| Who answers | Live, US-based receptionists, with AI tools assisting them. | An AI agent that follows your hours, answers and booking rules. | Nobody. The caller leaves a message. |
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| Price | From $250/month for 50 receptionist minutes; $720 for 200; $1,725 for 500. | NuTalk SMB: $299 USD/month for unlimited AI calls on your own compatible landline through the AiBox, one call at a time; fair use applies. AiBox installation: $149 USD one time, billed separately. Pay as you go starts free. | Usually included with your phone service. |
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| What counts toward the bill | Receptionist time in 60-second increments, rounded up, including hold time and after-call work. Extra minutes are billed at your plan's overage rate, which the pricing page doesn't list. | NuTalk SMB is flat; simultaneous-call capacity, numbers, carrier usage and hardware are confirmed for your package, and premium voices may be billed separately. Fair use applies: we review usage above 5,000 minutes a month per line. | Nothing extra. |
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| Appointment booking | Receptionists book in your online calendar if it fits Ruby's guidelines. | Books, confirms and reschedules on Cal.com, Google Calendar or NuTalk scheduling. | Someone has to call back. |
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| Spanish | Spanish and bilingual answering included; confirm the hours bilingual receptionists cover. | English and Spanish on the same line. | Only your recorded greeting. |
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| After hours | 24/7 live answering; after-hours calls use plan minutes. | Answers on the hours and rules you set, including nights and weekends. | Takes messages at any hour; nothing gets resolved. |
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| After the call | Messages in the Ruby app and portal, AI call transcripts and sentiment, voicemail transcription. | Recording, transcript, summary and evaluation, WhatsApp follow-up and CRM sync. | An audio message to return. |
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| Best fit | Callers who expect a person, and calls that need judgment. | Routine and after-hours calls, bookings, higher volume, English and Spanish. | Very low call volume where callbacks are acceptable. |
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