User guide

iMG SIP Overview VoIP SIP
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iMG/RG Software Reference Manual (Voice Service)
FIGURE 6-1 Phone --> iMG(A) --> iMG(B) --> Phone
A user makes a call with the phone connected to an iMG, which in turn contacts another iMG, which completes
the connection to the phone that is attached to it.
6.2.1.3 Calls Involving a Terminal and a SIP Endpoint
The following examples illustrate how a phone connected to an iMG terminal can communicate with a LAN SIP
endpoint on the IP network. Such endpoints could be:
• A Soft Phone
• An IP phone directly connected to the IP network
A user makes a call with the phone connected to an iMG, which reaches the corresponding LAN SIP endpoint
on the IP network (Figure 6-2).
Unit
SIP Server
Unit
Analog
Phone
VOIP IP
Network
Analog
Phone
AB