Telephone can be programmed to dial a PBX access number, allow or block incoming calls, provide conversation time-out or no time-out. Wink detect length can be programmed if necessary.Telephone can not be left off-hook as it detects when called party hangs up and resets itself. See manual for full details Requires 301-037 tool - sold seperately.
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Telephony, PBX & VoIP > Phone System Accessories