Call Forwarding

Never Miss
A Call.

Divert your TISA calls to any UK number. Use simple dial codes or your phone settings. Takes less than 30 seconds.

30s
Setup Time
£0
Activation Cost
2
Methods
Universal Method

USSD Dial Codes

Works on every phone, every model. The fastest way to manage call forwarding.

Activate

Turn On Forwarding

**21*[number]#
Example: **21*02071609703#

Replace [number] with the UK number you want calls forwarded to, then press dial.

Check Status

##21#

Dial this to see if forwarding is active and which number calls are currently being sent to.

Turn Off Forwarding

*#21#

Cancels call forwarding completely. Calls will come directly to your TISA SIM again.

Device Settings

Set Up via
Your Phone

iPhone

iOS Settings

  1. Settings Open the Settings app
  2. Phone Scroll down and tap Phone
  3. Call Forwarding Find and tap Call Forwarding
  4. Toggle On Turn on the forwarding switch
  5. Enter Number Type the UK number to forward to
Android

Android Settings

  1. Phone App Open the default Phone app
  2. Menu Tap the three dots menu
  3. Settings Choose Settings from the menu
  4. Call Forwarding Find Call Forwarding option
  5. Enter Number Input the forwarding number
  6. Confirm Tap OK or Turn On
Good to Know

Important Information

UK Numbers Only Call forwarding works to UK geographic and mobile numbers only.
Standard Charges Normal call charges apply when forwarding calls to the destination number.
Coverage Needed Ensure the destination number has good coverage for reliable forwarding.
USSD Recommended Dial codes are the most reliable method and work on all devices.

Need Help Setting Up?

Our UK support team can walk you through call forwarding setup in minutes.