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How-To-Guide3300 ICP SIP Trunking to Global Crossing SIP

Trunking Service

Document #07-4940-00002 Page 1


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April 2007

About this document

This How-To-Guide is intended for Customer Service and Installation Personnel involved in the

installation and maintenance of Mitel 3300 ICPs.

NOTICE

The information contained in this document is believed to be accurate in all respects but is not

warranted by Mitel Networks Corporation. The information is subjected to change without notice and

should not be construed in any way as a commitment by Mitel or any of its affiliates or subsidiaries.

Mitel and its affiliates and subsidiaries assume no responsibility for any errors or omissions in this

document. Revisions of this document or new editions of it may be issued to incorporate changes.

How-To-Guide for 3300 SIP Trunking to Global Crossing SIP Trunking Service

April 2007

, Trademark of MITEL Networks Corporation

Copyright 2008, MITEL Networks Corporation

All rights reserved



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Table of Contents

Overview................................................................. ................4

Software & Hardware Setup.....................................................4

Limitations................................................... ...........................4

3300 Setup Notes ...................................................................5

Network Requirements.............................................................................5

Assumptions for the 3300 ICP programming..............................................5

Licensing and Option Selection - SIP Licensing...........................................6

Class of Service Options Assignment.........................................................7

Network Element Assignment...................................................................8Network Element Assignment (Proxy)........................................................9

Trunk Service Assignment.......................................................................10

SIP Peer Profile......................................................................................11

Digit Modification Assignment.................................................................13

Route Assignment..................................................................................14

ARS Digits Dialed Assignment.................................................................15



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Overview

This document provides a reference to Mitel Authorized Solutions providers for configuring a Mitel3300ICP with Global Crossings SIP Trunking service. The different devices can be configured invarious configurations depending on your VoIP solution. This document covers a basic setup withbasic SIP trunking routing rules.

Software & Hardware Setup

This was the test setup to generate a basic SIP Trunking call between Global Crossings SIPTrunking service and the 3300 ICP using SIP Trunking.

Manufacturer Variant Software Version

Mitel 3300 ICP CXi, CX / MXe platforms 7.1 UR2

Sets Tested with 5212, 5224, 5340

Limitations

The following limitations are related to the integration of 3300 ICP with Global Crossing SIP Trunking

service

T.38 FAX is not directly supported by the 3300 ICP.

Provisional Responses are not used by Global Crossing Global Crossing does not use FQDN entries in SIP messages. SIP Peer profile is adjusted

accordingly later in this document.



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3300 Setup Notes

The following steps show how to program a 3300 ICP to interconnect with Global Crossing SIP Trunkingservice using SIP trunking.

Network Requirements

There must be adequate bandwidth to support the voice over IP connections between the 3300

ICP and Global Crossing SIP Trunking Service. As a guide, the Ethernet bandwidth is approx 85

Kb/s per G.711 voice session and 29 Kb/s per G.729 voice session. As an example, for 20

simultaneous SIP sessions, the Ethernet bandwidth consumption will be approx 1.7 Mb/s for

G.711 and 0.6Mb/s. Almost all Enterprise LAN networks can support this level of traffic without

any special engineering. Please refer to the 3300 Engineering guidelines for further information.

For high quality voice, the network connectivity must support a voice-quality grade of service

(packet loss


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Class of Service Options Assignment

Ensure that Public Network Access via DPNSS Class of Service Option is configured for all devices thatmake outgoing calls through the SIP trunks in the 3300.

Figure 2: Example of Class of Service Options Assignment



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Network Element Assignment

Create a network element for Global Crossing SIP Trunking Service. In this example, the SIP trunking serviceis reachable by an IP Address and is defined as GlobalCro in the network element assignment form. This IPaddress is provided by Global Crossing.

Programming the same IP address for the SIP Peer, Outbound Proxy and Registrar is not required for SIPtrunk integration to Global Crossing. Set the transport to TCP and port to 5060.

Figure 3: Example of Network Element Assignment



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Network Element Assignment (Proxy)

In addition, depending in your configuration, a Proxy may need to be configured to route SIP data to theservice provider. If you have a Proxy server installed in your network, the 3300 will require knowledge of thisby programming the Proxy as a network element then referencing this proxy in the SIP Peer profile

assignment (later in this document).

Figure 4: Example of SIP Proxy Network Element Assignment



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Trunk Service Assignment

This is configured in the Trunk Service Assignment form. In this example the Trunk Service Assignment isdefined for Trunk Service Number 25.

Program the Non-dial In or Dial In Trunks (DID) according to the site requirements and what type of servicewas ordered from Global Crossing. In the example below, all calls are terminated at the Auto Attendant.

Figure 5: Example of Trunk Service Assignment

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SIP Peer Profile

The recommended connectivity via SIP Trunking does not require additional physical interfaces. IP/Ethernetconnectivity is part of the base 3300 ICP Platform. The SIP Peer Profile should be configured with the

following options:

Network Element: The selected SIP Peer Profile needs to be associated with previously created

GlobalCro Network Element.

Registration User Name: A registration username is not required.

Address Type: Global Crossing does not use FQDN in SIP messages. Address type in the peer

profile must be set to IP Address of the 3300 controller.

Outbound Proxy Server: Select the Network Element previously configured for the Outbound Proxy

Server.

Calling Line ID: The default CPN is applied to all calls unless there is a match in the "Outgoing DID

Ranges" of the SIP Peer Profile. This number will be provided by Global Crossing. Do not use aDefault CPN if you want public numbers to be preserved through the SIP interface. Add private

numbers into the DID ranges for CPN Substitution form (see DID Ranges for CPN Substitution). Then

select the appropriate numbers in the Outgoing DID Ranges in this form (SIP Peer Profile).

Restriction: Click to enable privacy on all outgoing calls. When privacy is enabled, calling line

information is changed to anonymous on outgoing calls. For incoming calls, the ringing or answering

party's information is changed to anonymous. The default is false.

Trunk Service Assignment: Enter the trunk service assignment previously configured.

SMDR: If Call Detail Records are required for SIP Trunking, the SMDR Tag should be configured (by

default there is no SMDR and this field is left blank).

Maximum Simultaneous Calls: This entry should be configured to maximum number of SIP trunks

provided by Global Crossing.

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Digit Modification Assignment

Ensure that Digit Modification for outgoing calls on the SIP trunk to Global Crossing absorbs or injectadditional digits according to your dialling plan. In this example, we will be absorbing 1 digit (in this case willbe 9 to dial out).

Figure 7: Example of Digit Modification Assignment

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Route Assignment

Create a route for SIP Trunks connecting to Global Crossing SIP Server. In this example, the SIP trunk isassigned to Route Number 14. Choose SIP Trunk as a routing medium and choose the SIP Peer Profile andDigit Modification entry created earlier.

Figure 8: Example of Route Assignment

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ARS Digits Dialed Assignment

ARS initiates the routing of trunk calls when certain digits are dialed from a station. In this example, when auser dials 9, the call will be routed to the Global Crossing SIP trunking.

Figure 9: Example of ARS Assignemnt

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