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SMS

What is SMS EU data center isolation?
Overview Vonage EU data center (DC) isolation enables customers to keep ...
Vonage SMS Message IDs
Question How do I find the Vonage SMS Message ID? Applies To SMS API A...
Does Vonage charge for SMS if destination is invalid?
Question Even though you are sending SMS to an invalid number, you may...
Can I use a US Vonage Long Virtual Number to send SMS to the US and Canada?
Question Can I use a US Vonage Long Virtual Number (LVN) to send SMS to ...
Number Pools
What are number pools? Number Pools are lists of numbers (LVNs) that a c...
How to check that I trust Vonage TLS Certificate?
Objective How do I check my local environment trusts the new Vonage Root...
[Internal] How to troubleshoot network issues reported by customers when sending API requests
Question How to troubleshoot network issues reported by customers when s...
What encoding standards does Vonage support?
Question What encoding standards does Vonage support in SMS? Applies To ...
Setting a Validity Period (TTL) for SMS/MMS
Question: What is a Validity Period How do I setup a Validity Period Be...
SMS Verizon Pass-through Fees
Question: What are Verizon Pass-through Fees When does this change go i...
Sprint/T-Mobile Network Changes
Question: What are Sprints/T-mobiles Network Changes When does this cha...
Toll-Free Number Changes Oct 1, 2022 (FAQ)
Starting October 1st, 2022, there are changes to 8XX toll-free verifi...
Error 12 - Destination Unreachable
This error means that the destination was unavailable or unreachable. Th...
Vonage Opt-Out Assist
Overview Opt-Out Assist is a built-in keyword management service that Vo...