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Easybell Integration

With Famulor, you can connect your Easybell telephony to an AI assistant. There are two ways – choose your path below and follow the corresponding step-by-step guide.

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Which path to choose?

You have …Then follow …
Only Easybell SIP Trunk (without Cloud Phone System)Step-by-step: SIP Trunk
Easybell Cloud Phone System ProStep-by-step: Cloud Phone System
  • SIP Trunk: The FQDN feature must be requested from Easybell (email to support@easybell.de, approx. €10/month).
  • Cloud Phone System Pro: The FQDN is already included, no separate request necessary.

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How it works in detail

Calls run from Easybell to Famulor and are assigned to your AI assistant. Flow of an incoming call:

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Step-by-step: SIP Trunk

Use only the Easybell SIP Trunk (without Cloud Phone System). Follow the steps in order.

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Step 1: Request FQDN feature from Easybell

The FQDN feature cannot be booked via the Easybell customer portal. Send an email to support@easybell.de with your Easybell customer number and request activation of the SIP Trunking FQDN feature for Famulor. Example email: 
Dear Easybell team,

Could you please activate the SIP Trunking FQDN feature for use with Famulor?

Thank you very much and best regards
Cost (as of August 2025): €10 / month. It may take several days to receive confirmation from support.

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Step 2: Configure in Famulor

  1. Log in at famulor.de.
  2. Select “Your Phone Numbers” on the left, then click “Integrate SIP Trunk”.
Famulor: Your Phone Numbers – Integrate SIP Trunk
  1. Fill in the SIP Trunk configuration:
    • Authentication: username and password (from Easybell).
    • Outbound Telephony: SIP address e.g. voip.easybell.de, number format (e.g., “International with +”).
SIP Trunk: Authentication and outbound telephony
  1. Set up Inbound Telephony:
    • Enter allowed IP addresses (see box below).
    • Note “Our SIP address” – you will need this in Step 3 for Easybell.
Inbound Telephony: SIP address and allowed IPs IPs to whitelist at Famulor (SIP Trunk):
  • TCP/UDP: 195.52.221.151, 195.185.214.173, 195.52.221.142
  • TLS: 212.172.204.95, 212.172.58.207
  1. Confirm the configuration. Then create an AI assistant and assign this phone number to them.
Edit Assistant: call direction, name, phone number

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Step 3: Enter details in Easybell customer portal

Enter the Famulor SIP address as call destination/domain in the Easybell customer portal – without the sip: prefix. Example: XXXXX.sip.livekit.cloud (your address can be found in Famulor under “Our SIP address”). UDP, TCP, and TLS are supported. For the number format, choose E.164 with a leading “+”.

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Authentication via FQDN in “Trunk” mode

If you operate Easybell in “Trunk” mode, configure authentication as follows:
  • Authenticate by: select fully qualified domain name (FQDN).
  • FQDN: enter exactly the value shown in Famulor under “Our SIP address” (without sip:).
  • Use SRTP: keep disabled (checkbox must not be checked).
The configuration then looks like the example screenshot below: Easybell Trusted IP settings with FQDN authentication (SRTP disabled)
Details: Easybell Help SIP Trunk FQDN.

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Step 4: Test

  • Test an incoming call to your Easybell number.
  • Check whether the AI assistant responds and the number format is correct.

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Step-by-step: Cloud Phone System

You use the Easybell Cloud Phone System Pro. The FQDN is already included – no email to Easybell required. First set up in Famulor (same as for SIP Trunk), then in the Cloud Phone System.

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Step 1: Configure in Famulor (as SIP Trunk)

  • As described in Step 2: Configure in Famulor (login → “Your Phone Numbers” → “Integrate SIP Trunk” → authentication, outbound and inbound telephony).
  • Important: For Inbound Telephony enter different IPs than for the pure SIP Trunk (see box below).
IPs to whitelist at Famulor (Cloud Phone System):
  • 62.144.211.104
  • 195.52.221.134
  • 195.52.221.137
Note “Our SIP address” from Famulor – this is needed in Step 2 at Easybell.

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Step 2: Set up Cloud Phone System at Easybell

  1. Open Cloud Phone System
    Log into the Easybell customer portal → Phone Functions → Cloud Phone System.
Easybell Dashboard – Manage Cloud Phone System
  1. Create a new FQDN extension
    In Extensions and Call Groups, click + Add. Extension type: FQDN connection. Under Incoming Telephony, assign the number and extension where Famulor should be reachable.
Select extension type FQDN connection Incoming Telephony: number and extension
  1. Enter FQDN
    Enter the Famulor SIP URI (“Our SIP address”) without sip: – e.g., your-unique-id.sip.livekit.cloud.
  2. Allow forwarding (optional)
    In the FQDN extension settings enable “Allow forwarding” if the AI assistant should forward calls to internal extensions. Only available with Cloud Phone System Pro; forwarding only allowed internally.
Enable forwarding in FQDN extension settings

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Step 3: Forwarding in Famulor (optional)

If calls should be forwarded to employees (extensions):
  • Create a cold or warm forwarding under Tools in Famulor and use it in your prompt.
  • Choose type “SIP” (not “phone number”).
  • SIP URL: internal short number in the format extension@easybell, e.g., 200@easybell. The “@easybell” is mandatory.
Famulor custom SIP forwarding e.g. 200@easybell

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Step 4: Test

Test an incoming call and check if the AI assistant answers and forwarding works if configured.

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Important notes

  • Number format: Set E.164 with leading “+” in Easybell.
  • SIP credentials: Keep username/password secure; password at least 12 characters with numbers, uppercase/lowercase letters, and optionally special characters.
  • Domain: Always use the SIP address shown by Famulor (e.g., … .sip.livekit.cloud).

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Common issues

The SIP Trunking FQDN feature must be requested from Easybell. Send an email to support@easybell.de with your Easybell customer number and a request for activation for Famulor. Activation may take several days.
Check the allowed IP addresses in Famulor under “Inbound Telephony” (enter SIP Trunk or Cloud IPs according to your setup). Make sure Easybell uses the number format E.164 with leading “+”.
Enter the exact SIP address from Famulor (“Our SIP address” under Phone Numbers → Integrate SIP Trunk). Without sip: prefix, without spaces – use only the displayed value (e.g., … .sip.livekit.cloud).
Only works with Cloud Phone System Pro and only for internal extensions. In the FQDN extension, enable the option “Allow forwarding”. Use forwarding type “SIP” in Famulor and SIP URL format extension@easybell (e.g., 200@easybell).

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Help

Our support will assist you with setup: support@famulor.io. For questions about FQDN/products: support@easybell.de.