Hardware manual

SIP virtual ports 3.6
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Figure 1 View of configuration menu for SIP gateway.
Connect to gateway
Host – It defines Realm of the other side of trunk connection (VoIP provider or another PbX).
Port – It defines port on the other side of trunk connection. To this port you have to send SIP
messages.
Register line – It enables line registration. If line isn't registered, no call establishments are done on
this virtual port. All attempts are rejected with corresponding cause within PbX.
Expiration – With this parameter you can define registration expiration. Final value can be defined
by opponent (if he needs shorter).
Authorisation data
Login – Parameter is used as name for connecting to the user which requires authorization.
Password – Parameter is used as password for connecting to the user which requires authorization.
RTP interface
Name – Shows only name of concrete RTP interface of the PbX.
UDP min – Here you have to set up lower limit for used UDP port range for RTP stream.
UDP max – Here you have to set up higher limit for used UDP port range for RTP stream.
NAT – With this parameter you can enable routing of RTP stream through NAT.
NAT source – In the case of using Fixed IP in the column NAT, you have to fill in concrete NAT IP
address to this column.
NAT base – In the case of using Fixed IP in the column NAT, you have to fill in concrete NAT port to
this column.