Multi-Tech Systems MultiVOIP GSM SIP-to-Cellular Gateways MVPGSM-2 User Manual

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Chapter 3: Software Installation 
Multi-Tech Systems, Inc. 
MVPGSM 
22 
Phone Book 
Without a populated phone book, the VOIP unit is unable to translate call traffic. You will need the information 
for both a local and any remote sites that are to be used. Detailed descriptions and examples are available in 
chapter 5. To better understand the meaning behind ‘Inbound’ and ‘Outbound’ please see the graphic below. 
 
Inbound and Outbound directions 
 
 
 
Phone Book screens