Panasonic's KX-NS500 PBX is reported by a customer to be working reliably after 12 years, but is failing to register newly added third-party Fanvil/Linkvil IP DECT base stations (W710H).

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  "signal_type": "reddit-company",
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  "detected_at": "2026-10-30T10:05:22+00:00",
  "company": {
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    "post_id": "1xjbboi",
    "summary": "Panasonic's KX-NS500 PBX is reported by a customer to be working reliably after 12 years, but is failing to register newly added third-party Fanvil/Linkvil IP DECT base stations (W710H).",
    "category": "integration",
    "comments": [
      {
        "url": "https://www.reddit.com/r/VOIP/comments/1xjbboi/comment/19rvvnms1ouyq/",
        "depth": 0,
        "score": 1,
        "author": "mansabraza",
        "excerpt": "Check two things on the Linkvil/Fanvil W710H base station web interface:\n\n Server Port vs. SIP Port: Make sure the SIP Server Port on the Linkvil base matches the NS500's new SIP extension/listening port, not just the trunk port. If the NS500 extension listening port is still 5060 while the trunk is 15060, pointing the base to 15060 will fail.\n\n Transport & Registration Expiry: Ensure transport is",
        "posted_at": "2026-10-30T14:58:57.000Z",
        "author_url": "https://www.reddit.com/user/mansabraza/"
      },
      {
        "url": "https://www.reddit.com/r/VOIP/comments/1xjbboi/comment/19rwwjkcqir43/",
        "depth": 0,
        "score": 0,
        "author": "sharin947",
        "excerpt": "Don’t …. You will regret.",
        "posted_at": "2026-10-31T04:45:58.000Z",
        "author_url": "https://www.reddit.com/user/sharin947/"
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    "evidence": [
      "[post] We have Panasonic PBX, KX-NS500NE, 12 years old but working fine with latest fw.",
      "[post] Now I want to add Fanvil/Linkvil IP Dect, (W710H base station + W620H handsets). But, it seems that NS500 can't register those."
    ],
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    "post_date": "2026-10-30T10:05:22.000Z",
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    "post_text": "We have Panasonic PBX, KX-NS500NE, 12 years old but working fine with latest fw. There are several analog and IP phones (panasonic and fanvil) installed. Now I want to add Fanvil/Linkvil IP Dect, (W710H base station + W620H handsets). But, it seems that NS500 can't register those. I can't find where the problem could be. For IP trunk needs, local port on NS500 is changed from 5060 to 15060 and I suspected that this could be problem, changed it under line settings, but it is still not working. There are latest firmwares on all sides. Any ideas?",
    "sentiment": "mixed",
    "subreddit": "VOIP",
    "event_date": "2026-10",
    "post_flair": [
      "Discussion"
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    "post_title": "Panasonic PBX with Linkvil",
    "prominence": "core",
    "source_url": "https://www.reddit.com/r/VOIP/comments/1xjbboi/panasonic_pbx_with_linkvil/",
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    "post_author": "zhex1905",
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    "comments_total": 3,
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    "event_date_text": "Now",
    "other_companies": [
      {
        "name": "Fanvil",
        "role": "partner",
        "domain": "fanvil.com"
      },
      {
        "name": "Linkvil",
        "role": "partner",
        "domain": "fanvil.com"
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    "signal_category": "feedback",
    "comments_included": 2,
    "products_mentioned": [
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curl https://signals.autobound.ai/v1/signals/6bd61ae6-f59b-54ab-a8e7-be488b79a3e1 \
  -H "X-API-KEY: $AUTOBOUND_API_KEY"

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"panasonic.com","limit":20}'