Multi-Tech Systems MULTIVOIP MVP210/410/810 Manual Do Utilizador

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Chapter 4: Configuring your VOIP 
Multi-Tech 
Systems, 
Inc. 
     
 
 
59 
SPP 
Single Port Protocol was developed by Multi-Tech to allow for dynamic IP addressing when it is set to 
Registrar/Client mode. The other choice, Direct mode, has IP addresses assigned to the gateways. The 
table below describes all fields in the general SPP Call Signaling screen. The –SS models do not support 
SPP
 
Figure 4-17: SPP call signaling