General Terms and Conditions (GTC)

1. Scope and Offer

1.1 Validity of the GTC

These General Terms and Conditions (GTC) apply to all services provided by EchoCall LLC (hereinafter \"Provider\" or \"we\") to B2B customers (hereinafter \"Customer\"). The GTC apply to one-time and recurring services as well as contracts for access to the EchoCall platform (SaaS).

1.2 Contract Conclusion

The provider offers its services via the website echocall.de By ordering and paying for a package, the customer declares their agreement with these GTC.

After successful payment processing, the customer receives by email:

• Invoice
• These Terms of Use
• Data Processing Agreement (DPA)
• Access credentials via Magic Link (password-free)

1.3 Deviating Conditions

Deviating or supplementary conditions of the customer only become part of the contract if they are acknowledged by the provider in writing. This applies in particular to individual agreements in the enterprise segment.

2. Subject Matter and Service Description

2.1 Scope of Services — Consulting and SaaS

EchoCall LLC provides integrated services consisting of professional consulting and support services (approx. 70% of the scope of services) as well as the provision of the SaaS platform (approx. 30% of the scope of services):

A. Consulting and Services (Core Service)

• Strategic and Technical Consulting: Analysis, recommendations, architecture, optimization
• Onboarding and Implementation: Project management, setup, integration, data migration
• Training: Administrator training, end-user training, documentation
• Support and Maintenance: Technical support, troubleshooting, optimization
• Dedicated Manager (optional): Personal account manager, business reviews

B. SaaS Platform (Tool)

• Voice Agents (automated telephony with EchoCall-Voice AI)
• Chat Agents (automated text conversation with EchoCall-Smart AI)
• Hybrid Smart Chat (combined solutions)
• Dashboard Management (EchoCall Hub)
• Integrations and Workflows
• Reporting and Analytics

Standard Support — Included free of charge:

• Availability: Weekdays 09:00-17:00 CET
• Communication channel: Email via team@echocall.de
• Support types: General questions, troubleshooting, documentation

Premium Support (SLA) — Optional add-on:

• Guaranteed response times for critical issues
• Prioritized processing of support tickets
• Direct contact to technical specialists
• Telephone support
• Proactive monitoring

The provider aims for 99.9% platform availability. This is not a performance promise but an intended goal. The provider is not liable for downtime caused by maintenance, force majeure, or problems with sub-service providers.

3. Prices and Payment Terms

3.1 Pricing Model

Current prices are documented at https://echocall.de. Prices are in Euro (EUR) plus applicable taxes.

3.2 Fee Models

The customer can choose the following models:

• Per Session/Chat: Billing based on actual conversations
• Per Minute: Minute-accurate billing for voice agents
• Package models: 3, 6, or 12 months with tiered rates

3.3 Payment Terms — Prepayment

Payment by prepayment: All payments are made by prepayment. The product is only activated after successful payment confirmation. The customer receives immediately:

• Invoice copy
• These GTC and DPA
• Access credentials via Magic Link

4. Termination and Duration

4.1 Termination

The customer can cancel their subscription with one month's notice to the end of a billing period. Cancellation is made via the \"Cancellation\" button in the EchoCall Hub or by email to team@echocall.de

4.2 Contract Durations

• 3-month package: Automatic renewal for 3 months unless cancelled 1 month in advance
• 6-month package: Automatic renewal for 6 months unless cancelled 1 month in advance
• 12-month package: Automatic renewal for 12 months unless cancelled 1 month in advance

4.3 Termination by Provider

The provider may terminate the contract extraordinarily if:

• The customer seriously violates these GTC
• The customer uses the service for illegal or harmful purposes
• The customer is at least 30 days in arrears with payments

5. Data Protection and Data Security

5.1 Privacy Policy

The provider processes personal data in accordance with the privacy policy at Privacy Policy

5.2 Data Processing

Insofar as the customer processes personal data, the Data Processing Agreement (DPA) applies. The customer is responsible for the legal compliance of their data processing.

5.3 Sub-processors

The provider uses the following sub-processors:

• EchoHubTTS-eu: Text-to-Speech, Voice Cloning (EU servers)
• Ionos: Server hosting (Germany, France)
• N8N: Workflow automation (self-hosted on Ionos)
• Google Analytics: Website analytics (website only, not customer data)
• Stripe: Payment processing (credit card, SEPA)
• PayPal (optional): Alternative payment method

The provider has concluded data protection agreements with all sub-processors.

6. AI Models and Proprietary Model Development

EchoCall LLC has developed proprietary AI models:

• EchoCall-Voice: For telephony agents
• EchoCall-Smart: For chat agents

These models are included as standard in all packages and are free of charge.

Model Use and Training Data

EchoCall LLC improves its models through machine learning with anonymized conversation data:

• No customer personal data (names, addresses, emails, numbers)
• Legal basis: Art. 6 para. 1 lit. f GDPR (legitimate interest)
• The customer can disable this feature in the EchoCall Hub

Optional External AI Models

The customer can optionally use:

• Google Gemini
• GPT-4 and GPT-5
• DeepSeek

7. Liability and Warranty

7.1 Disclaimer

The provider is not liable for:

• Indirect damages (lost profits, business loss, data loss)
• Damages due to force majeure or external circumstances
• Damages due to misuse or violation of these GTC

8. Contact and Imprint

EchoCall LLC

5830 E 2nd St Ste 7000

Casper, WY 82609, USA

E-Mail: team@echocall.de

+49 3221 2619023

9. Severability Clause

Should any provision of these GTC be invalid, the remainder remains valid. The parties undertake to replace the invalid clause with a valid one.

10. Applicable Law and Jurisdiction

These GTC are subject to the substantive law of the State of Wyoming (USA), with full application of the GDPR and German data protection law.

For disputes: Jurisdiction Berlin (for customers in Germany/EU).

Valid from: November 2025 · Version 1.0 - FINAL