- US and Canadian carriers do not support DLR's - Delivery Reports.
- Intermediate DLR (accepted status) will be provided as soon as the message reaches the carrier.
- Binary, Unicode, V-Card and longer SMS (inc. concatenated) are not supported by US carriers.
P2P; Person-to-Person traffic is allowed in the US. An SMS may originate from a mobile phone, a computer or an internet-based service.
Sending SMS from Virtual Mobile Number:
- You may send a maximum of one SMS per second and per virtual number in the US and Canada due to local carriers regulations. More will be rejected.
- Maximum of 500 messages per day and per long virtual number. If this is exceeded your number will be blocked and will no longer work.