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Figure 1-5: HT503 FXO Port Configuration (Continued)
Below (Figure 1-5) is the FXO Port related configuration continued. The example below is using United States
Bell Standard. If the HT503 is applied to other region, user is required to check with local carrier to search for
the correct setting to make sure the HT503 function correctly.
Number of Rings: This is for inbound calls (e.g.: from cell phone) to the PSTN connected to the
HT503 be forwarded to the surveillance device where a speaker system is connected. User can
determine how many rings the speaker system will pick up (be aware the likely conflict with voicemail
if the VM is enabled in that line). PIN is suggested for such inbound call for security reason to avoid
any calls hit the speaker.
Wait for Dial Tone, 2 Stage Dialing suggested.