User guide

Chapter 3: MultiVOIP Software
Multi-Tech Systems, Inc. MVPGSM 20
Actions:
• Select Channel
o Choose channel parameters:
 Fax and modem parameters are not available at this time
 Adjusting the Voice Gain and DTMF should not be done as it may adversely affect voice
and DTMF quality and recognition
 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 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 channel
o The Default button will return settings to factory default settings