DMP 128 Plus C V / C V AT – RingCentral
1.0 Introduction
This document provides essential instructions for registering DMP 128 Plus C V (AT) VoIP lines as
a RingCentral cloud-based SIP extension.
DMP 128 Plus C V / C V AT Firmware Version 1.01.0010 or higher is required.
2.0 Configuring RingCentral for DMP 128 Plus C V (AT) VoIP Registration
Prior to proceeding with this guide, contact RingCentral in order to add or purchase SIP
extensions for use with the DMP 128 Plus C V (AT). The DMP behaves as a 3
The following credentials are required for each line that is to be used on the system –
1) SIP Domain and Port Number
2) Outbound Proxy and Port Number
3) User Name
4) Password
5) Authorization ID
Revision Date: 06/26/18
rd
party SIP device.
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