SMS Center

An SMS center (SMSC) is responsible for handling the SMS operations of a wireless network. When an SMS message is sent from a mobile phone, it will reach an SMS center first. The SMS center then forwards the SMS message towards the destination. An SMS message may need to pass through more than one network entity (e.g. SMSC and SMS gateway) before reaching the destination. The main duty of an SMSC is to route SMS messages and regulate the process. If the recipient is unavailable (for example, when the mobile phone is switched off), the SMSC will store the SMS message. It will forward the SMS message when the recipient is available.
Very often an SMSC is dedicated to handle the SMS traffic of one wireless network. A network operator usually manages its own SMSC(s) and locates them inside its wireless network system. However, it is possible for a network operator to use a third-party SMSC that is located outside the wireless network system.
You must know the address of the wireless network operator’s SMSC in order to use SMS messaging with your mobile phone. Typically an SMSC address is an ordinary phone number in the international format. A mobile phone should have a menu option that can be used to configure the SMSC address. Normally, the SMSC address is pre-set in the SIM card by the wireless network operator, which means you do not need to make any changes to it.

iPhone Secret Codes

I find most of these do not work on Verizon Service step 1 does work.

1) Display your iPhone’s signal strength
Is anyone else getting a signal in this forest, or is it just my phone? Seeing your iPhone’s signal strength can be helpful on many occasions.
Simply dial *3001#12345#* on your phone’s keypad, and then punch the green “call” button.
You’ll then see something like this:

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Now Press and hold your iPhone’s power button until it brings up the “Slide to power off” screen. Then, press and hold the Home button. If you look at the left-hand corner of your phone, you’ll notice that you have a number instead of a series of dots. The closer to zero the better, but any number between -40 and -80 means you have a good signal. If the number is around -140, that means you have no signal at all.


2) Find your iPhone’s IMEI number

If you’ve just purchased a jailbroken iPhone, you’ll want to check its IMEI (or International Mobile Station Equipment Identity) number. Every cell phone has a unique 15-digit identifier known as its IMEI number. You can verify if your iPhone is stolen or not by punching in your IMEI number into Apple’s Activation Lock Status page.

To find out your iPhone’s IMEI, simply punch in this series on your keypad: *#06#

That’s it. Your iPhone’s IMEI number should appear on a gray screen right away.


3) Hide caller ID

This code is useful for any number of shady and legitimate purposes. To keep your phone number from showing up on the device of the person you are calling, dial #31# followed by the phone number.
On some mobile carriers, you can key in *67 before entering a phone number to dial and achieve the same result, but it won’t work for all.

4) Check call forwarding

If you have call forwarding enabled on your iPhone, it’s easy enough to double-check that the feature is on.
Punch in *#21#
You’ll be able to see if call forwarding is on, and to which number the calls are being forwarded to.

5) Find out your iPhone’s SMS number

Your iPhone’s SMS Message Center is the gateway through which you receive all SMS messages. If you think you’re having trouble getting text messages, you’ll want to find out your device’s unique SMS number.

To do this, simply punch in the following series on your keypad: *#5005*7672#

Hacked Cellphone

I am excited because my cellphone was hacked into in the last two nights.

The reason I am excited is because I was prepared for this event. I had deleted all my contact information a couple of weeks ago and have nothing on my iPhone 5S.

At first I thought all my efforts were to naught.

During the night two nights ago the phone light came on and the room looked like lightning had struck (I will explain that feature in another post). Today the battery was dead even though I had charged it to full charge yesterday and it often lasts at least a week because of my low usage.

I am sure this hack was because of the SS7 issue.

I may change my cellphone number.

Roy Frost, Myrtle Beach, South Carolina

Reset RAM on iDevice 

Hold Wake Sleep Button until Power Off slider comes up then let go and then hold Home Button until the Home screen returns.

I have not proven this yet but it is supposed to reset RAM and maybe you no longer have to power your iDevice all the way down any more.

RAM getting full is one of the most common failures of any electronic device.

Roy Frost from Myrtle Beach, South Carolina


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Posted by Roy Frost, Myrtle Beach, South Carolina

AirPort Extreme/Express

First I would like to say these are excellent WiFi Modems. The amount of things you can do with them is amazing. 

I can not recommend them because the only way to update or change is using Apples software and the software soon outpaces the devices and you are stuck with devices that are not updateable or changeable.

I have one of the first Airpot Extremes (it looks like a Spaceship) and it still works, but I have to use the same old Username and Password.

I have an earlier AirPort Express that I used as my personal WiFi in Motels as I traveled. I plugged it into an Ethernet Cable slot and had my own little protected private WiFi network.  You have to reset it for the newer software to see it. Not knowing the model was to early to update, I reset it and right now it is not working.

P.S. I found an early iMac that could no longer be updated and after a little thinkering I am  back in business. With a Big Fat note stuck on it saying please never reset this Airport Express as that will be the end of its life forever.

There is a recommended FirmWare update for both of the newer models. 

Roy Frost, Myrtle Beach, South Carolina