POTS (plain old telephone systems) shouldn't be panned.
Cross
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M
D000413:Alaska; D003195:Computer Communication Networks / Q000191:economics; D003365:Costs and Cost Analysis; D019114:Remote Consultation / Q000295:instrumentation*; D019035:Rural Health Services / Q000458:organization & administration; D013689:Telephone / Q000191:economics / Q000706:statistics & numerical data*