On SmartSMSSolutions, we have shown that it is possible to save phone numbers inside your bulk SMS account using the phone book. It is equally possible to send bulk SMS to phone numbers saved on your notepad. All of these provisions are in order to ensure ease of sending bulk messages i.e. not having to re-type phone numbers anytime you want to send your messages.
What if the people you want to send bulk SMS to regularly happen to be those whose phone numbers are saved on your mobile phone?
Probably, you have tried sending a bulk SMS using your phone number as the sender ID before and the message did not get to the recipient(s), or the message got to the receiver but the sender ID delivered with an omission of some of the digits in the phone numbers. Here are some of the reasons why sending SMS with phone numbers as the sender ID is discouraged.