SIP Trunk Setup for Poly CCX 505
Setting up your device with Voyced as your Business VoIP Provider.
What You’ll Need
-
Poly CCX 505 handset connected to your network
-
Voyced account details:
-
Account / telephone number:
Your-Voyced-DID -
Service password:
YourServicePassword -
SIP server:
sip.voyced.eu
-
-
Access to the phone’s admin menu or web interface
-
Administrator login for the phone
Requirements Before You Begin
-
Update firmware to latest Poly CCX version
-
Ensure your firewall/router allows SIP UDP to
sip.voyced.euand RTP UDP ports as per defaults -
Disable SIP ALG on your network
-
Test your Voyced account with a softphone
-
Set a secure admin password
SIP Trunk Setup Steps
1. Access the Phone’s Settings
-
On the device, press Home → Settings → Advanced (default password
456unless changed) -
Navigate to Administration Settings → Lines → Add Line
2. Create or Edit a SIP Account
-
Label: Voyced
-
Address:
Your-Voyced-DID -
Authentication User ID:
Your-Voyced-DID -
Authentication Password:
YourServicePassword -
Server Address:
sip.voyced.eu -
Transport: UDP
3. SIP Server Settings
-
Preferred: DNS NAPTR
-
Fallback: SRV, then
sipnl.voyced.eu -
Transport: UDP
4. Advanced Account Settings
-
Caller ID Header:
PAI-RPID-F -
Voicemail Number:
1233 -
Voicemail Subscribe: Enabled
-
STUN: Disabled
-
DNS Mode: With fallback logic
-
NAT Keep Alive: Enabled
5. Codec Settings
List in this priority order (from higher quality to lower):
-
G722 **
-
G723 **
-
G726 **
-
PCMU (u-law)
-
PCMA (a-law)
-
G711
-
G729
-
Opus **
-
iLBC **
-
AMR-WB **
-
AMR **
-
GSM
-
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 and reboot
-
Confirm status shows Registered
-
Make test calls
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.
