• SIP Voip Checker 1
  • SIP Voip Checker 2
  • SIP Voip Checker 3
  • SIP Voip Checker 4

SIP Voip Checker

SIP Voip Checker is an app to test SIP accounts and SIP network access.
A default account can be used in order to test. Then, you can try (and compare)with your own sip service provider.

SIP Voip Checker will do the following test:

Step 1:


* check network access
* DNS query to resolve your sip server address
* DNS query to resolve your stun/turn server address
* initiate a NAT check

Step 2:


* REGISTER to your sip account with UDP, then delete registration
* REGISTER to your sip account with TCP, then delete registration
* REGISTER to your sip account with TLS, then delete registration
* REGISTER to your sip account with UDP and STUN, then delete registration
* REGISTER to your sip account with TCP and STUN, then delete registration
* REGISTER to your sip account with TLS and STUN, then delete registration
* REGISTER to your sip account with TLS and STUN on remote port 9091, then delete registration

sidenote: last test is for "sip.antisip.com" where the service also run for TLS on port 9091.

This app is pretty basic: if you wish any additionnal feature, please let me know and I'll think about it ;)

Category : Communication

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Reviews (9)

Don. J. May 11, 2021     

This is a wonderful app. The silence on router firewall issue's is deafening. I expect this to be a great tool as soon as I figure out what the results indicate. Are there any definitions available?

Yut. T. Apr 10, 2019     

I tried several other STUN checkers but this was the only one that identified NAT types correctly. This app also detects port preservation and hairpin behaviors. Such a brilliant work!

tua. n. Sep 27, 2019     

Excellent apps. Many thanks to who has made this apps. Very very excellent.

dor. a. May 18, 2019     

can you add an option to change the udp/TCP port? my system work with a different port.

Gal. T. Jun 25, 2020     

Great sip testing tool

A. G. u. Jan 7, 2018     

Another frustratingly flawed voip test app. Doesn't register properly because settings incomplete.

Dan. B. Aug 13, 2015     

... But could you extend it to test sdp/rtp as well, as often firewall problems only show up as silent calls etc

Kei. S. May 25, 2015     

Works great, my firewall rules were good, Just needed the added security

jay. Mar 16, 2017     

Great app to test