
BCM INTEROPERABILITY WITH COMMUNICATION SERVER 1000 AND MERIDIAN 1 WITH IP TRUNK
V
ERSION 5.2 JUNE 2007 PAGE 20 OF 20
Known SIP Issues
with CS 1000
Release 4.0 and 4.5
Description BCM 4.0
and
BCM50R2
Trunk Anti-Tromboning (TAT)
(Succession 3.0 enhancement)
Supported MCDN Networking:
Interop with ESN5 Signaling
(cont’d)
Notes:
• Communication Server 4.5/4.0 and Meridian 1 with
IP Trunk use ESN5 signaling with MCDN to signal
the Network Class of Service (NCOS) of the
originating terminal among Succession 4.5/4.0 nodes
in order to control access to PSTN trunk facilities at
a remote Call Server and Media Gateway.
• The Nortel Networks Interoperability format
introduced in Succession 2.0 supports an extended
ESN5 Information Element in the Non-standard data
of the H.225 Call Setup message, but BCM does not
send optional ESN5 Information Element in the
H.225 Call Setup message.
• If ESN5 signaling is enabled on a Succession 4.5/4.0
IP Peer virtual trunk route, you must configure an
appropriate default NCOS value for incoming calls
in Element Manager from BCM to a Virtual Trunk
route that has ESN5 signaling enabled.
• Succession 4.5/4.0 IP Peer SIP Gateways insert a
default NCOS value in the ESN5 prefix for calls
received from BCM without the extended ESN5
information element.
Not Supported
VPNI IE for Bandwidth Management Zone signaling
BCM
Notes:
:
Not Supported
• Communication Server 4.5/4.0 provides an optional
MCDN Information Element that signals the Virtual
Private Network Identifier and the Bandwidth
Management Zone over IP Peer Virtual Trunk routes
to allow Call Servers to coordinate codec selection
appropriately for different Internet Telephones
depending on network location. This VPNI IE is not
generated or used on BCM systems. In SRG mode,
this VPNI IE is generated so that the
Communication Server 4.5/4.0 can determine which
zone calls are originated or destined for bandwidth
management. However, SRG does not process any
incoming VPNI IE and does not provide bandwidth
management capabilities.
SRG
:
Partially
Supported
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