Citrix EasyCall Gateway
Telephony System Integrator’s Guide
for Alcatel OmniPCX Enterprise
Citrix® EasyCall Gateway™ 2.1
Copyright and Trademark Notice
Use of the product documented in this guide is subject to your prior acceptance of the End User License Agreement. A printable
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Document Code: October 20, 2008 (KP)
Contents
Chapter 1 Alcatel OmniPCX Enterprise SIP Trunk Integration
Equipment Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Configuring the SIP Trunk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Verifying the Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Call Detail Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
C
ONTENTS
iv Telephony System Integrator’s Gui de
Alcatel OmniPCX Enterprise SIP T runk
Integration
This chapter describes how to integrate Alcatel OmniPCX Ente rprise telephony
system version 8.0 with the EasyCall Gateway through a SIP trunk.
The integration described in this chapter can be done in tandem with EasyCall
Gateway installation and configuration, which includes defining the properties of the
telephony system trunk and defining any changes the EasyCall Gateway makes to
telephone numbers before sending them to the telephony system for dialing. For SIP
trunks, the EasyCall Gateway always listens on port 5060. By default, the EasyCall
Gateway communicates with the SIP trunk over port 5060; that port is configurable.
For information about EasyCall Gateway configuration, refer to the EasyCall Gateway
Administrator’s Guide.
Those responsible for configuring the telephone system must have the specific
characteristics for the site available before attempting to integrate the EasyCall
Gateway. Integrating the telephone system with the EasyCall Gateway is similar to
integrating the telephone system with a voicemail system.
The following topics describe configuration of SIP trunks for Alcatel OmniPCX
Enterprise telephony systems:
“Equipment Requirements” on page 2
“Configuring the SIP Trunk” on page 2
“Verifying the Integration” on page 7
“Call Detail Records” on page 7
C
HAPTER
1
2 EasyCall Gateway Telephony System Integr ator ’s Guide
Equipment Requirements
Only the EasyCall Gateway appliance is required to integrate with the Alcatel
telephony system. The following diagram shows the integrated components.
Alcatel telephony system integrated with the EasyCall Gateway
As shown in the diagram, the SIP trunk makes telephone calls over an Internet
connection. The use of SIP trunks does not require modification to your existing
telephony system or Internet connections and does not require PRI hardware or
telephony system upgrades. Only outbound SIP trunks are required; the number of
trunk channels used can be scaled to your needs. For information on capacity
planning, refer to the EasyCall Gateway Administrator’s Guide.
Configuring the SIP Trunk
The following screens show a sample trunk configuration. The sample configuration
screens are from the Alcatel Omni management interface. The default values required
for the trunk to be active are included. The table following the screens describes the
values that are important for EasyCall Gateway integration.
Chapter 1 Alcatel OmniPCX Enterprise SIP Trunk Integration 3
External Gateways configuration page
Setting Description
Remote domain The IP address of the EasyCall Gateway.
Port number Must be 5060, the default value.
Transport type Must be UDP.
Trunk group number Must be the same as the Trunk Group ID in the Trunk Group configuration page.
Outgoing realm The IP address of the EasyCall Gateway.
Minimal authentication
method
Must be None.
4 EasyCall Gateway Telephony System Integr ator ’s Guide
Trunk Groups configuration page
Setting Description
Trunk Group ID Must be the same as the Trunk Group Number in the External Gateways
Trunk Group Type Must be T2.
Trunk Group Name Can be any name.
Q931 signal variant Must be ABC-F.
T2 Specificity Must be SIP.
configuration page.
Chapter 1 Alcatel OmniPCX Enterprise SIP Trunk Integration 5
Trunk Group configuration page
Setting Description
Trunk Group ID Must be the same as the Trunk Group Number in the External Gateways
IP compression type Must be G.711.
configuration page.
6 EasyCall Gateway Telephony System Integr ator ’s Guide
Proxy configuration page
Setting Description
all settings All of the default settings can be used. Proxy page configuration is required only
if there is no SIP trunk on the switch.
SIP Gateway configuration page
Setting Description
IP Address The IP address of the OmniPCX Call Server. SIP Gateway configuration is
required only if there is no SIP trunk on the switch.
Chapter 1 Alcatel OmniPCX Enterprise SIP Trunk Integration 7
Verifying the Integration
Install EasyCall on one or more user PCs and place different types of calls (domestic,
international).
Call Detail Records
A Call Detail Record (CDR) is a file that contains information about calls placed
through the EasyCall Gateway. Information provided in the CDRs can be used for
billing calls to cost centers and for auditing potential abuse.
8 EasyCall Gateway Telephony System Integr ator ’s Guide
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