Call Settings Overview

What you’ll learn: How to configure call settings including transfer numbers, AI models, voice options, caller ID, and call management features for optimal campaign performance.

Core Call Settings

Call Transfer Number

The phone number or SIP URI that your AI bot will transfer calls to when needed.
Standard Phone Number FormatEnter the phone number without the + prefix:
12185262990
The system will automatically format the number with the appropriate country code during call processing.

Disconnect Call Automatically

Automatically disconnect calls after a specified duration to prevent misuse and control costs.

Why Use Auto-Disconnect?

Configuration Options

DurationUse CaseRecommended For
2-3 minutesQuick surveys, confirmationsSimple interactions
5-7 minutesCustomer service, supportStandard conversations
10-15 minutesSales calls, consultationsComplex discussions
CustomSpecialized use casesEnterprise needs

Gateway Configuration

The communication gateway through which your calls are routed and processed.

Default Gateway Options

Standard Gateways

Included with all plans:
  • Vodex default gateway (Only for testing)
  • Standard SIP routing
  • Basic call management
  • Standard quality assurance

Custom SIP Integration

Enterprise SIP Solutions

Available for paid tiers:
  • Custom SIP provider integration
  • Enterprise-grade routing
  • Advanced call management
  • Dedicated support
To integrate: Contact support@vodex.ai
Need SIP Trunk Integration? Check our comprehensive SIP Trunk Requirements Guide for detailed technical requirements, configuration examples, and integration steps.

AI Model Selection

Choose the AI model that best fits your use case and performance requirements.

Out-of-the-Box Models

Professional AI models ready for immediate use:
Anthropic Claude Series
ModelBest ForCharacteristics
Claude HaikuQuick responses, simple tasksFast, efficient, cost-effective
Claude SonnetBalanced conversationsGood reasoning, natural dialogue
Ideal for:
  • Customer service interactions
  • Appointment scheduling
  • Information gathering
  • Professional conversations

Vodex Optimized Models

Specially tuned models optimized for calling scenarios:
Vodex Spark ModelsBased on Google’s Gemini architecture, optimized for voice conversations:
ModelOptimization
SparkBalanced performance for professional calls
Spark FlashUltra-fast responses, real-time conversations
Spark Flash LiteLightweight, cost-effective interactions
Model Selection Guide: Choose Spark for complex sales calls, Spark Flash for customer service, and Spark Flash Lite for simple confirmations or surveys.

Voice Configuration

Select from premium voice providers to create the perfect audio experience for your calls.

Available Voice Providers

Premium AI VoicesFeatures:
  • Ultra-realistic voice synthesis
  • Multiple voice personalities
  • Emotional expression capabilities
  • Multiple languages and accents
Availability:Included with all plansBest for:
  • Professional business calls
  • Customer service interactions
  • Sales conversations
  • Any scenario requiring natural-sounding voices
Voice Provider Access: While ElevenLabs is available by default, access to RimeLabs, Azure, and Google voices requires contacting support@vodex.ai for configuration.

Voicemail Detection

Advanced voicemail detection system to optimize call handling and costs.

How It Works

1

VAD-Based Detection

Voice Activity Detection Technology
  • Non-LLM based detection system
  • Works across all countries and languages
  • Independent of ASR, LLM, and voice settings
  • 85% accuracy rate in standard conditions
2

Smart Timing

Optimized Detection Timing
  • Bot starts speaking after 10 seconds of voicemail detection
  • Allows for various voicemail greeting lengths
  • Reduces false positives from long greetings
3

Beep Detection

Enhanced Accuracy with Beep Recognition
  • Detects voicemail beep signals
  • Restarts message delivery after beep detection
  • Ensures 90% voicemail drop success rate
  • Maximizes message delivery effectiveness

Cost Structure

ScenarioChargeExplanation
Voicemail Detected + Disconnected3 centsCall ends without leaving message
Voicemail Detected + Message Left3 centsSuccessful voicemail delivery
Live Person AnsweredStandard rateNormal conversation charges apply
Cost Optimization: The 3-cent voicemail charge is significantly lower than full conversation rates, helping you manage costs while maintaining campaign effectiveness.

Caller ID Configuration

Twilio Caller ID Management

Twilio Exclusive Feature: Caller ID configuration is only available when using Twilio as your gateway provider.

How Twilio Caller ID Works

Twilio’s Caller ID system allows you to display specific phone numbers to recipients, improving answer rates and call legitimacy.

Configuration Requirements

1

Phone Number Verification

Verify Your Numbers
  • All caller ID numbers must be verified with Twilio
  • Verification prevents spoofing and ensures compliance
  • Process typically takes 24-48 hours
2

Compliance Setup

Regulatory Compliance
  • Follow local telecommunications regulations
  • Ensure proper business registration
  • Maintain accurate caller identification
3

Number Pool Management

Optimize Number Usage
  • Rotate between verified numbers
  • Match caller ID to campaign type
  • Monitor number reputation and performance

Best Practices

Caller ID Strategy: Use local numbers for regional campaigns, toll-free numbers for national campaigns, and business numbers for professional services.
Campaign TypeRecommended Caller IDBenefits
Local BusinessLocal area code numbersHigher answer rates, local trust
National ServiceToll-free numbersProfessional appearance, no charges to recipients
Customer ServiceMain business lineBrand recognition, established trust
Sales OutreachDedicated sales numbersCall tracking, performance measurement

Next Steps

Now that you understand call settings:
  1. Configure your transfer number based on your routing needs
  2. Select the appropriate AI model for your use case
  3. Choose your voice provider (contact support for premium options)
  4. Set up voicemail detection to optimize costs
  5. Configure caller ID if using Twilio
Ready to optimize your calls? Proper call settings configuration ensures professional, cost-effective, and successful AI calling campaigns. Take time to configure each setting according to your specific needs.

Need advanced configuration? Check out our Advanced Settings guide for language codes, ASR options, webhooks, and transfer configurations.