SIP Trunk Setup for Digium D80
Setting up your device with Voyced as your Business VoIP Provider
What You’ll Need
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Digium D80 IP Phone
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Power and network connectivity (PoE or adapter)
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Your Voyced account details:
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Account / telephone number: Your-Voyced-DID
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Service password: YourServicePassword
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SIP server: sip.voyced.eu
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Web browser on the same network as the phone
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Admin login credentials for the D80 web interface or access to the phone’s touchscreen menus
Requirements Before You Begin
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Update the phone’s firmware to the latest available version
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Change the default admin password
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Ensure the phone has a stable internet connection
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If using a firewall, allow outbound UDP to sip.voyced.eu and sipnl.voyced.eu on port 5060
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Disable SIP ALG on your router
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STUN must be disabled
SIP Trunk Setup Steps
1. Access the Phone Interface
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Find the phone’s IP address via Menu > Status > Network
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Enter this IP in your browser or configure directly on the touchscreen
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Log in as admin
2. SIP Account Registration
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Account Name: Voyced
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SIP User ID / Authentication ID: Your-Voyced-DID
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Authentication Password: YourServicePassword
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Display Name: Voyced
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Caller ID Header: PAI-RPID-F
3. SIP Server Configuration
Recommended (redundant) setup:
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Primary SIP Server: sip.voyced.eu
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Port: 0
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Transport Type: DNS NAPTR
If DNS NAPTR not supported:
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Primary SIP Server: sip.voyced.eu, Port 5060
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Secondary SIP Server (fallback): sipnl.voyced.eu, Port 5060
Transport Protocol: UDP
4. Voicemail
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Voicemail Number: 1233
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MWI Subscribe: Enabled
5. Codec Settings
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.
6. Advanced Settings
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DNS Mode: SRV (fallback to manual host:port if not supported)
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RTP Port Range: 10000–20000
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Keep Alive Interval: 30 seconds
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Enable Rport: Yes
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SIP Version: RFC3261
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SIP Registration Retry Time: 32 seconds
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Strict Proxy: Enabled
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SRTP: Disabled unless specifically required by a secure trunk
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NAT Traversal: Off
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STUN: Disabled
Save and Finalise
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Save settings and reboot the phone
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Ensure the Voyced account shows as “Registered” in the phone’s status screen
Testing Your Setup
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Make and receive calls
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Check audio quality both ways
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Confirm voicemail access with 1233
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Test DTMF for menu navigation
Final Tips
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Do not expose the phone’s interface to the internet
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Always keep firmware up to date
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Ensure DNS NAPTR → SRV → host fallback is correctly configured
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Voyced SIP accounts do not guarantee emergency call routing
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.
