Version 7.2 1297 Mediant 800B Gateway & E-SBC
User's Manual 72. Configuration Parameters Reference
Parameter Description
packet is assigned to a source IP Group (and
subsequently processed) as follows:
The source SRD is determined according to
the SIP Interface to where the SIP-initiating
dialog request is sent. The source IP Group is
set to the default IP Group associated with this
SRD.
If the source SRD is ID 0, then source IP
Group ID 0 is chosen. In case of any other
SRD, then the first IP Group associated with
this SRD is chosen as the source IP Group or
the call. If no IP Group is associated with this
SRD, the call is rejected.
SBC Max Call Duration
configure voip > sbc settings > sbc-mx-call-
duration
[SBCMaxCallDuration]
Defines the maximum duration (in minutes) per SBC
call (global). If the duration is reached, the device
terminates the call.
The valid range is 0 to 35,791, where 0 is unlimited
duration. The default is 0.
Note: You can also configure this functionality per
specific calls, using IP Profiles
(IpProfile_SBCMaxCallDuration). For a detailed
description of the parameter and for configuring this
functionality in the IP Profiles table, see 'Configuring
IP Profiles' on page 436. If this functionality is
configured for a specific IP Profile, the settings of this
global parameter is ignored for calls associated with
the IP Profile.
SBC No Answer Timeout
configure voip > sbc settings > sbc-no-arelt-
timeout
[SBCAlertTimeout]
Defines the timeout (in seconds) for SBC outgoing
(outbound IP routing) SIP INVITE messages. If the
called IP party does not answer the call within this
user-defined interval, the device disconnects the
session. The device starts the timeout count upon
receipt of a SIP 180 Ringing response from the called
party. If no other SIP response (for example, 200 OK)
is received thereafter within this timeout, the call is
released.
The valid range is 0 to 3600 seconds. the default is
600.
configure voip > sbc settings > num-of-
subscribes
[NumOfSubscribes]
Defines the maximum number of concurrent SIP
SUBSCRIBE sessions permitted on the device.
The valid value is any value between 0 and the
maximum supported SUBSCRIBE sessions. When set
to -1, the device uses the default value. For more
information, contact your AudioCodes sales
representative.
Note:
For the parameter to take effect, a device reset is
required.
The maximum number of SUBSCRIBE sessions
can be increased by reducing the maximum
number of SBC channels in the License Key. For
every reduced SBC session, the device gains two
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