User`s manual

3. Operation

3.1 Make a Call

By default, call is sent via the first registrar server only. The telephone

number of clients in the second/third service domain will be not accessible.

Make a Call

Press <telephone_number> + #

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Note:

● Once the first registration fails, the second realm will be activated.

● The gateway can always receive incoming call from the client of either registered

service domain.

● The gateway is accessible for P2P client to dial the configured telephone numbers.

DDNS setting is necessary when WAN IP address is dynamic.

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3.1.1 Make PSTN Call (SP5001D only)

SP5001D provides 1 RJ-11 port for PSTN lifeline, and can tranceive PSTN

calls even if VoIP fails.

Make PSTN Call

VoIP Unregistered:

● Press <pstn_number>

VoIP Registered:

● Press 0

＊

to switch to PSTN mode

● press <pstn_number>