New Rock Technologies OM50 Installation And Configuration Manual
Also see for OM20: User manualUser manualQuick installation guide
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Contents
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www.newrocktech.com 2-11times, properly grounding the device, modifying some parameter values on device and changing the cablessolves the problem completely.Location of your hardwareInterference is another factor for voice quality during voice communication. Often, VoIP equipmentinterfere with each other thus producing noise and other problems. For example, if OM20/50 and ATA aretoo close to your broadband router or any appliances, you might experience voice quality problems. This iscaused by electrical feedback. Try moving them away from each other to get rid of the garbled calls,echoes, dropped calls etc.2.2.3 Static or Dynamic IP address for devicesThe OM20/50 becomes a DHCP client of any server on the network. The recommended setting is to use astatic IP address. This configuration provides ease of installation and prevents connectivity issues that wouldoccur if the IP address of the OM20/50 changed.When the extension needs to register with the OM20/50 from an external network, New Rock recommendsmapping an external (public) Static IP address or dynamic domain name on the OM20/50.2.2.4 Fax and POS machineOM20 supports two fax modes: T.38 and G.711 transparent transmission. It is highly recommended to checkif the facsimile and POS machine can be connected to the FXS port of OM20.When fax messages arereceived or sent through an analog trunk, the G.711 transparent transmission mode is required. When faxmessages are received or sent through an IP trunk, a T.38 or a G.711 transparent transmission mode needs tobe selected according to an actual requirement and the mode supported by the IP phone operation platform.If both T.38 and G.711 transparent transmission modes are supported, T.38 is recommended because it ismore stable.2.3 Updating the FirmwareIt is highly recommended that you check for recent updates before you install your equipment. Laterinstructions in this guide will help you to install the firmware that you download in this preparation phase.To find the latest firmware for a device, go to http://en.newrocktech.com/software/ |
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