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Overview

Choose from a diverse library of AI voices to give your agent the perfect personality and tone. Browse voices by gender, language, style, and dialect, then preview and select the one that best represents your brand.
Voice Library Features:
  • 100+ professional AI voices
  • Multiple languages (English, Arabic)
  • Regional dialects
  • Conversational and narrator styles
  • Favorite management
  • Recently used tracking
  • Audio previews for every voice

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Voice Library

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Browsing Voices

Navigate to Voices in the sidebar to access the voice library. Four tabs organize voices:
  1. All Voices - Complete library of available voices
  2. Favorite Voices - Voices you’ve marked as favorites
  3. Currently Used - Voices recently used in your agents
  4. My Voices - Custom voices you’ve created

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Voice Cards

Each voice displays:
  • Name - Voice identifier
  • Profile Image - Visual representation
  • Language - English or Arabic
  • Location/Dialect - Country or regional accent
  • Gender - Male or Female
  • Style - Conversational or Narrator
  • Play Button - Preview the voice
  • Favorite Icon - Add/remove from favorites

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Playing Voice Previews

To preview a voice:
  1. Find a voice card
  2. Click the Play button
  3. Listen to the audio sample
  4. Click again to stop playback
Preview multiple voices to compare tones, paces, and styles before selecting one for your agent.

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Filtering Voices

Use filters to narrow down the voice library:

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Gender Filter

  • Male - Masculine voices
  • Female - Feminine voices
  • Both - Show all genders

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Language Filter

  • English - English language voices
  • Arabic - Arabic language voices
  • Both - Show all languages

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Style Filter

  • Conversational - Natural, friendly voices for conversation
  • Narrator - Clear, articulate voices for announcements
  • Both - Show all styles

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Dialect Filter

Select specific regional accents (Arabic only): Arabic Dialects:
  • Egyptian (EG)
  • Jordanian (JO)
  • Saudi Arabian (SA)
  • UAE (AE)
  • Levantine
  • Gulf
  • North African
Dialect filtering is only available for Arabic voices. English voices don’t have dialect options.
Search by voice name: 
Type in search box: "Sarah", "Ali", "Professional"
The search filters voices in real-time as you type.

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Clear Filters

Click Clear Filters to reset all filters and show the complete library.

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Filter Results Count

The interface shows: “Filter Result X Voice” to indicate how many voices match your current filters.

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Managing Favorites

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Add to Favorites

  1. Find a voice you like
  2. Click the Star icon on the voice card
  3. Voice is added to “Favorite Voices” tab
Voice added to favorites successfully!

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Remove from Favorites

  1. Go to Favorite Voices tab (or find the voice anywhere)
  2. Click the filled Star icon
  3. Voice is removed from favorites

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Using Favorites

Benefits of favoriting voices:
  • Quick access to preferred voices
  • Easily compare your top choices
  • No need to search repeatedly
  • Share favorite voice IDs with team members
Build a curated collection of 3-5 favorite voices for different use cases: customer service, sales, support, etc.

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Using Voices in Agents

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In Single Prompt Agents

  1. Open your Single Prompt Agent
  2. Navigate to Voice Settings
  3. Click Select Voice
  4. Browse, filter, and preview voices
  5. Click voice card to select
  6. Voice is applied to your agent
Voice settings also include:
  • Voice speed adjustment
  • Language selection
  • Temperature control

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In Flow Agents

Flow agents can use different voices for different scenarios: Global Voice (All nodes):
  1. Open Flow Agent settings
  2. Navigate to Voice Settings
  3. Select default voice for the entire flow
Node-Level Override:
  1. Select a Conversation Node
  2. In node settings, override the voice
  3. This node will use a different voice
Example Use Case: 
Main Voice: Professional female English voice
Transfer Node Voice: Calm male voice saying "Please hold while I transfer you"
Emergency Node Voice: Clear, authoritative voice for urgent messages

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Voice Details

Each voice in the library includes:

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Basic Information

Name - Unique voice identifier
  • Example: “Sarah - Professional”, “Ali - Friendly”
Gender - Male or Female
  • Helps match brand personality
  • Affects how customers perceive the agent
Language - English or Arabic
  • Must match agent’s conversation language
  • Determines available dialects

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Regional Information

Location/Dialect
  • English: US, UK, Australia, Canada, India
  • Arabic: Egypt, Jordan, Saudi Arabia, UAE, etc.
Country Code
  • Two-letter code (US, EG, JO, SA, AE)
  • Used in API integrations

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Style Information

Voice Style/Type Conversational
  • Natural, friendly tone
  • Best for: Customer service, sales, support
  • Sounds like a helpful person
Narrator
  • Clear, articulate delivery
  • Best for: Announcements, instructions, information
  • Sounds like a professional speaker

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Audio Preview

Every voice includes an audio sample showing:
  • Pronunciation and clarity
  • Speaking pace
  • Tone and personality
  • Accent and dialect

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Recently Used Voices

The Currently Used tab shows voices you’ve recently used in agents. Features:
  • Automatically updated when you select a voice
  • Shows most recent at the top
  • Includes voices across all agents in project
  • Quick access for consistency
Use cases:
  • Maintain brand consistency across agents
  • Quickly find the voice you used last week
  • Remember which voice worked well

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Copy Voice Information

Copy Voice ID:
  1. Open voice card actions menu
  2. Click Copy ID
  3. Voice ID copied to clipboard
Copy Voice Name:
  1. Open voice card actions menu
  2. Click Copy Name
  3. Voice name copied to clipboard
Voice IDs are useful for API integrations and programmatic agent configuration.

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Voice Selection Best Practices

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Matching Voice to Use Case

Customer Service
  • Style: Conversational
  • Tone: Friendly, helpful, patient
  • Gender: Match your brand preference
Sales
  • Style: Conversational
  • Tone: Confident, enthusiastic, engaging
  • Gender: Test both to see what converts better
Support (Technical)
  • Style: Narrator or Conversational
  • Tone: Clear, professional, reassuring
  • Gender: Clear pronunciation matters most
Announcements
  • Style: Narrator
  • Tone: Authoritative, clear
  • Gender: Match company voice
Appointment Reminders
  • Style: Conversational
  • Tone: Friendly but professional
  • Gender: Neutral preference

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Brand Alignment

Formal Brands (Law firms, financial services)
  • Professional, clear voices
  • Narrator style or formal conversational
  • Slower pace
Casual Brands (Retail, hospitality)
  • Friendly, warm voices
  • Conversational style
  • Natural pace
Tech Brands (Software, startups)
  • Modern, clear voices
  • Conversational style
  • Efficient pace

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Language and Dialect Considerations

English Markets:
  • US voices for North American audience
  • UK voices for European audience
  • Consider local accents for regional businesses
Arabic Markets:
  • Match dialect to target region
  • Egyptian Arabic for broad Middle East appeal
  • Gulf dialects (Saudi, UAE) for GCC markets
  • Levantine (Jordan, Syria) for Levant region

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Testing Voices

Before committing to a voice:
  1. Preview extensively - Listen to full sample multiple times
  2. Test with content - Use in test calls with your actual script
  3. Get feedback - Have team members and test users listen
  4. Compare options - Test 2-3 similar voices side by side
  5. Check consistency - Ensure voice works across all scenarios
Don’t select a voice based solely on the preview. Test it in actual conversation scenarios to ensure it works well for your specific use case.

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Common Voice Issues

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Voice Sounds Too Fast

Solution: Adjust voice speed in agent settings
  • Go to Voice Settings
  • Reduce speed percentage
  • Test again

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Voice Doesn’t Match Brand

Solution: Refine filters and test more options
  • Revisit gender, style, dialect choices
  • Preview more voices in your preferred category
  • Consider custom voice cloning

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Can’t Find Previously Used Voice

Solution: Check Recently Used tab
  • Go to “Currently Used” tab
  • Sort by most recent
  • Or use search with voice name

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Favorite Icon Not Working

Solution: Ensure project is selected
  • Check project dropdown
  • Reload page if needed
  • Try toggling favorite again

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Limits and Quotas

Voice Library:
  • No limit on how many voices you can preview
  • No limit on favorites
  • Recently used shows last 20 voices
Voice Usage:
  • Each agent can use one voice (or multiple via node overrides in Flow Agents)
  • Voice selection is instant
  • No processing time required

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Voice Library Updates

The Hamsa voice library is regularly updated with new voices:
  • New languages and dialects
  • Improved voice quality
  • Additional styles and tones
Check back periodically to discover new voices that might better fit your needs.

Voice Cloning

Create custom voices with your own audio

Single Prompt Voice Settings

Configure voice settings in Single Prompt Agents

Flow Agent Voice Configuration

Set up voices in Flow Agents

Testing Agents

Test how your voice sounds in real calls