Telephone Interface Description - D-Link DVG-5121SP User Manual

Installation and Applications

3-3. Telephone Interface Description

Example:
DVG-5121SP connecting directly to phone sets
After connecting telephone sets to P1-P2, users can make direct calls, (P1-P2 are FXS interfaces). Each set
acts as an independent IP line that provided by applied SIP server.
Integrating the DVG-5121SP with PBX
Line port is PSTN/ PBX <FXO> interfaces, that connected to telephone sets for direct calls. But for this product
definition, it just supported as a back up solution enabled automatically when network or SIP phone failed.
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DVG-5121SP User's Manual
D-Link Corporation