Sending sms using Delphi + modem wavecom and Twavecom components: if using Delphi + comport to send sms is considered complicated since you have to really understand about AT command concept on modem wavecom,… and will be more complicated when the reading process of sms

received then partied or sorted according to dates, messages content, time, operator and so on … so it will be little bit complex when you have to find certain characters as initial number of cellphone, beginning sms, ending sms, and so on…. However by using these twavecom components, you could send and receive sms very easily, including checking credit by code USSD, sending sms flash and so on.