Leadtek BVA 8051 series Quick Installation Manual - page 7
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Switching between IP and PSTN Calls (8051S and 8053R only)
If you have an 8051S or an 8053R and connected a telephone line (PSTN) to the LINE
port, you can use the same telephone set to make either IP or PSTN
calls. When you pick
up the telephone handset, the default type determines whether your call will be an IP call
or a PSTN call. You use a switching key to switch between the two types of call.
You can change the default type and the switching key by following the steps below.
1. Go to the SIP menu in your device. Select the PSTN tab.
2. Select Make SIP calls by default to make SIP calls as the default type.
3. Select Make PSTN calls by default to make PSTN calls as the default type.
4. Under the Switching key entry, select the key you want to use as the switching key.
You can only make one type of call at a time. However, your pho ne will ring when there
is an incoming call on either the IP line or the PSTN line.
Installation and Configuration