Shortcode: Both dedicated and shared shortcode with good outpayment scheduile and sharing ratios for all mobile networks in Nigeria. You can read more here .
Longcode: For sms campaigns that require people to opt in by sending a feedback (two way sms) we like to implement a long code . Also free long code exists for all users on smsdam.com . To process MO messages with your own appliction and send feed back pls download API(pdf file).