SIP Trunk Setup for Grandstream GXV3470
Setting up your device with Voyced as your Business VoIP Provider.
What You’ll Need
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Grandstream GXV3470 video phone
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Voyced account details (as above)
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Network access
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Admin login
Requirements Before You Begin
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Latest firmware from Grandstream
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Open SIP UDP to
sip.voyced.euand RTP UDP ports10000–20000 -
Disable SIP ALG
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Voyced account tested
SIP Trunk Setup Steps
1. Access the Web UI
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Find IP via Menu → Status
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Log in as admin via browser
2. Account Setup
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Accounts → Account 1 → General Settings:
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Account Name: Voyced
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SIP Server:
sip.voyced.eu -
SIP User ID:
Your-Voyced-DID -
Authenticate ID:
Your-Voyced-DID -
Password:
YourServicePassword
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3. SIP Server Settings
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Preferred: DNS NAPTR, fallback SRV
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UDP transport
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Fallback host:
sipnl.voyced.eu
4. Advanced Settings
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Caller ID Header: PAI-RPID-F
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Voicemail: 1233
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STUN: Disabled
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DNS Mode with fallback logic
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NAT Keep Alive: 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.
Testing
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Save, reboot, check Registered status
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Test calls
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.
