VoIP Links

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Voice over IP (internet phone) links, with safety rules first. VoIP 911 calls send the address you registered, so update it whenever you move. Office phone systems must let you dial 911 directly without a prefix (Kari's Law) and send a location you can be found at. Caller ID can be spoofed, and carriers use STIR/SHAKEN to verify it. Services and gear below are commercial.

More on webcentive: voicemail | data networking | internet service | cellphones | today's VoIP and business phones news

Each site has quick lookups: who owns it (whois), its history (Wayback Machine), a safety check, and one-tap questions to AI helpers. Grok asks you to tap Send first.
Links last checked Oct 19, 2026.

Text Only | Markdown Xwhoishistorysafetysitesearch Google AI ModeGrokBing AI
VoIP rules: 911, robocalls and spoofing (start here)
911.gov - 911.gov: the national 911 program X: none found whois history safety search AI Mode Grok Bing AI
fcc.gov - FCC: VoIP 911, keep your registered address current X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (database) - FCC Robocall Mitigation Database: check a VoIP carrier X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (E911) - FCC: 911 and Enhanced 911 (E911) rules X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (location) - FCC: dispatchable location for 911 calls X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (MLTS) - FCC: office phone 911 rules (Kari's Law, RAY BAUM'S Act) X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (robocalls) - FCC: stop unwanted robocalls X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (spoofing) - FCC: caller ID spoofing X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (STIR/SHAKEN) - FCC STIR/SHAKEN caller ID authentication X: @FCC whois history safety search AI Mode Grok Bing AI
fcc.gov (VoIP) - FCC: what VoIP is X: @FCC whois history safety search AI Mode Grok Bing AI
ftc.gov - FTC Telemarketing Sales Rule for businesses that call X: @FTC whois history safety search AI Mode Grok Bing AI
Home and business VoIP service (commercial)
8x8.com - 8x8 (may block automated checks) X: @8x8 whois history safety search AI Mode Grok Bing AI
dialpad.com - Dialpad X: @dialpad whois history safety search AI Mode Grok Bing AI
google.com - Google Voice X: @GoogleWorkspace whois history safety search AI Mode Grok Bing AI
magicjack.com - magicJack: home VoIP X: none found whois history safety search AI Mode Grok Bing AI
microsoft.com - Microsoft Teams Phone (NetMeeting on the old page) X: @Microsoft whois history safety search AI Mode Grok Bing AI
nextiva.com - Nextiva X: @Nextiva whois history safety search AI Mode Grok Bing AI
ooma.com - Ooma: home and office VoIP X: @Ooma whois history safety search AI Mode Grok Bing AI
ringcentral.com - RingCentral X: @RingCentral whois history safety search AI Mode Grok Bing AI
voipreview.org - VoIP Review: compare providers (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
vonage.com - Vonage X: @Vonage whois history safety search AI Mode Grok Bing AI
zoom.com - Zoom Phone X: @Zoom whois history safety search AI Mode Grok Bing AI
IP phones and equipment
audiocodes.com - AudioCodes: VoIP gateways (on the old page) X: @AudioCodes whois history safety search AI Mode Grok Bing AI
cisco.com - Cisco (on the old page) X: @Cisco whois history safety search AI Mode Grok Bing AI
dialogic.com - Dialogic (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
grandstream.com - Grandstream IP phones X: none found whois history safety search AI Mode Grok Bing AI
hp.com - HP Poly (formerly Polycom) X: @HP whois history safety search AI Mode Grok Bing AI
spectralink.com - Spectralink: wireless phones (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
voiceage.com - VoiceAge: voice codecs (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
yealink.com - Yealink IP phones X: none found whois history safety search AI Mode Grok Bing AI
Open source PBX and developers
3cx.com - 3CX phone system X: @3CX whois history safety search AI Mode Grok Bing AI
asterisk.org - Asterisk: open source PBX (may block automated checks) X: none found whois history safety search AI Mode Grok Bing AI
freepbx.org - FreePBX (may block automated checks) X: @FreePBX whois history safety search AI Mode Grok Bing AI
telnyx.com - Telnyx: SIP trunking X: @telnyx whois history safety search AI Mode Grok Bing AI
twilio.com - Twilio: voice APIs X: @twilio whois history safety search AI Mode Grok Bing AI
Standards and reference
amazon.com - Amazon: VoIP phones (on the old page) X: @amazon whois history safety search AI Mode Grok Bing AI
fourmilab.ch - Fourmilab: Speak Freely (historical) (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
ietf.org - IETF RFC 3261: the SIP standard X: none found whois history safety search AI Mode Grok Bing AI
openh323.org - OpenH323 Project (historical) (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
packetizer.com - Packetizer: H.323 and SIP reference (on the old page) X: none found whois history safety search AI Mode Grok Bing AI
sipforum.org - SIP Forum X: none found whois history safety search AI Mode Grok Bing AI
tmcnet.com - TMCnet: VoIP news (on the old page) X: @tmcnet whois history safety search AI Mode Grok Bing AI
voip-info.org - voip-info.org: VoIP wiki X: none found whois history safety search AI Mode Grok Bing AI


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