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SMS

Middle East
Yemen SMS Features and Restrictions
UAE SMS Features and Restrictions
Syria SMS Features and Restrictions
Saudi Arabia SMS Features and Restrictions
Qatar SMS Features and Restrictions
Palestinian SMS Features and Restrictions
See all 14 articles

Asia
British Indian Ocean Territory SMS Features and Restrictions
Kiribati SMS Features and Restrictions
Laos SMS Features and Restrictions
Brunei Darussalam SMS Features and Restrictions
Vietnam SMS Features and Restrictions
Taiwan SMS Features and Restrictions
See all 27 articles

US Short Codes
Setting Up Pre-Approved Short Code Two-Factor Authentication (2FA) Service
Can I use a US shared short code to send SMS?
How can users opt out of SMS from a pre-approved short code?
How can my end users request service information?
Are Short Code keywords case sensitive?
What is the character limit for Opt-In, Help, and Stop SMS with US Short Codes?
See all 23 articles

Central America
Panama SMS Features and Restrictions
Costa Rica SMS Features and Restrictions
Honduras SMS Features and Restrictions
El Salvador SMS Features and Restrictions
Belize SMS Features and Restrictions
Nicaragua SMS Features and Restrictions

Oceania
New Zealand SMS Features and Restrictions
Australia SMS Features and Restrictions
Papua New Guinea SMS Features and Restrictions
Guam SMS Features and Restrictions
American Samoa SMS Features and Restrictions
Fiji SMS Features and Restrictions
See all 19 articles

South America
Venezuela SMS Features and Restrictions
Uruguay SMS Features and Restrictions
Peru SMS Features and Restrictions
Guatemala SMS Features and Restrictions
Ecuador SMS Features and Restrictions
Colombia SMS Features and Restrictions
See all 16 articles

North America
United States SMS Features and Restrictions
Mexico SMS Features and Restrictions
Dominican Republic SMS Features and Restrictions
Cuba SMS Features and Restrictions
Canada SMS Features and Restrictions
Trinidad and Tobago SMS Features and Restrictions
See all 30 articles

Africa
Zimbabwe SMS Features and Restrictions
Zambia SMS Features and Restrictions
Tanzania SMS Features and Restrictions
Tunisia SMS Features and Restrictions
Sudan SMS Features and Restrictions
South Africa SMS Features and Restrictions
See all 56 articles

SMS
What is SMS EU data center isolation?
Vonage SMS Message IDs
Does Vonage charge for SMS if destination is invalid?
Can I use a US Vonage Long Virtual Number to send SMS to the US and Canada?
Number Pools
How to check that I trust Vonage TLS Certificate?
See all 14 articles

Europe
Ukraine SMS Features and Restrictions
United Kingdom SMS Features and Restrictions
Turkey SMS Features and Restrictions
Switzerland SMS Features and Restrictions
Sweden SMS Features and Restrictions
Spain SMS Features and Restrictions
See all 60 articles

Inbound SMS
How do I set up inbound SMS via HTTP?
Which IP addresses should I allow for the Vonage SMS API?
Does Vonage provide a web tool to receive inbound SMS?
How can I identify multiple inbound SMS as a concatenated message?
Why am I receiving hexadecimal characters on my inbound messages?
What does it cost to receive an SMS?
See all 15 articles

SMPP
How to Change the Character Encoding for SMPP
How to Change Message ID Delivery Receipts to Hexadecimal Format
How to Submit a Message with SMPP
What is the keep-alive frequency I need to set?
Should I bind with transceiver or transmitter/receiver?
Which SMPP version is supported?
See all 34 articles

Outbound SMS
Adding a New Line in SMS Using Vonage REST API
What is the minimum/maximum of a Sender ID length?
What are some best practices for sending social invites through SMS?
How to Avoid Outbound SMS Rejection
Message Delivery Failed Error 10 Invalid Message
Error 8 Network Error
See all 82 articles

US 10 DLC
10DLC - FAQ - Handset delivery receipts
What A2P 10 DLC campaign use cases are approved in the US?
What is A2P 10DLC Messaging?
A2P Messaging Options in the U.S. and Canada
10DLC - Campaign registration guide
10DLC - Brand registration guide
See all 58 articles