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V400 Series VoIP Gateway User Guide
YML832 Rev1
Telephone Connection
Example for V440 gateway
V440 gateway connecting directly to phone sets
After connecting telephone sets to Phone1-Phone4, users can make direct calls (Phone1-Phone4 are
FXS interfaces). Each set acts as an independent extension line.
Integrating the V440 with PBX
Phone1-Phone4 are FXS interfaces, and some of them can be connected to telephone sets for direct
calls. Others can be connected to the PBX CO lines so that other extension lines can make VoIP calls.