Telephone numbers

Here is a list of (international) telephone numbers that might have been available at one point for testing:

PSTN numbers

• Various phone tests (ANI/CLI, echo & dtmf test, etc from here)
  • AU: +61285038000
  • NZ: +6498876986
  • UK: +442087599036 BT line test
  • US: +18004444444 MCI caller id
  • US: +12136210002 milliwatt test
• receive SMS
• UK: +441843808393 This museum is (not) obsolete telephone exchange from Sam Battle's LOOK MUM NO COMPUTER channel, available during opening hours
  • 6900 phone and answering set
  • 6901 phone and answer machine
  • 6902 toilet
  • 6903 phone
  • 5820 announcer
  • 5813 announcer
  • 6907 disk

SIP numbers

• via sip5060.net
  • sip:test.time@sip5060.net time announcement
  • sip:test.dtmf@sip5060.net DTMF test
  • sip:test.echo@sip5060.net echo test
  • test.ring@sip5060.net ringback test

also see

• extensions
• Reserved extension numbers
• dialplan