
BCM INTEROPERABILITY WITH COMMUNICATION SERVER 1000 AND MERIDIAN 1 WITH IP TRUNK
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ERSION 5.2 JUNE 2007 PAGE 11 OF 20
Table 6: Known H.323 Interop Issues Between BCM and CS1000 Release 4.5 and 4.0
Known Issues with
CS1000 4.5 and 4.0
Description BCM 3.7 and BCM 4.0 and
BCM50R1 BCM50R2
Advertised Codec Payload Configuration Supported Supported Support for
Multiple Codecs,
Payload Sizes
Notes:
• As per the previous release(s) of BCM, CS1000, and Meridian 1 with IP Trunk, for
optimum BCM to Communication Server 4.5/4.0 and IP Trunk 3.01 interoperability,
the codec settings must be coordinated for all H.323 and Unistim endpoints in the
network, particularly if H.323 tandem call scenarios are anticipated (such as blind
transfers). Payload sizes must match across the network.
• Refer to
Table 8 for details on codec configuration rules and diagnostic information.
T. 38 Fax detection & renegotiation Supported Supported T.38 Fax over IP
Notes:
• Note that BCM and IP Trunk 3.01 allow the use of V.34 based faxed machines,
(although they do reject V.34 negotiation attempts) while CS1000 does not.
TRO - BA (Before Answer):
(Pre -Succession 3.0 feature)
Supported Supported MCDN Networking:
TRO - CM (Call modification)
(New Succession 3.0 feature)
Not
Supported
Not
Supported
Notes:
• TRO-CM works as follows in a mixed Succession 4.5/4.0 and BCM VoIP
environment:
o When BCM is a transferring party node (B), TRO-CM does not work; the Media is
direct (A to C), but a tandem Signaling path is maintained (A to B to C).
o If BCM is originating or terminating node (A or C), TRO-CM does not work; the
Media is direct (A to C), but a tandem Signaling path is maintained (A to B to C).
o TRO-CM does not work in Succession 4.0/3.0 for Blind Transfer calls to a station
that is Call Forward No-Answer. The transferring user must remain on the
transferred call until it is answered to ensure that TRO-CM will optimize the call
when the Call Transfer is completed.
o TRO – BA and TRO – CM depend on implementation of a perfectly coordinated
(CDP) and/or uniform (UDP) dialing plan across all nodes in the private IP
Telephony network.
o All Succession 4.0/3.0 and IP Trunk 3.01 routes must be configured to enable
automatic insertion of UDP access codes (INAC = YES) in order for UDP Location
Codes to work with TRO. All nodes must send TRO-BA Offer and TRO-CM
Invoke messages with the correct NPI/TON values for the destination telephone
number.
o In Succession 4.0/3.0 and Meridian 1 with IP Trunk, all network translations where
TRO is required must point to a Route List Block (RLB) with an ENTR 0 that
contains an IP Peer Virtual Trunk or IP Trunk 3.01 route with idle trunk members
o
Trunk Anti-Tromboning (TAT)
(Pre -Succession 3.0 implementation)
Supported Supported
Trunk Anti-Tromboning (TAT) BCM 3.7:
Supported
Supported
BCM50R1:
(Succession 3.0 enhancement)
Not directly
Supported
(See notes)
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