SIP Trunk Setup for Cisco Unified IP Conference Phone 8831
Setting up your device with Voyced as your Business VoIP Provider.
What You’ll Need
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Cisco Unified IP Conference Phone 8831 connected to your network
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Voyced account details:
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Account / telephone number:
Your-Voyced-DID -
Service password:
YourServicePassword -
SIP server:
sip.voyced.eu
-
-
Access to the phone’s web UI or Cisco Unified Communications Manager (CUCM)
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Administrator login
Requirements Before You Begin
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Latest firmware installed
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Ensure firewall/router allows SIP UDP to
sip.voyced.euand RTP UDP ports as per defaults -
Disable SIP ALG
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Test your Voyced account with a softphone
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Secure admin password
SIP Trunk Setup Steps (Standalone SIP Mode)
1. Access Web Interface
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Press Settings → Network Setup to find IP address
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Enter IP in browser, log in as admin
2. Create/Edit SIP Account
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User ID:
Your-Voyced-DID -
Auth ID:
Your-Voyced-DID -
Password:
YourServicePassword -
Proxy:
sip.voyced.eu -
Transport: UDP
3. SIP Server Settings
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Preferred: DNS NAPTR
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Fallback: SRV →
sipnl.voyced.eu -
Transport: UDP
4. Advanced Account Settings
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Caller ID Header:
PAI-RPID-F -
Voicemail Number:
1233 -
Voicemail Subscribe: Enabled
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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
-
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
-
Save, reboot
-
Confirm Registered status
-
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.
