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This guide provides reference information for the Cisco Media Gateway Controller (MGC) software Release 7, including system commands and system messages. This preface includes the following sections.
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Note This guide uses the terms Media Gateway Controller software or MGC application to mean the Cisco MGC software that runs in the UNIX environment on a server. The term MGC refers to the combination of this software and the server. The MGC communicates with the SS7 network to process and route calls between a traditional time division multiplexing (TDM) network and a packet data network. This routing takes place through a variety of media gateways (MGWs), which are separate devices that perform the conversion between the TDM and data network formats. |
This guide is for network operators and administrators who have experience with telecommunications networks, protocols, and equipment and who have familiarity with data communications networks, protocols, and equipment. Read the system-level documentation supplied with your system before using this guide. A complete list of these documents is included in the Cisco Media Gateway Controller Release 7 Software Installation and Configuration Guide that ships with your system.
This document is divided into the following chapters and appendixes:
Cisco DAS and H.323 VoIP Gateway Installation and Configuration Guide
Refer to the following map to navigate through the media gateway controller documentation suite.
In "MML Command Reference" the same command syntax conventions are used as those shown by MML itself when the MML command HELP is entered within MML. For MML commands, the Backus-Naur conventions described in the beginning of Chapter 1 are used.
Throughout this guide, $BASEDIR is used in describing the directory structure in which the Cisco MGC software is installed. $BASEDIR is a UNIX environment variable that must be set during installation. Refer to the Cisco MGC Software Release 7 Installation and Configuration Guide for a description of configuring this environment variable.
Conventions otherwise used in this guide are shown in Table 1.
| Convention | Meaning | Description / Comments |
|---|---|---|
Boldface | Commands and keywords you enter as shown. | offset-list |
Italics | Variables for which you supply values. | command type interface You replace the variable with the type of interface. In contexts that do not allow italics, such as online help, arguments are enclosed in angle brackets (< >). |
Square brackets ([ ]) | Optional elements. | command [abc] abc is optional (not required), but you can choose it. |
Vertical bars ( | ) | Separated alternative elements. | command [ abc | def ] You can choose either abc or def, or neither, but not both. |
Braces ({ }) | Required choices. | command { abc | def } You must choose either abc or def, but not both. |
Braces and vertical bars within square brackets | A required choice within an optional element. | command [ abc { def | ghi } ] You have three options: nothing abc def abc ghi |
Caret character (^) | Control key. | The key combinations ^D and Ctrl-D are equivalent: Both mean "hold down the Control key while you press the D key." Keys are indicated in capital letters, but are not case sensitive. |
A nonquoted set of characters | A string. | For example, when setting an SNMP community string to public, do not use quotation marks around the string; otherwise, the string will include the quotation marks. |
| Denotes interactive sessions, indicates that the user enters commands at the prompt. | The system prompt indicates the current command mode. For example, the prompt |
| Terminal sessions and information the system displays. |
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Angle brackets (< >) | Nonprinting characters such as passwords. |
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Exclamation point (!) at the beginning of a line | A comment line. | Comments are sometimes displayed by the Cisco IOS software. |
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Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. |
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TimeSaver Means reader may be able to save some time. Taking the action described could achieve a result in less time than might be achieved otherwise. |
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Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the manual. |
Conventions used in the MGC system (such as in MML commands) are shown in Table 2.
| Data Type | Definition | Example |
|---|---|---|
Integer | A series of decimal digits from the set of 0 through 9 that represents a positive integer. An integer may have one or more leading zero digits (0) added to the left side to align the columns. Leading zeros are always valid as long as the number of digits is less than or equal to ten digits. Values of this type have a range of zero through 4294967295. | 123 000123 4200000000 |
Signed integer | This data type has the same basic format as the integer but can be either positive or negative. When negative, it is preceded by the sign character (-). As with the integer data type, this data type can be as many as ten digits in length, not including the sign character. The value of this type has a range of 0 minus 2147483647 through 2147483647. | 123 -000123 -2100000000l |
Hexadecimal | A series of 16-based digits from the set of 0 through 9, a through f, or A through F. The hexadecimal number may have one or more leading zeros (0) added to the left side. For all hexadecimal values, the maximum size is 0xffffffff (eight hexadecimal digits). | 1f3 01f3000 |
Text | A series of alphanumeric characters from the ASCII character set, where defined. Tab, space, and double quote (" " ) characters cannot be used. Text can be as many as 255 characters; however, it is recommended that you limit the text to no more than 32 characters for readability. | EntityID LineSES_Threshold999 |
String | A series of alphanumeric characters and white-space characters. A string is surrounded by double quotes (" " ). Strings can be as many as 255 characters; however, it is recommended that you limit the strings to no more than 80 characters for readability. | "This is a descriptive string." |
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Note Hexadecimal and integer fields in files may have different widths (number of characters) for column alignment. |
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|---|---|
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