You can call the following VoIP numbers for free. From a softphone, just copy&paste the full SIP address (sip:user@domain.com).
From a hardware SIP adapter, copy & paste the full SIP address into your speed dial web page. All of these numbers worked in July 2011.
From a hardware SIP adapter, copy & paste the full SIP address into your speed dial web page. All of these numbers worked in July 2011.
Dialing through PSTN
- http://thetestcall.blogspot.com +1 408-647-4636 (40-voip-info) record/playback, dtmf tests, MOH, audio bridge and more
Dialing through SIP URI (all destinations listed working as of Jan 1, 2013)
- Free 411 sip:411@ideasip.com +1-800-FREE411 US free directory assistance
- Comedy Cures Foundation sip:18884242424@tollfree.alcazarnetworks.com (daily joke)
- Mouselike.org (UK) Echo and audio quality tests sip:904@mouselike.org or PSTN:+441483604781 - Allows test / connection from anywhere.
- Telephreak sip:telephreak@voip.telephreak.org - The Telephreak's Free Voicemail/Conference system
- VoIP Users Conference sip:200901@login.zipdx.com (only active Fridays at 12pm Eastern)
- UCLA sip:13108254321@ucla.edu (no G.729)
- QXIP Music on Hold sip:9999@qxip.net (Curtesy of QUASARMUSIQ)
- QXIP Streaming sip:9901@qxip.net (Hypemachine RSS Feeds)
- QXIP Streaming sip:9902@qxip.net (Misc. ...