Chapter 4 - Configuring the Master MultiVOIP

15.The Ring Count FXO box enables you to set the number of rings received on the FXO interface before hanging up and releasing the line to another call. The default setting is 2 rings.

Note: Zero (0) means no incoming calls will be answered.

For FXO-to-FXO communications, you can enable a specific kind of FXO Disconnect Options: Current Loss, Tone Detection, or Silence Detection. Check with your in-house phone personnel to verify the type of disconnect to use. If current loss is checked, the VOIP will hang up when it detects a loss of current on the FXO (phone) port. For tone detection, select from the lists one or two tones that will cause the line to disconnect. The person hanging up the call must then press the key or keys that produce those tones to hang up a call. For silence detection, select One Way or Two Way, then set the timer for the number of seconds of silence before disconnect. The default value of 15 seconds may be shorter than desired for your application.

The Message Waiting Light check box must be selected on the originating and answering voice channel. This enables the number dialed to connect you to the appropriate voice channel, then output that number on the voice channel.

16.The Voice/Fax tab displays the parameters for the voice gain, DTMF (Dual Tone Multi-Frequency) gain, voice coder, faxing, and advanced features such as Silence Compression, Echo Cancellation, and Forward Error Correction.

17.You can set up the input and output voice gain so that the volume can be increased or decreased. Input gain modifies the level of the audio coming into the voice channel before it is sent over the Internet to the remote MVP120. Output gain modifies the level of the audio being output to the device attached to the voice channel. Make your selections from the Input and Output lists in the Voice Gain group. The valid range is +31dB to –31dB with a recommended/default value of 0.

You can also set up the DTMF gain (or output level in decibels - dB) for the higher and lower frequency groups of the DTMF tone pair. Make your selections in the lists in the DTMF Gain group. When the DTMF Out of Band check box is selected, the tones are passed via RTP packets, and the receiving VOIP reproduces the DTMF tones instead of passing them through like voice.

Note: Only change the DTMF gain under the direction of Multi-Tech Technical Support.

18.To change the voice coder, select the Manual option in the Coder group. Select the appropriate coder from the Selected Coder list.

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MVP120 specifications

Multi-Tech Systems MVP120 is an advanced communication device designed to enhance various applications across industries. It is a part of the Multi-Tech's MVP (MultiVoIP) product line, which is renowned for its versatility and robustness in VoIP (Voice over Internet Protocol) solutions. The MVP120 provides businesses with an efficient way to convert traditional analog voice signals into digital formats suitable for transmission over the Internet or other digital networks.

One of the main features of the MVP120 is its support for up to 12 voice channels. This capability allows multiple calls to be managed simultaneously, making it an ideal choice for businesses with high call volumes. The device offers a seamless integration with existing telephony systems, enabling users to retain their current infrastructure while benefiting from the added advantages of VoIP technology.

The MVP120 utilizes advanced Voice over IP protocols, including SIP (Session Initiation Protocol), which facilitates the establishment, management, and termination of voice sessions over the internet. SIP compatibility enhances interoperability with various service providers and existing communication systems, ensuring a flexible and scalable solution for businesses of all sizes.

Another noteworthy characteristic of the MVP120 is its built-in T.38 fax support. This enables the transmission of fax documents over IP networks, ensuring reliable delivery even in environments where traditional fax machines may experience disruptions. This feature is particularly beneficial for organizations that still rely on fax communication while transitioning to more modern digital systems.

Security is a primary concern in today’s digital environment, and the MVP120 addresses this with comprehensive protocol support, including SRTP (Secure Real-time Transport Protocol) and TLS (Transport Layer Security). These technologies ensure that voice communications remain secure and private, protecting sensitive information from potential threats.

The MVP120 is also designed with user-friendly management and configuration in mind. It features a web-based interface that makes it easy for administrators to set up and manage the device remotely. This simplifies the deployment process and minimizes downtime, allowing businesses to maintain operational continuity.

In essence, the Multi-Tech Systems MVP120 stands out as a powerful tool for businesses seeking to embrace the benefits of VoIP technology while maintaining reliable communication through traditional means. Its combination of voice channels, protocol support, fax capabilities, and security features make it an excellent choice for modern enterprises aiming to enhance their communication systems.
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