Warning,
If you activate this function all your recharge will send sms also to the number recharge by server. so in normal condition send only one sms to reseller. but if you activate it will send one more sms to end user (number being recharged) too with different content
before doing this consider your sms capacity. but if your sms capacity is no problem then you can lure more end user to find your server or you can even accept advertisement company project.
all is depend on your server ability.
