Nortel BCM50 User manual

AT&T IP Flexible Reach and AT&T IP Flexible Reach with AT&T Business in a Box
Nortel BCM50 Release 3 0 SIP Configuration Guide
*Nortel, Nortel Networks, Nortel (Logo), the Globemark, CS1000 are trademarks of Nortel Networks.
Issue 1 5 Page 1 of 38
AT&T VoIP
Nortel BCM50 Release 3.0 SIP
Configuration Guide
or Use with AT&T IP lexible Reach
And
AT&T IP lexible Reach with AT&T Business in a BoxSM
Issue 1.5
09/15/2010

AT&T IP Flexible Reach and AT&T IP Flexible Reach with AT&T Business in a Box
Nortel BCM50 Release 3 0 SIP Configuration Guide
*Nortel, Nortel Networks, Nortel (Logo), the Globemark, CS1000 are trademarks of Nortel Networks.
Issue 1 5 Page 2 of 38
TABLE O CONTENTS
1 Introduction 4
1 1 Pre-IP PBX Configuration Activity 4
1 2 Customer Questions 4
1 3 Trouble Reporting 5
1 4 Document Feedback 5
1 5 Document Change History 5
2 Special Notes 7
3 Overview 9
4 Configuration Guide 12
4 1 Nortel BCM50 Version and Feature Requirements 12
4 2 IP Trunks 14
4 3 SIP Proxy Parameters 21
4 3 1 Failover to Secondary AT&T IP Border Element (IPBE) – NOT
SUPPORTED ON AT&T IP Flexible Reach with AT&T BUSINESS IN A BOX 22
4 4 Media Parameters 24
4 5 SIP URI Map 26
4 6 Port Ranges 26
4 7 Configuring Outgoing Calls from BCM50 to AT&T IP Flex Reach 28
4 8 Configuring Incoming Calls from AT&T IP Flex Reach to BCM50 29
5 Troubleshooting 32
5 1 System Monitoring with BCM Monitor 32
5 2 Real-time display of BCM50 Alarms 35
5 3 Log Management 36
6 APPENDIX A: Configuring Destination Code with Wildcard 37

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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TABLE O IGURES
Figure 1: AT&T BVoIP Network 9
Figure 2: BCM50 Software Version Number 12
Figure 3: BCM50 Lists of Applied Patches 13
Figure 4: Available VoIP Trunks 15
Figure 5: Application Resource availability of SIP (or IP) Trunks 15
Figure 6: Assigning Line Pool to IP Trunks 16
Figure 7: Assigning DN to Line Pool 16
Figure 8: Configuring General DN Length 17
Figure 9: Configuring Public Received Number Length and Dialing Plan 17
Figure 10: Configuring Private Received Number Length 18
Figure 11: Assigning a Route for IP Trunks 19
Figure 12: Assign Code to Access IP Trunk Routes 20
Figure 13: Selecting IP Trunk Module 21
Figure 14: Sip Proxy Parameters 21
Figure 15: Outbound Proxy Table for failover to secondary AT&T IPBEs 22
Figure 16: SIP Media Parameters 24
Figure 17: Configuring analog DNs for fax 25
Figure 18: Media Gateway Port Ranges 27
Figure 19: Configuring DID for Outgoing Calls 28
Figure 20: Configuring DID for Incoming Calls 29
Figure 21: Display DID on IP Set LCD 30
Figure 22: Assign Line Pool to IP Sets 31
Figure 23: System Monitoring Example 32
Figure 24: IP Device Listing 33
Figure 25: RTP Session Information 33
Figure 26: Line Monitor Information 34
Figure 27: System Resources 34
Figure 28: BCM50 Alarms Page 35
Figure 29: Log Management 36
Figure 30: Configuring Destination Code with Wildcard 37

AT&T IP Flexible Reach and AT&T IP Flexible Reach with AT&T Business in a Box
Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 4 of 38
1 Introduction
This document provides a configuration guide to assist Nortel Networks BCM50
administrators in connecting to AT&T I Flexible Reach and AT&T I Flexible
Reach with AT&T Business in a BoxSM via SI trunks.
This document does not describe procedures to configure the BCM50
for advanced functionality. or more information and procedures,
please refer to the Nortel technical documentation found on the Nortel
website.
1.1 Pre-IP PBX Configuration Activity
This guide assumes that the administrator is knowledgeable in IP PBX
programming and operations.
An important tool that the administrators should have at their disposal prior to
testing their I BX with AT&T I Flexible Reach and AT&T I Flexible Reach
with AT&T Business in a Box is the Wireshark network protocol analyzer. This
software can be used to run traces on problem calls so the information can be
shared with equipment and network engineers. This free software can be
obtained at http://www.wireshark.org/.
The customer may also use TC DUM which can be found on most UNIX and
Linux systems. The customer should have Wireshark or TC DUM loaded on a
server that is connected to a LAN switch or hub that can monitor both the
signaling and media packets on any calls between the customer BX and the I
Flexible Reach managed router.
1.2 Customer Questions
Section 4 of this guide provides screen shots and instructions for the
configuration of your I BX. Should you have questions regarding these
instructions, please contact Brian Stegemoller at +1 (972) 685-6629 ((972) 745-
5139 after 2/22/2010). When calling this number please have the following
information available:
Company name
Company location

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 5 of 38
Administrator name and phone number
I BX name and software version
Customer Configuration Guide – Issue number and date
1.3 Trouble Reporting
Nortel and AT&T will make every effort to quickly resolve reported troubles. The
time required for trouble shooting can be reduced if the customer has the
necessary detailed information available when reporting a problem. rior to
reporting a problem please provide a Wireshark or TC DUM trace of the failed
call.
1.4 Document eedback
I BX administrators who would like to provide feedback on the contents of this
document should send it to Brian Stegemoller (brianstegemo@avaya.com) with a
copy to Al Chee (alchee@avaya.com) and Steven Chen
(stevenche[email protected]).
1.5 Document Change History
Issue 0.0 October 12, 2007; draft
Issue 0.1 November 12, 2007; draft
Edited Section 3: removed softphone support, added fax
support, added new screenshot for software version,
added sub-sections for Section 1
Issue 0.2 November 20, 2007;
Edited screenshots in Section 3 w/ updated patch list
Issue 0.3 November 27, 2007;
Edited fax configuration procedures (ATA device
settings)
Issue 0.4 November 29, 2007;
Added Special Notes section (received from Jim Amster)
Issue 0.5 December 5, 2007;
Added “SI ” after “BCM50 Release 3.0”, added contact
info in Section 1, explanation for software release in 4.1
Issue 0.6 December 12, 2007;
Further explanation for software release in 4.1 and VoI
trunk licenses in 4.2
Issue 0.7 August 10, 2008;

AT&T IP Flexible Reach and AT&T IP Flexible Reach with AT&T Business in a Box
Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 6 of 38
Added section for AT&T I Flexible Reach with AT&T
Business in a Box (changed title of document), removed
calling number privacy limitation in Section 2, patches in
4.1, changed network diagram and removed verbiage in
Section 3
Issue 0.8 August 25, 2008;
Added special notes in Section 2, and added important
note in Section 4.1
Issue 0.9 September 4, 2008;
Replaced “AT&T I Flexible Reach and AT&T I Flexible
Reach with AT&T Business in a Box networks” with
“BVoI network”
Issue 1.0 September 11, 2008;
Added phrases to distinguish between I Flexible Reach
(Cisco router) and BIB (EdgeMarc router)
Changed title for T.38 fax issue in Special Notes
Attached patch file to document
Changed header, footer and disclaimer note (end of
document)
Issue 1.1 October 1, 2008;
Added Section 4.5, SI URI explanation and screenshot
Issue 1.2 March 17, 2009;
Edits in Section 2 (T.38 fax support), patch list in 4.1
Issue 1.3 October 23, 2009;
Edit in Special Notes section
Issue 1.4 February 4, 2010
Changed Contact Information to Reflect AVAYA Details
Issue 1.5 September 15, 2010
Updated E911 Disclaimer

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 7 of 38
2 Special Notes
Emergency 911/E911 Services Limitations and Restrictions
Although AT&T provides 911/E911 calling capabilities, AT&T does not warrant or
represent that the equipment and software (e.g., I BX) reviewed in this
customer configuration guide will properly operate with AT&T I Flexible Reach
to complete 911/E911 calls; therefore, it is Customer’s responsibility to ensure
proper operation with its equipment/software vendor.
While AT&T I Flexible Reach services support E911/911 calling capabilities
under certain Calling lans, there are circumstances when that E911/911 service
may not be available, as stated in the Service Guide for AT&T I Flexible Reach
found at http://new.serviceguide.att.com. Such circumstances include, but are
not limited to, relocation of the end user’s C E, use of a non-native or virtual
telephone number, failure in the broadband connection, loss of electrical power,
and delays that may occur in updating the Customer’s location in the automatic
location information database. lease review the AT&T I Flexible Reach Service
Guide in detail to understand the limitations and restrictions.
BCM Soft Phones not currently supported
Nortel BCM soft phones are not currently supported with the AT&T I Flexible
Reach and AT&T I Flexible Reach with AT&T Business in a Box Services.
Ring back Issues with Unattended Transfers
An unattended transfer is one in which the party initiating the transfer hangs up
prior to answer by the party to whom the call is being transferred. When 2
phones are in an active call on the BCM50 and one of those phones performs an
unattended transfer to certain endpoints on the AT&T network, the BCM50
phone remaining on the call will not hear ring back prior to answer.
T.38 ax must be used
Nortel recommends using T.38 as the means to transport fax on the BCM50.
No NAT Device between BCM50 and BIB Managed Router
Due to a limitation in the AT&T Managed Business In a Box (BIB) Router
software, the network configuration at Customer remise CANNOT contain any
NAT device between BIB Router and BCM50 I - BX system. A network
configuration with a NAT device between BIB Router and BCM50 results into no
voice path for any direction calls.

AT&T IP Flexible Reach and AT&T IP Flexible Reach with AT&T Business in a Box
Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 8 of 38

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 9 of 38
3 Overview
This section provides a service overview of the Nortel Business Communication
Manager 50 (BCM50) I BX integration with AT&T I Flexible Reach and AT&T
I Flexible Reach with AT&T Business in a Box services.
Figure 1: AT&T BVoIP Network
The Nortel BCM50 customer premises site shall consist of the following
components.
• Nortel I 200x, 11xx, 12xx phones* – These phones use the Nortel
proprietary UNIStim signaling protocol to communicate to the Nortel
BCM50 I BX for call feature and routing support. These phones can be
connected to a Nortel Ethernet switch (ES 470, ERS 5520, etc.) that
supplies in-line power (IEEE 802.3af) to the phones.
Nortel BCM50
Private Side
Public Side
F X
Switch
Customer Site
T&T
Managed
Router
IP Border
Element
Customer Premises
Phones and IP PBX Server
in Private Address space
AT&T Managed Router
Customer Sites connect to ATT
IP Border Element (IPBE)
pplication
Servers,
Network
Gateways,
etc.
T&T
BVoIP
Network
PSTN

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 10 of 38
• The following interfaces are provided on all three variants of the BCM50
main module:
o 12 digital station ports supporting digital phones.
o 4 Analog Loop Supervised Trunks (NA networking standards).
o 4 Analog Station interfaces with message waiting and CLID
support.
o 3 port 10/100 Ethernet switch with auto sensing and auto polarity.
Two of these ports also support connection of optional expansion
units.
o 1 10/100 Ethernet port reserved for direct access management of
the system
o Integrated Call ilot voice mail system
* RFC2833 DTMF is currently not supported on the I Softphone 2050; thus the
I Softphone 2050 is not supported for AT&T I Flexible Reach and AT&T I
Flexible Reach with AT&T Business in a Box services. This will be fixed in the
next major release of the I Softphone 2050 (release 3).
The following routing scenarios are supported by the Nortel BCM50 I BX and
DO NOT use the AT&T Call Control.
• Local Nortel BCM50 phone to other local Nortel BCM50 phone
The following routing scenarios are supported by the Nortel Networks BCM50 I
BX and DO use the AT&T Call Control. For voice calls, the G.729 codec shall be
used.
• Nortel BCM50 phones to STN (domestic US and international).
• Nortel BCM50 phones to legacy BX site with Cisco gateway.
• Legacy BX site with Cisco gateway to Nortel BCM50 phones.
• Nortel BCM50 phones at one Nortel BCM50 I BX site to Nortel BCM50
phones at another Nortel BCM50 I BX site
If the customer has subscribed to Calling lans B and C (Local), then the
following routing scenarios are supported by the BCM50 I BX and DO use the
AT&T Call Control. For voice calls, the G.729 or G.711 codec may be used.
BCM50 selects G.729 as the highest priority codec.
• Inbound STN to BCM50 phone
• Outbound local STN calls from the BCM50 phones
• Outbound local N11 (i.e. 411, 911) calls from the BCM50 phones

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 11 of 38
Fax was tested and is supported on the BCM50 with the AT&T I Flexible Reach
(T.38 and G.711) and AT&T I Flexible Reach with AT&T Business in a Box (T.38
only) services to/from the following:
• STN
• Legacy BX site with Cisco gateway
• Another BCM50 I BX site

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 12 of 38
4 Configuration Guide
This configuration guide specifies the Nortel BCM50 screens that must be
configured and updated to support the AT&T I Flexible Reach and AT&T I
Flexible Reach with AT&T Business in a Box services.
4.1 Nortel BCM50 Version and eature Requirements
The Nortel Networks BCM50 must be running at least software version
6.0.2.05.237. You can check the version of BCM50 by viewing the following
screen under
Administration
Software Management
Software
Update History
.
Figure 2: BCM50 Software Versio Number
This is the supported base release that is required for AT&T I Flexible Reach
and AT&T I Flexible Reach with AT&T Business in a Box services. Any 6.0.x.x.x
software release greater than the aforementioned software version is acceptable.
This software release 6.0.x.x.x refers to BCM50 Release 3.0 SI .

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 13 of 38
The following BCM50 patches, at minimum, must be applied. To verify any
installed patches on the system: under the BCM50 Element Manager’s
“Administration” tab, click on “Software Management” and select
“Software Update History.”
Figure 3: BCM50 Lists of Applied Patches
Patch Name Description
BCM050.R300. EPS-2 UPDATE to EPS
BCM050.R300.SO TWARE-MANAGEMENT-32
BCM050.R300.SU.Desktop-54.200804
BCM050.R300.SU.System-139.200812
BCM050.R300. EPS-150

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Issue 1 5 Page 14 of 38
4.2 IP Trunks
Voice over I (VoI ) trunks, are signaling channels that simulate how CO lines
work. However, VoI trunks transmit data to the I network over a LAN or I
network rather than over physical lines. Once the VoI trunks are set up, you
can assign them to line pools, and program their behavior in the same way you
would RI lines.
VoI trunks use line numbers 001 to 012. These line records appear under
Configuration
Telephony
Lines
Active VoIP Lines
. To access VoI
lines, you need to enter software keycodes. Each keycode supports a specific
number of trunks. No entries appear in the Enabled VoI lines field until you
complete the I Trunks Settings field, which displays when you click I Trunks
under
Configuration
Resources
Telephony Resources
IP trunks
.
VoI trunks should be configured to use a single line pool. Do not mix other
trunk types on the same line pool (e.g. analog, RI, etc). The VoI line pools are
assigned to routes, which, in turn, are configured with destination codes that
route calls to the BVoI network.
You can also create a fallback for the trunk. This is a situation where the system
reroutes the call to a STN line pool if the primary route is not available or the
call quality is not suitable. If you do not configure your network for fallback and
the call quality is below threshold, the I call fails.
Check under
Configuration
Telephony
Lines
Active VoIP Lines
to
see if trunks have been allocated. You should have a number of I trunks
displayed. The total number of lines indicated corresponds to the number of I
trunks licensed by Nortel for your BCM50. See figure below.
Note:
The BCM50 (Release 3.0) offers two VoI trunk license options: SI
Gateway Trunk License and VoI Trunk Gateway License. The SI Gateway
Trunk License enables SI -only trunks and the VoI Trunk Gateway License
enables SI or H.323 trunks. Either type of trunk licenses can be used for SI
signaling with AT&T I Flexible Reach service.
Customers that desire a lower cost or have no requirements for H.323 should
choose the SI Gateway Trunk License option.

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Issue 1 5 Page 15 of 38
Figure 4: Available VoIP Tru ks
Note: If no active VoI lines are present, check to see if either SI or I Trunks
licenses are installed. If so, try restarting the “feps” service on the BCM50. This
can be done by going to
Administration
General
Service Manager
,
and restarting the “feps” service. Also, check under
Configuration
Resources
Application Resources
, and ensure that the SI (or I ) Trunks
Minimum and Maximum values are set to 0 and MAX, respectively.
Figure 5: Applicatio Resource availability of SIP (or IP) Tru ks
Also ensure that there is a number under “Licence” for either trunk entries.
Otherwise, new keycodes/licenses need to be retrieved for the BCM50.

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 16 of 38
Under
Configuration
Telephony
Dialing Plan
; select “Line Pools.” In
this case we selected “BlocA” under the “Pool” tab. We will use this line pool to
access the VoI trunks. Additionally, all DN numbers that need to access the
VoI trunks must be added to this pool. lease see the following screen shots
for an example configuration.
Figure 6: Assig i g Li e Pool to IP Tru ks
Figure 7: Assig i g DN to Li e Pool

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 17 of 38
Under
Configuration
Telephony
Dialing Plan
General
, we define
the DN length to 4 digits.
Figure 8: Co figuri g Ge eral DN Le gth
Under
Configuration
Telephony
Dialing Plan
Public Network
, we
define the ublic Received number length to “4” digits and ublic network dialing
plan to “National.”
Figure 9: Co figuri g Public Received Number Le gth a d Diali g Pla
Under
Configuration
Telephony
Dialing Plan
Private Network
, we
define the rivate Received number length to “4” digits.

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Issue 1 5 Page 18 of 38
Figure 10: Co figuri g Private Received Number Le gth

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Nortel BCM50 Release 3 0 SIP Configuration Guide
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Issue 1 5 Page 19 of 38
Under
Configuration Telephony Dialing Plan Routing
: Select the
“Routes” tab and ensure there is an entry for “BlocA.” In this case “001” is
the route number and the DN type is specified as “National.” See figure below.
Figure 11: Assig i g a Route for IP Tru ks

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Issue 1 5 Page 20 of 38
Under
Configuration
Telephony
Dialing Plan
Routing
, select the
“Destination Codes” tab to assign a destination code for the I trunks.
Configure a destination code “9” or to whatever code you want to access for
outside (I off-net) call that will be presented to the AT&T service for routing. In
this case, when “9” is dialed we wish to push the dialed string to the I trunk for
routing. See figure below.
Figure 12: Assig Code to Access IP Tru k Routes
Note:
When completing the Technical Questionnaire Section 6.0 Dial lan
Information and the private dial plan is selected (YES), then please refer to
Appendix ‘A’: Configuring Destination Code with Wildcard
.
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