SIP Trunk Setup for Yealink T31P
Setting up your device with Voyced as your Business VoIP Provider.
What You’ll Need
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Yealink T31P phone and power/network
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Voyced account details as above
Requirements Before You Begin
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Stable internet connection
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Access to web interface
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Change admin password
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Disable STUN
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Update firmware
SIP Trunk Setup Steps
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Log in to the Yealink T31P web interface.
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Go to Account → Register.
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Set Register Server:
sip.voyced.eu, Port: 0, Transport: DNS NAPTR.-
SRV (5060) if no NAPTR.
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Fallback:
sipnl.voyced.eu(5060).
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Enter User Name and Auth Name: Your-Voyced-DID.
Enter Password: YourServicePassword. -
Set Caller ID Header to PAI-RPID-F.
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Enable voicemail, number 1233.
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Save and reboot.
Testing Your Setup
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Test inbound and outbound calls.
Final Tips
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Secure admin access.
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Monitor call quality.
Last updated: 01/08/2025
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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.
