1 The comma and period always go inside the closing quotation mark when there is no parenthetical reference. 2  The comma and period always go inside a quotation within another quotation when there is no parenthetical reference.3  The period goes outside of the quotation mark when using a parenthetical reference. The comma and period always go inside the closing quotation mark when there is no parenthetical reference. 2  The comma and period always go inside a quotation within another quotation when there is no parenthetical reference.
You CANNOT use 2 phones with the same number at the same time. But the Blackberry and IPhone uses different data plans. Every time you change the SIM card, you would need to notify AT&T of the change so that they can change the data plans to match the phone you are using.
There are two main reasons you would be using a SIM card to switch phones. 1  Use the SIM card from your old phone in your new phone so as to save your information. This will is only an option if you have not changed carriers.  Switch carriers and keep your phone (or avoid having to buy a new one).