Phone Numbers

Business SIP Provider
Provider Plan Details Monthly Rate *
Nextiva SIP Trunking PBX SIP Trunking
  • Compatible with nearly all PBX systems
  • US-based support
  • No contracts at all
$14.95
Details
Vocalocity Unlimited Extension
  • Unlimited calling and long distance
  • Company Call Record, Voicemail to email transcription
  • No contracts, not setup or installation fees
$24.99
Details
RingCentral SIP RingCentral Office
  • Unlimited calling and faxing
  • No Commitment, No Setup Fees, No Installation
$19.99
Details
Jive Communications Smart PBX
  • Unlimited Use of All Features
  • Free Long-Distance
  • No Contracts or Hidden Fees
$21.95
Details
8x8 8x8 IP Trunking
  • No contract required.
  • Unlimited Calls (9 free countries)
  • Save 50% or more
$29.99
Details
Improcom VoIP Unlimited Business SIP Solution
  • Best overall quality & service
  • Unlimited calling in/out
  • Month to month agreement
$24.95
Details
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.

Dialing through PSTN


+1 703-376-ECHO (3246) - has options to record/playback audio for quality testing and a DTMF key test to help determine how well DTMF is passed by your device or SIP/PSTN client through the network

Dialing through SIP URI








- User Conferences, Ham Radio & CB Radio network linked, Scanner feeds, Local Pay Phones (free), Dial Up modems, + More!
























Dialing through ENUM


  • ENUM Test +43 720 0101011 This number is reachable only via ENUM+SIP. After connect you will hear the word "ENUM" followed by some music.

  • ENUM Test +43 720 0101012 This number is reachable only via ENUM+SIP. You get connected to Asterisk's Echo application.

  • ENUM Test +43 720 0101010 This number is reachable via PSTN and ENUM+SIP. If you get connected via ENUM you will hear the word "ENUM" followed by some music. If you connect via PSTN you will only hear some music.

  • ENUM Test +43 780 004711 This number is reachable via PSTN and ENUM+SIP. Both variants will be delivered to this Asterisk box via SIP. This test number is to test the reachability of Austrian's new '+43 780' numer range (ENUM based number range). After connect you will hear the word "ENUM" followed by some music.

  • ENUM Test +43 780 0047111 This number is reachable via PSTN and ENUM+SIP. Both variants will be delivered to this Asterisk box via SIP. This test number is to test the reachability of Austrian's new '+43 780' numer range (ENUM based number range). You get connected to Asterisk's Echo application. resolves to sip:enum-echo-test@sip.nemox.net

  • ENUM Test +43 780 0047112 This number is reachable via PSTN and ENUM+SIP. Both variants will be delivered to this Asterisk box via SIP. This test number is to test the reachability of Austrian's new '+43 780' numer range (ENUM based number range). You get ring-back indication for few seconds, and then you get busy indication (toll-free testing).

  • ENUM Test +43 780 0047113 This number is reachable via PSTN and ENUM+SIP. Both variants will be delivered to this Asterisk box via SIP. After pickup, you will hear a constant 1.000 Hz tone. You will hear tone interruptions if the clients's Jitter-Buffer can't handle the Jitter caused by your Internet connectivity.

Notes:
Please list only *open* VoIP phone numbers and Free VoIP Networks, meaning that you have successfully made a call to that number from a SIP proxy located in a different domain. Some numbers such as Vonage numbers can only be called for free from other Vonage phones, so Vonage is NOT open to calls from other SIP proxies.


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Created by: human455, Last modification: Wed 26 of Oct, 2011 (15:07 UTC) by adam4


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