Route Selections (ARS)
📖 Introduction
Automatic Route Selection (ARS) automatically chooses the best outbound route based on cost, availability, or other criteria. The system evaluates multiple routes and selects the optimal one.
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🎯 Common Use Cases
| Scenario | ARS Benefit | |
|---|---|---|
| Cost optimization | Choose cheapest carrier | |
| Failover | Use backup if primary fails | |
| Load balancing | Distribute calls across trunks | |
| Geographic routing | Use local carrier for local calls |
🖥️ Accessing the Module
Navigation:PBX → Class of Service → Route Selections

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📝 Form Fields

| Field | Description | Example | |
|---|---|---|---|
| Name | ARS profile name | Cost Optimized | |
| Description | Notes | Cheapest route first | |
| Selection Method | How to choose routes | Priority | |
| Enabled | Profile is active | Yes |
Route Priority Table
| Priority | Route | Notes | |
|---|---|---|---|
| 1 | VoIP Carrier A | $0.01/min - primary | |
| 2 | VoIP Carrier B | $0.02/min - backup | |
| 3 | PSTN Trunk | $0.05/min - last resort |
🚀 Practical Example
Cost-Optimized Long Distance
| Priority | Carrier | Reason | |
|---|---|---|---|
| 1 | Twilio | Cheapest | |
| 2 | Telnyx | Backup | |
| 3 | PSTN | Failsafe |
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💡 Tips
TIP
Include PSTN backup: Ensures calls complete even if VoIP fails.TIP
Monitor route usage: Check CDR to see which routes are used most.---
🔗 Related Modules
- Gateways — Define available trunks
- Outbound Routes — Route destinations
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