Country-wise restrictions and features

What countries do you support for SMS?
Inbound SMS: Currently we support Inbound SMS in the following countries: Australia Austria Bahrain Bangladesh Belgium Brazil Canada Chile Chi...
What are limitations and restrictions on US Long Code SMS?
The following are the usual characteristics of A2P SMS, which when present will be blocked by carriers: When more than 200 SMS/day sent per Long Number. ...
Does Plivo support Alphanumeric Sender ID for SMS?
Plivo supports the use of alphanumeric sender IDs, however, you must whitelist your account by contacting Plivo support to enable this feature. Clearly men...
Why am I getting this error "this caller id is not allowed for outbound message"?
When you are sending an SMS to US/ Canada destination number, please use your US long-code number(from your Plivo-account) in the international format as So...