System Guide

SME VOIP SYSTEM GUIDE 4.7 39 | P a g e
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5.5.6 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
FAILOVER SIP
TIMER B
5
When the time expires and the corresponding SIP transaction fails,
failover will be triggered
FAILOVER SIP
TIMER F
5
When the time expires and the corresponding SIP transaction fails,
failover will be triggered
LOCAL SIP PORT
5060
The source port used for SIP signaling
Permitted values: Port number default 5060.
SIP TOS/QOS
0x68
Priority of call control signaling traffic based on both IP Layers of Type of
Service (ToS) byte. ToS is referred to as Quality of Service (QoS) in packet-
based networks.
Permitted values: Positive integer, default is 0x68
RTP PORT
50004
The first RTP port to use for RTP audio streaming.
Permitted values: Port number default 50004 (depending on the setup).
RTP PORT
RANGE
254
The number of ports that can be used for RTP audio streaming.
Permitted values: Positive integers, default is 254
RTP TOS/QOS
0xB8
Priority of RTP traffic based on the IP layer ToS (Type of Service) byte. ToS
is referred to as Quality of Service (QoS) in packet-based networks.
See RFC 1349 for details. “cost bit” is not supported.
o Bit 7..5 defines precedence.
o Bit 4..2 defines Type of Service.