The Caller ID integration with your Flipdish POS system is crucial for fast, accurate customer service, especially in high-volume environments like restaurants and delivery businesses. This device allows you to provide a better and more efficient standard of customer service. When a customer calls you, names, loyalty ratings and numbers are displayed automatically allowing you to immediately personalise their experience.
1. Analogue Setup
How it works: Use an RJ11 splitter on the phone line. Connect one RJ11 cable from the splitter to the Caller ID device, then another from that device to the POS.
Benefits: Simple, reliable, and requires no networking.
2. VoIP Setup
Typical setup: VoIP phones connect via Ethernet to a router or switch (normally at gigabit speed).
With the voip callerid the gigabit speed is slowed down by the 10/100 switch. In the image above, the incoming call travels via the orange Ethernet cable into the 10/100 Mbps switch. Then goes through the RJ45 CLI in this case from the green ethernet cable and to the VoIP phone as seen here with the grey ethernet cable. The 10/100 switch has its own power supply.
3. ATA Device Setup
When to use: If the VoIP provider doesn’t support RJ45 VoIP Caller ID, or if compatibility issues arise.
Solution: Request an ATA (Analog Telephone Adapter) from your provider. This provides an RJ11 analog port—into which you can plug the Caller ID device.
⚠️ Important Considerations
VoIP variability: Some providers’ ATAs only work with 10/100 Ethernet and RJ45 CLI units; others (e.g. BT VoIP UK) require ATA + RJ11 Caller ID .
POE phones add complexity: Power-over-Ethernet models may need special setup or adapters.
Inventory suggestion: It's wise to stock multiple RJ11 Caller ID units and 10/100 switches due to inconsistent compatibility.
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