MP-1xx SIP User’s Manual 5. Configuring the MP-1xx
Version 4.4 137 March 2005
5.11.2 Auxiliary Files
The ‘Auxiliary Files’ screen enables you to load to the gateway the following files: Call Progress
Tones, coefficient and Prerecorded Tones (PRT). The Voice Prompts file is currently not
applicable to the MP-1xx. For detailed information on these files refer to Section
6 on page 141.
For information on deleting these files from the MP-1xx refer to Section
5.10.4 on page 130.
Table
5-38 presents a brief description of each auxiliary file.
Table
5-38: Auxiliary Files Descriptions
File Type Description
Coefficient
This file (different file for FXS and FXO gateways) contains the telephony interface configuration
information for the VoIP gateway. This information includes telephony interface characteristics,
such as DC and AC impedance, feeding current and ringing voltage. This file is specific to the
type of telephony interface that the VoIP gateway supports. In most cases you have to load this
type of file.
Call Progress Tones
This is a region-specific, telephone exchange-dependent file that contains the Call Progress
Tones levels and frequencies that the VoIP gateway uses. The default CPT file is: U.S.A.
Prerecorded Tones
The dat PRT file enhances the gateway’s capabilities of playing a wide range of telephone
exchange tones that cannot be defined in the Call Progress Tones file.
To load an auxiliary file to the gateway, take these 8 steps:
1. Open the ‘Auxiliary Files’ screen (Software Upgrade menu > Load Auxiliary Files); the
‘Auxiliary Files’ screen is displayed.
2. Click the Browse button that is in the field for the type of file you want to load.
3. Navigate to the folder that contains the file you want to load.
4. Click the file and click the Open button; the name and path of the file appear in the field
beside the Browse button.
5. Click the Send File button that is next to the field that contains the name of the file you want
to load. An exclamation mark in the screen section indicates that the file’s loading doesn’t
take effect on-the-fly (e.g., CPT file).
6. Repeat steps 2 to 5 for each file you want to load.
Note 1: Saving an auxiliary file to flash memory may disrupt traffic on the MP-1xx. To
avoid this, disable all traffic on the device before saving to flash memory.
Note 2: A MP-1xx reset is required to activate a loaded CPT file, and may be
required for the activation of certain ini file parameters.
7. To save the loaded auxiliary files so they are available after a power fail refer to Section 5.12
on page 139.
8. To reset the MP-1xx refer to Section
5.12 on page 139.
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