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Chapter 3: Software Installation
Multi-Tech Systems, Inc. MVPGSM 17
Actions:
• Select Channel
o Choose channel parameters:
Fax and modem parameters are not available at this time
Modem Relay Enable allows modem traffic through the VOIP system
Adjusting the Voice Gain and DTMF should not be done as it may adversely affect voice
and DTMF quality
Select a Coder or allow Automatic negotiation
Advanced Features
• Silence Compression, when enabled, will not send IP packets during times of
silence
• Echo Cancellation removes echo to improve voice quality
• Forward Error Correction allows some bad packets to be recovered
Choose Auto Call / OffHook Alert settings
• For automatically calling a remote VOIP without dialing (details in Chapter 4)
Change Dynamic Jitter values if necessary (details in Chapter 4)
Select any Automatic Disconnection options needed to ensure lines are not left “open”
Configurable Payload Types are best left at their defaults.
o The Copy Channel button is available for easily transferring these settings to the other channels
• Repeat for all channels to be used