Some broadband routers have a SIP ALG setting that is supposed to help SIP calls navigate the...One Way Audio or no Audio? Try STUN server setting
If you are having issues with one way audio or no audio coming though this can often be as a...My Client doesnt Support DNS SRV
If you cannot register and your client cant connect using just irishvoip.com as your serverThen...My mobile network blocks SIP - what next?
Irish VoIP uses a non standard port for VoIP so if your ISP is blocking the service they may be...