only use outbound proxy for initial SIP requests