Sender ID:
Sender ID will be overwritten as follows:
Digitel (73401) - "Canal"
Movistar (73404) - 27439
Movilnet (73406) - 27439 or a Local Long Number
Content:
There are no additional content restrictions beyond those in our Acceptable Use Policy
Unicode:
Unicode is not well supported.
Concatenated messages:
Concatenated SMS is not well supported.
Other features/restrictions of note:
Delivery Receipts:
Handset delivery receipts are not supported.
Peak hours:
Movilnet is terminated into the national P2P network, so during peak hours and especially Friday's there may be periods of delayed delivery.
Links:
Global SMS Features Overview (Outbound only)
Global SMS Numbers Features Overview