[This my first post on a forum, so I hope I'm not abusing any etiquette or people's kindness.]

My objective is to send an SMS "receipt" from an Agent's mobile (viewing our web page) instantly to the "payer" to acknowledge receipt of a (small) cash payment .... using the bundled SMS package wih the Agent's phone contarct ... not an external SMS service.

I'm hoping to do this from our website (which the Agent will be viewing at the time of transaction) rather than a dedicated App, if possible.

I have searched everywhere for a simple solution to this and successfully used the following as a prelimanry test

<p><a href="sms:7777777777777?body=SMARTiPAY. 5 received, thank you. ">Send SMS welcome message to new member ></a></p>

.. but what I actually need now is a means of replacing both the "number" and "content" with variables generated from a form on the page .... input fields "mobilenum" and "message" (or other variables if spec needs to be different?)

Thank you