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JUNOS OS 10.4 Release Notes
90
Integrated Convergence Services
The Integrated Convergence Services features listed in this section are supported on
SRX210 and SRX240 devices with Voice capability.
Accounting feature—You can configure Integrated Convergence Services to collect
and generate accounting information for successful and unsuccessful voice subscriber
transactions. The voice daemon generates and collects accounting data about calls
made and received between Session Initiation Protocol (SIP), Foreign Exchange Station
(FXS), and Foreign Exchange Office (FXO) stations.
You can use the accounting feature for calls made when the SRX Series media gateway
(SRX Series MGW) is in control or when the SRX Series survivable call server (SRX
Series SCS) is in control.
[Junos OS Integrated Convergence Services Configuration and Administration Guide]
Call park—The call park feature allows users to park an active call and pick up their
call or that of another user later. To use the call park feature, you configure a primary
logical extension, which you can think of as a parking lot. You must also configure a
range of logical extensions following the primary one that are used to park individual
calls.
When you handle a call, you can transfer it to the parking lot without the caller hearing
the transfer process. When you park the call, you are told the logical extension number
of the parking slot before your connection to the call is dropped. You or another user
can pick up the call and resume the conversation from any phone by calling the
extension number of the parking slot.
This feature is supported when the SRX Series SCS is in control. Under normal conditions
when it is reachable, the peer call server provides this service if it is supported.
[Junos OS Integrated Convergence Services Configuration and Administration Guide]
Defining a SIP registrar address separate from the peer call server—By default, the
SIP registrar and the peer call server (SIP server) are handled by the same service and
therefore have the same address. Under these circumstances, the SRX Series MGW
sends SIP REGISTRAR and INVITE messages to the IP address configured for the peer
call server.
[Junos OS Integrated Convergence Services Configuration and Administration Guide]
Direct inward dialing lists—You can associate a list of direct inward dialing (DID)
numbers with a trunk to be used for assignment to stations. You do not need to assign
these DIDs to stations directly. The software assigns a DID number to a single station
exclusively. If an incoming call is made to an unassigned DID number, it is directed to
and handled by auto-attendant.
[Junos OS Integrated Convergence Services Configuration and Administration Guide]
Disabling SIP registration to the peer call server—The SRX Series MGW sends
registration messages to the peer call server. For some network environments in which
all media gateways are known to the peer call server, the SRX Series MGW is not
required to register to it. To do so could cause complications. For example, the peer
call server could drop the registration message "silently," that is, without informing the
Copyright © 2011, Juniper Networks, Inc.
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