Satellite Phones Direct reserves the right to alter pricing at anytime. All prices in US Dollars, taxes not included. Satellite calls are billed in 20 second increments - 1 minute minimum. Monthly Fees are pro-rated and are billed one month in advance. SHORT BURST DATA NOTES: Minimal billable message size for Short Burst Data is 30 bytes, with 1 byte increments thereafter. Individual Short Burst Data messages are rounded to the next whole cent. Short Burst Data fees and rates are in addition to other services and can be ordered as a stand alone service. SHORT MESSAGING SERVICE NOTES: Maximum message size is 160 Alpha Numeric Characters Service is only available with an Iridium 9505 and 9505A handsets or 9522 Sebring unit. MONTHLY SERVICE AGREEMENT: Please print and review the Monthly Service Agreement prior to service activation. You must fax the last page of this agreement with authorized signature to Satellite Phones Direct prior to service activation. Monthly Service Agreement. (pdf format - 1,225 KB)