User's Manual 866 Document #: LTRT-10466
Mediant 500L MSBR
Parameter Description
Web: PSTN Alert Timeout
EMS: Trunk PSTN Alert
Timeout
CLI: pstn-alert-timeout
[PSTNAlertTimeout]
Digital: Defines the Alert Timeout (in seconds) for calls sent to the
PSTN. This timer is used between the time a Setup message is sent
to the Tel side (IP-to-Tel call establishment) and a Connect message
is received. If an Alerting message is received, the timer is restarted.
If the timer expires before the call is answered, the device
disconnects the call and sends a SIP 408 request timeout response
to the SIP party that initiated the call.
Analog: Defines the Alert Timeout (in seconds) for calls to the Tel
side. This timer is used between the time a ring is generated (FXS)
or a line is seized (FXO), until the call is connected. For example: If
the FXS device receives an INVITE, it generates a ring to the phone
and sends a SIP 180 Ringing response to the IP. If the phone is not
answered within the time interval set by this parameter, the device
cancels the call by sending a SIP 408 response.
The valid value range is 1 to 600 (in seconds). The default is 180.
Note: If per trunk configuration (using TrunkPSTNAlertTimeout) is
set to other than default, the PSTNAlertTimeout parameter value is
overridden.
Web/EMS: RTP Only Mode
CLI: rtp-only-mode
[RTPOnlyMode]
Enables the device to send and receive RTP packets to and from
remote endpoints without the need to establish a SIP session. The
remote IP address is determined according to the Outbound IP
Routing table (Prefix parameter). The port is the same port as the
local RTP port (configured by the BaseUDPPort parameter and the
channel on which the call is received).
[0] Disable (default)
[1] Transmit & Receive = Send and receive RTP packets.
[2] Transmit Only= Send RTP packets only.
[3] Receive Only= Receive RTP packets only.
Notes:
To configure the RTP Only mode per trunk, use the
RTPOnlyModeForTrunk_x parameter.
If per trunk configuration (using the RTPOnlyModeForTrunk_ID
parameter) is set to a value other than the default, the
RTPOnlyMode parameter value is ignored.
[RTPOnlyModeForTrunk_x] Enables the RTP Only feature per trunk. The x in the parameter
name denotes the trunk number, where 0 is Trunk 1. For a
description of this parameter, see the RTPOnlyMode parameter.
Note: For using the global parameter (i.e., setting the RTP Only
feature for all trunks), set this parameter to -1 (default).
Web/EMS: Media IP Version
Preference
CLI: media-ip-ver-pref
[MediaIPVersionPreference]
Global parameter that defines the preferred RTP media IP
addressing version (IPv4 or IPv6) for outgoing SIP calls. You can
also configure this functionality per specific calls, using IP Profiles
(IpProfile_MediaIPVersionPreference). For a detailed description of
this parameter and for configuring this functionality in the IP Profile
table, see Configuring IP Profiles on page 332.
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