You can divert your call to another number or your second number by using code:

To activate: enter **21* followed by the number you want to divert your calls to – replacing the first 0 with +234(depends on the country you are, +234 for Nigeria) followed by #. Then press send. So, for example, to divert all calls to 07036065752, you’d enter **21*+2347036065752#. 

To cancel: enter ##21# and press send.
To check the set up: enter *#21# and press send.

Divert missed or unanswered calls to another number
To activate: enter **61* followed by the number you want to divert your calls to – replacing the first 0 with +234(depends on the country you are, +234 for Nigeria) followed by #. Then press send. So, for example, to divert missed or unanswered calls to 07036065752, you’d enter **61*+2347036065752.
To cancel: enter ##61# and press send.
To check the set up: enter *#61# and press send.

Divert calls when your phone’s busy
To activate: enter **67* followed by the number you want to divert your calls to – replacing the first 0 with +234(depends on the country you are, +234 for Nigeria) followed by #. Then press send. So, for example, to divert calls when your phone’s busy to 07036065752, you’d enter **67*+2347036065752#.
To cancel: enter ##67# and press send.
To check the set up: enter *#67# and press send.

Divert calls when your phone’s switched off
To activate: enter **62* followed by the number you want to divert your calls to – replacing the first 0 with +234(depends on the country you are, +234 for Nigeria) followed by #. Then press send. So, for example, to divert calls when your phone’s switched off to 07036065752, you’d enter **62*+2347036065752#.
To cancel: enter ##62# and press send.
To check the set up: enter *#62# and press send.

To cancel all diverts
On your phone: enter ##002# and press send.

You can also Change the ringing time before diverting 
Your phone is set to ring for 15 seconds for all incoming calls before the call is diverted. You can change this to 5, 10, 20, 25 or 30 seconds.

To set up: enter **61* then the number you want to divert your calls to replacing the first 0 with +234(depends on the country you are, +234 for Nigeria) followed by *10* and the number of seconds you want to change it to and ending with #. Then press send. So, for example, to change the ringing time to 20 seconds before the call diverts to 07036065752, you’d enter **61*+2347036065752**10*20#.

THE STEPS BELOW WORKS PERFECTLY FOR YOUR ANDROID DEVICE, YOU CAN RECEIVE YOUR SMS ON ANOTHER NUMBER OR YOU MAILBOX WITH THE FOLLOWING SIMPLE STEPS

STEP 2: Search For A application Named “Sms Forwarding”(there are similar apps, with the same name, they also work perfectly) …Download And Install This Application..

SMS FORWARDING is a software For Android Based Mobile Phone Which Supports Miss calls And SMS Forwarding Or SMS Divert To Another Mobile Number Or Email Address..

STEP 3: Open Software..You will See Something Like This.. 

Click Mark On “Enable Forwarding”

STEP 4:if You want To Divert SMS To Another Phone number Then

Click Mark On “Forward With Sms”

And Enter Another Number In “Destination Number” Field..

STEP 5: IF you want To Divert SMS And Miss Call Information To Your Email Then Follow This Step and Don’t Follow STEP 4.

Click Mark On “Forward with Email.”

Then Enter Your Recipients mail address list in “Email Of Recipients” Field..

You Have To Enter A Outgoing Mail Account From Which Mail Will Be Send To Your Email List…

Enter Any Valid Email Address In “Outgoing Mail Account” Section.

You Have To Enter Password of Your Mail Account Also…Enter Your Email Address Password In “Password Of Outgoing Account”.

You Can Also Able To Delete The Forwarded Message By Click Mark On “Delete Forwarded Message.”

Note: There are various other SMS Forwarder apps that works perfectly.. I chose this particular app because you can can also connect it to your mailbox

THANKS FOR READING, YOU CAN DROP YOUR COMMENT BELOW, I answer ASAP..

Johnson Jakins

(You can mail me @johnsonjakins@gmail.com)