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Frequently asked questions about Powerpack, Plivo’s intelligent number pool for optimized message delivery.

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Powerpack Overview

For detailed information on what Powerpack is, its benefits, features (Smart Sender, Local Connect), and setup instructions, see Powerpack Concepts. For code examples, see the Powerpack Quickstart Guide.

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What types of numbers can I add to Powerpack?

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Long Codes

Add US/Canada long codes for A2P messaging:
  • Requires 10DLC registration for optimal throughput
  • Recommended: < 200 messages/day per number

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Toll-Free Numbers

Add verified toll-free numbers:
  • Higher throughput (25 MPS)
  • Best for 2FA, notifications

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Short Codes

Add short codes for maximum throughput:
  • One US short code per Powerpack
  • One Canada short code per Powerpack
  • Same short code cannot be in multiple Powerpacks

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Can I add a short code number to my Powerpack?

Yes. You can add one US short code and one Canada short code per Powerpack.

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Can I add multiple short code numbers to my Powerpack?

No. Only one US short code and one Canada short code per Powerpack.

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Can I add the same short code number to multiple Powerpacks?

No. A short code can only belong to one Powerpack.

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What are the benefits of adding a short code to my Powerpack?

  • Maximum throughput (100+ MPS)
  • Carrier-approved for A2P messaging
  • Falls back to long codes if short code is unavailable

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Why are long code numbers being used for outbound messages when I have a short code in my Powerpack?

Even with short code priority enabled, long codes may be used when:
  • Short code throughput exceeded
  • Network compatibility issues
  • Carrier-specific routing

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How do I remove a short code from my Powerpack?

To disable short code:
  1. Disable “prioritize short code” feature
  2. Messages will use other numbers
To permanently remove:
  1. Open support ticket
  2. Request short code removal

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What happens when a Powerpack SMS or MMS recipient replies with an opt-out keyword?

When recipient texts STOP:
  1. Subscriber added to suppression list for that source number
  2. Future messages to that recipient are blocked
  3. Message marked “failed” with appropriate error code

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Suppression List

  • Per-number suppression tracking
  • Automatic compliance with opt-out requests
  • View suppression list in console

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How are incoming messages to numbers in my Powerpack handled?

Assign an application to your Powerpack to handle incoming messages.

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How can I modify an application associated with a Powerpack?

  1. Navigate to your Powerpack
  2. In Application Configuration, select type:
    • XML Application
    • PHLO
  3. Select the application name
  4. Update

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How can I remove an application from Powerpack?

  1. Open Powerpack settings
  2. In application type, select any option
  3. In application name dropdown, select ”-------”
  4. Update

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Can I use PHLOs to handle incoming messages in my Powerpack?

Yes. Use PHLO for visual message handling:
  1. Create a PHLO for incoming messages
  2. Add PHLO to Powerpack’s application configuration
  3. Incoming messages trigger PHLO workflow

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How can I send 6,000 or more SMS messages per day using a long code in the US?

For US long codes without 10DLC, the limit is < 200 messages/day per number. Options:
  • Register for 10DLC to increase limits
  • Add multiple numbers to your Powerpack
  • Use toll-free or short codes
VolumeRecommended
< 2,000/dayRegistered long codes
2,000-50,000/dayToll-free
50,000+/dayShort code

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How can I configure my Powerpack source number pool?

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Add Numbers

  1. Navigate to Powerpack
  2. Click Add Numbers
  3. Select from available numbers
  4. Add to pool

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Remove Numbers

  1. Navigate to Powerpack
  2. Select numbers to remove
  3. Click Remove

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What happens if I unrent a Powerpack phone number?

The number is removed from the Powerpack. Messages will be sent from remaining numbers in the pool.