SIP Trunk Setup for Fanvil X3U
Setting up your device with Voyced as your Business VoIP Provider.
What You’ll Need
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Fanvil X3U phone and power/network connection
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Your Voyced account details
Account / telephone number: Your-Voyced-DID
Service password: YourServicePassword
SIP server: sip.voyced.eu
Requirements Before You Begin
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Phone connected to stable internet
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Access to phone’s web interface
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Change default admin password for security
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Disable STUN
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Check device firmware is up to date
SIP Trunk Setup Steps
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Log in to the Fanvil X3U web interface.
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Go to Line → SIP → Account 1.
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Set SIP Server:
sip.voyced.eu, Port: 0, Transport: DNS NAPTR.-
If not supported, use SRV with port 5060.
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Fallback:
sipnl.voyced.eu, Port 5060, UDP.
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Enter Username: Your-Voyced-DID.
Password: YourServicePassword. -
Set Caller ID Header to PAI-RPID-F.
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Codecs (priority order):
List in this priority order (from higher quality to lower):
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G722 **
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G723 **
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G726 **
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PCMU (u-law)
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PCMA (a-law)
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G711
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G729
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Opus **
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iLBC **
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AMR-WB **
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AMR **
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GSM
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Any other codecs your device supports
Codecs marked with ** may be supported but aren't guaranteed to work across all global routes.
If you have audio issues, switch back to G711 or G729 and test again. -
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Enable voicemail, number 1233.
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Save and reboot.
Testing Your Setup
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Place an outbound call.
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Call the Voyced number from an external phone.
Final Tips
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Always keep firmware updated.
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If audio issues occur, switch codec priority.
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Keep your admin password secure.
Last updated: 01/08/2025
© Voyced
All information provided is copyrighted and purely informative in nature. It is maintained by Voyced with the greatest of care using reliable sources only.
Given the fast evolution of the telecom sector, Voyced does not offer any guarantee about the accuracy and completeness of the information offered.
We explicitly do not give anyone permission to use this information in any other way than to inform themselves about what (legal) requirements there may be and they need to comply with when registering Services and/or DIDs with Voyced.
