SIP Trunk Setup for Voyced – Issabel
This manual explains how to connect your Issabel PBX system to Voyced using a standard chan_sip trunk configuration. It enables both inbound and outbound calling.
What You’ll Need
Make sure you have:
-
Admin access to the Issabel web interface
-
One or more extensions already configured
-
These Voyced SIP credentials:
| Field | Value |
|---|---|
| SIP Username | Your-Voyced-DID |
| SIP Password | YourServicePassword |
| SIP Server | sip.voyced.eu |
| SIP Port | 5060 |
| Codecs | alaw, ulaw, g729 |
| Transport Protocol | UDP |
Also ensure your firewall allows:
-
UDP 5060 – for SIP signalling
-
UDP 10000–20000 – for RTP audio
Step-by-Step Configuration
Step 1: Log into Issabel
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Access your Issabel server via browser:
http://<server-ip>/ -
Login as admin
-
Navigate to PBX > PBX Configuration
Step 2: Add SIP Trunk
-
Click Trunks in the left sidebar
-
Click Add SIP Trunk
General Settings:
-
Trunk Name:
Voyced -
Outbound Caller ID: Leave empty (or enter if required)
-
Maximum Channels: Based on your Voyced subscription
Step 3: Outgoing Settings
Trunk Name (label below this section):
voyced-out
PEER Details:
Step 4: Incoming Settings
Leave empty unless Voyced provided specific details. Registration-based trunks don’t usually require this.
Step 5: Registration String
Paste this under Registration:
Step 6: Submit and Apply
-
Click Submit Changes
-
Click Apply Configuration Changes (orange bar at the top)
Step 7: Add Inbound Route
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Go to Inbound Routes
-
Click Add Incoming Route
Configure:
-
Description:
Voyced Inbound -
DID Number:
Your-Voyced-DID -
Set Destination: Choose your extension, ring group, or IVR
Click Submit and Apply Changes
Step 8: Add Outbound Route
-
Go to Outbound Routes
-
Click Add Route
Route Settings:
-
Route Name:
voyced-out -
Dial Patterns: Add something like
X.to allow any outbound number
Trunk Sequence:
-
Select your Voyced trunk
Click Submit, then Apply Changes
Step 9: Testing and Debugging
Use the Asterisk CLI to confirm everything is working:
For live call debugging:
Summary Table
| Setting | Value |
|---|---|
| SIP Server | sip.voyced.eu |
| SIP Username | Your-Voyced-DID |
| SIP Password | YourServicePassword |
| Registration | Your-Voyced-DID:YourServicePassword@sip.voyced.eu/Your-Voyced-DID |
| NAT | force_rport,comedia |
| Media Handling | directmedia=no |
| Codecs | alaw, ulaw, g729 |
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.
