Messaging
Everything you need to know about working with a message.
Articles
- What are my options for Sender ID?
- Getting started with bulk message
- Section “To” – Selecting contacts
- Building a message
- When should I send a message?
- How to send an MMS?
- How to send an SMS?
- MMS Image Specification
- File types for MMS
- Is there any additional cost for two way communications?
- Does Cellcast provide bulk SMS?
- How is the message subject displayed on Android and iOS phones?
- Is testing your messages free?
- How does Opt-out functionality work?
- What is the difference between a shared and dedicated number?
- Do you charge for failed messages?
- Which numbers can be used for two-way and one-way?
- How many characters are allowable in one SMS?
- How many characters are allowable in one MMS?
- Custom ‘Sender ID’ message specifications?
- How to set up Custom ID feature as a Sender ID?
- What is the maximum size media allowable in MMS?
- Messages not received by end user
- What is 3GPP?
- Throttling