AudioCodes Mediant 2000 System User Manual

Version 5.2 365 September 2007
SIP User's Manual 8. Networking Capabilities
8 Networking Capabilities
8.1 Ethernet Interface Configuration
The Ethernet connection mode can be controlled by using the ini file parameter
EthernetPhyConfiguration to configure one of the following modes:
 Manual modes (10 Base-T Half-Duplex, 10 Base-T Full-Duplex, 100 Base-TX Half-
Duplex, 100 Base-TX Full-Duplex)
 Auto-Negotiate mode
Auto-Negotiation falls back to Half-Duplex mode when the opposite port is not Auto-
Negotiate, but the speed (i.e., 10/100 Base-T) in this mode is always configured correctly.
Note that configuring the gateway to Auto-Negotiate mode while the opposite port is set
manually to Full-Duplex (either 10 Base-Tor 100 Base-T) is invalid (as it causes the
gateway to fall back to Half-Duplex mode while the opposite port is Full-Duplex). It's also
invalid to set the gateway to one of the manual modes while the opposite port is either
Auto-Negotiate or not exactly matching (both in speed and in duplex mode). It's
recommended to always prefer Full-Duplex connections to Half-Duplex ones and 100
Base-TX to 10 Base-T (due to the larger bandwidth). It's also strongly recommended to use
the same mode in both link partners. Any mismatch configuration can yield unexpected
functioning of the Ethernet connection.
Note that when remote configuration is performed, the gateway should be in the correct
Ethernet setting prior to the time this parameter takes effect. When, for example, the
gateway is configured using BootP/TFTP, the gateway must perform many Ethernet-based
transactions prior to reading the ini file containing this gateway configuration parameter.
To resolve this problem, the gateway always uses the last Ethernet setup mode configured.
In this way, if you want to configure the gateway to operate in a new network environment
in which the current Ethernet setting of the gateway is invalid, you should first modify this
parameter in the current network so that the new setting holds next time the gateway is
restarted. After reconfiguration has completed, connect the gateway to the new network
and restart it. As a result, the remote configuration process that takes place in the new
network uses a valid Ethernet configuration.
8.2 Ethernet Interface Redundancy
The gateway supports a redundancy scheme, as described below:
At the beginning of the start-up procedure, the gateway tests whether the ‘primary’
Ethernet interface is connected, by checking the existence of the Ethernet link carrier. If it's
connected, the start-up procedure commences as usual. If not, the start-up application tries
the ‘secondary’ Ethernet interface. If this interface is connected, the whole start-up
procedure is performed using it. If both interfaces are not connected, the start-up
procedure commences using the parameters, tables, and software residing on the
gateway's non-volatile memory. Note that Ethernet switchover occurs only once during the
start-up procedure (at the beginning). If the Ethernet interface fails after the selection is
made, the gateway does not switch over to the second port.

AudioCodes Mediant 2000 System Specifications

General

Max Concurrent Sessions	2000
Protocols	SIP, H.323, MGCP
Product Type	VoIP Gateway
Network Interfaces	2 x 10/100/1000Base-T Ethernet
Power Supply	AC or DC power supply options
TDM Interfaces	E1/T1
VoIP Channels	Up to 2000
Management	Web-based, SNMP, CLI
Voice Codecs	G.711, G.723.1, G.726, G.729
Operating Temperature	0 to 40°C
Security Features	TLS, SRTP
Dimensions (HxWxD)	44 x 438 x 350 mm (1.73 x 17.24 x 13.78 in)
Redundancy	Power supply redundancy, network redundancy, 1+1 gateway redundancy

Summary

Overview

SIP Overview

Explains Session Initialization Protocol (SIP) and its role in creating, modifying, and terminating sessions.

Mediant 2000 Overview

Describes the Mediant 2000 as a SIP-based Voice-over-IP media gateway.

TP-1610 Overview

Details the TP-1610 as a SIP-compliant VoIP "gateway-on-a-blade" using cPCI.

TP-260 Overview

Introduces the TP-260 as a SIP-compliant VoIP media processing server in a PCI form-factor.

Physical Description

Mediant 2000 Physical Description

Details the hardware components of the Mediant 2000 chassis, blades, and modules.

TP-1610 Physical Description

Describes the TP-1610 cPCI blade, including its components and Rear Transition Module.

TP-260 Physical Description

Details the TP-260 PCI blade, its components, and connectors.

Installation

Installing the Mediant 2000

Provides chronological steps for installing the Mediant 2000, including unpacking and cabling.

Installing the TP-1610

Outlines the installation procedure for the TP-1610 blade, including unpacking and cabling.

Installing the TP-260

Details the installation process for the TP-260 blade in a PC, including unpacking and cabling.

Getting Started

Configuration Concepts

Explains gateway deployment options and configuration methods like Web, ini file, and SNMP.

Startup Process

Describes the gateway's startup sequence, including network parameter acquisition and file loading.

Assigning an IP Address

Details methods for assigning an IP address using HTTP, BootP, CLI, or DHCP.

Configuring Basic Parameters

Guides through configuring basic SIP parameters via the 'Quick Setup' screen.

Web-based Management

Computer Requirements

Lists the necessary computer and web browser requirements for accessing the Embedded Web Server.

Protection and Security Mechanisms

Covers security features like user accounts, read-only mode, and access list limiting.

Accessing the Embedded Web Server

Provides steps to access the gateway's Embedded Web Server using a web browser.

Getting Acquainted with the Web Interface

Explains the layout and components of the Embedded Web Server interface.

Protocol Management

Manages and configures the gateway's SIP parameters and tables.

Configuring the Advanced Parameters

Configures advanced control protocol parameters like supplementary services.

Configuring the Number Manipulation Tables

Sets up tables to modify destination and source numbers for call routing.

Configuring the Routing Tables

Configures the gateway's IP-to-Tel and Tel-to-IP routing tables.

Configuring the Profile Definitions

Configures profiles for adapting gateway behavior to different equipment and protocols.

Configuring the Trunk Group Table

Assigns trunk groups, profiles, and phone numbers to gateway channels for routing.

Configuring the Trunk Group Settings

Determines how new calls are assigned to channels within trunk groups.

Configuring the Digital Gateway Parameters

Configures miscellaneous digital parameters for the gateway.

Security Settings

Manages security configurations including user accounts, firewalls, and certificates.

Status & Diagnostics

Monitors gateway status, diagnostics, and system information.

Software Update

Guides users through upgrading gateway software, loading firmware and configuration files.

Maintenance

Provides options for gateway maintenance like locking, saving, and resetting.

ini File Configuration

Secured ini File

Explains the use of encoded ini files to protect sensitive gateway configuration information.

Modifying an ini File

Guides on editing ini files for gateway configuration using a text editor.

The ini File Parameter Reference

Lists and describes various ini file parameters for networking, system, and security.

Telephony Capabilities

Configuring the DTMF Transport Types

Explains how to control DTMF digit transport over the IP network using various modes.

Fax and Modem Capabilities

Details fax and modem operations, including transport modes and specific fax relay features.

Configuring Alternative Routing (Based on Connectivity and QoS)

Explains how the gateway checks availability and QoS for reliable Tel-to-IP call routing.

Call Detail Record

Describes the Call Detail Record (CDR) for vital statistic information on calls made by the gateway.

Working with Supplementary Services

Explains the gateway's support for Call Hold and Retrieve, Call Transfer, and Call Forward.

Networking Capabilities

Ethernet Interface Configuration

Details how to control Ethernet connection modes like manual or auto-negotiate.

NAT (Network Address Translation) Support

Explains NAT mechanisms including STUN for discovering NAT types.

Point-to-Point Protocol over Ethernet (PPPoE)

Describes PPPoE as a method for sending PPP packets over an Ethernet network.

VLANS and Multiple IPs

Covers VLAN implementation and multiple IP address configurations for network integration.

Advanced PSTN Configuration

Clock Settings

Describes configuring gateway clock sources using internal, recovered, or NTP.

Release Reason Mapping

Details mapping mechanisms between SIP responses and Q.850 release causes.

Using ISDN NFAS

Explains the Non-Facility Associated Signaling (NFAS) feature for controlling multiple PRI interfaces.

Redirect Number and Calling Name (Display)

Defines gateway support for redirect number and calling name display across PRI variants.

Tunneling Applications

TDM Tunneling

Explains how to tunnel digital trunk spans or timeslots over an IP network.

QSIG Tunneling

Describes tunneling QSIG messages over SIP using a dedicated message body.

Selected Technical Specifications

General Specifications

Provides general technical specifications for voice compression, silence suppression, and echo cancellation.

Mediant 2000 Specifications

Lists selected technical specifications for the Mediant 2000 gateway.

TP-1610 Specifications

Details selected technical specifications for the TP-1610 blade.

TP-260 Specifications

Lists selected technical specifications for the TP-260 PCI blade.

Supplied SIP Software Package