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Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
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Page 111
MultiVOIP User Guide Technical Configuration (Digital) 111 Voice/Fax Parameter Definitions (cont’d) Field Name Values Description Dynamic Jitter Maximum Jitter Value60 to 400 msThe default maximum dynamic jitter buffer of 300 milliseconds is the maximum delay tolerable over a high jitter network. Default = 300 msec Optimizat- ion Factor0 to 12 The Optimization Factor determines how quickly the length of the Dynamic Jitter Buffer is changed based on actual jitter encountered on the network. Selecting the...
Page 112
MultiVOIP User Guide Technical Configuration (Digital Voips) 112 Voice/Fax Parameter Definitions (cont’d) ) Field Name Values Description Auto Disconnect Automatic Disconnect- ion-- The Automatic Disconnection group provides four options which can be used singly or in any combination. Jitter Value 1-65535 milli- secondsThe Jitter Value defines the average inter-arrival packet deviation (in milliseconds) before the call is automatically disconnected. The default is 150 milliseconds. A higher value means...
Page 113
MultiVOIP User Guide Technical Configuration (Digital) 113 9. Set T1/E1/ISDN Parameters. This dialog box can be reached by pulldown menu, toolbar icon, keyboard shortcut, or sidebar. Accessing “T1/E1/ISDN Parameters” Pulldown Icon Shortcut Sidebar Ctrl + T
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MultiVOIP User Guide Technical Configuration (Digital Voips) 114 In each field, enter the values that fit your particular network.
Page 115
MultiVOIP User Guide Technical Configuration (Digital) 115 T1 Parameters. The parameters applicable to T1 and their values are shown in the figure below. These T1 Parameter fields are described in the tables that follow.
Page 116
MultiVOIP User Guide Technical Configuration (Digital Voips) 116 T1 Parameter Definitions Field Name Values Description T1/E1/ISDN T1 North American standard. Long-Haul ModeY/N In Long-Haul Mode, the MultiVOIP auto-matically recovers received signals as low as –36 dB. The maximum reachable length with 22 AWG cable is 2000 meters. When Long-Haul Mode is disabled, signals as low as –10 dB can be received. Default: disabled. CRC Check (Cyclic Redundancy Check)Y/N When enabled, allows generation and...
Page 117
MultiVOIP User Guide Technical Configuration (Digital) 117 T1 Parameter Definitions (cont’d) Field Name Values Description CAS Protocol E&M Immed Strt E&M Wink Start E&M Wink with dial tone FXO Ground Strt FXO Loop Start FXS Ground Strt FXS Loop StartChannel Associated Signaling (CAS) is a method of incorporating telephony signaling info into a T1 voice/data stream. In CAS, the signaling bits (the A, B, C, and D bits) are multiplexed into the signal stream of each T1 channel. (By contrast, in Common...
Page 118
MultiVOIP User Guide Technical Configuration (Digital Voips) 118 T1 Parameter Definitions (cont’d) ISDN Parameters Field Name Values Description Enable ISDN-PRIY/N If digital connection is ISDN- PRI type, this box should be checked. When ISDN is enabled, the “CAS Protocols” field is grayed out (ISDN has its own signaling method). Terminal/ Networkeither “Terminal” or “Network”When “Terminal” is selected, it indicates that the MultiVOIP should emulate the subscriber (terminal) side of the digital...
Page 119
MultiVOIP User Guide Technical Configuration (Digital) 119 T1 Parameter Definitions (cont’d) Field Name Values Description Line Build Out 0 dB, -7.5 dB, -15 dB, -22.5 dBTo reduce the crosstalk on received signals, a transmit attenuator can be placed in the data path. Transmit attenuation is selectable. Default: O dB Pulse Shape Level0 to 40 Meters 40 to 81 m 81 to 122 m 122 to 162 m 162 to 200 mRefers to length of cable between MultiVOIP and PBX/telco in meters. Most common will be 0 to 40m. Clocking...
Page 120
MultiVOIP User Guide Technical Configuration (Digital Voips) 120 E1 Parameters. The parameters applicable to E1 and their values are shown in the figure below. These E1 Parameter fields are described in the tables that follow.