This procedure allows your iPhone to ring for longer or shorter periods
than the default setting of 20 seconds before voicemail answers. ***
Attempt at your own risk but if you pay attention to the keys you input
and follow the directions you should have no problems.
1. On your phone, dial *#61# and click Call
The screen will display:
Setting Interrogation Succeeded
Voice Call
Forwarding
When Unanswered
Forwards to
+1xxxYYYzzzz
Enabled
2.
Write down the xxxYYYzzz number (including +1) - this is the number to
your voicemail.
3. In order to make the
+ appear on the keypad in the next step you'll have to hold Zero down
for a few seconds, then it will become a Plus (+). Dial
**61*+1xxxYYYzzzz**30# and hit Call. +1xxxYYYzzzz is the number you
wrote down previously, 30 is the delay in seconds. The delay can be set
in 5 second increments, 30 is maximum.
4.
Dial *#61# to verify that the new settings are active.
5. Verify working voice mail.
If you find you or your contacts are not being forwarded to
your voice mail you have incorrectly altered your voice mail forward
number.
To find out what it is and try
again:
Dial ##002# and send. This will
reset that forward number to factory defaults.
By then Dialing *#61# you will again display the your
current (default) voice mail forwarding number.
Return to step [2] and continue.
*** Use this tutorial at your own risk ***...and if you have
the time you can always give AT&T a call to have them change the
number of rings on an incoming call before Visual Voicemail kicks in. I
was able to quickly change the duration on my own, using these
diagnostic iPhone GSM codes. The default time duration before Visual
Voicemail intercepts the call is set by AT&T to 20 seconds. You will
be able to add another 10 seconds yourself, but if you want your
callers to wait more than 30 seconds before voicemail picks up then
you'll need to contact AT&T technical support - they can change the
duration to 45 seconds upon request.
This procedure allows your iPhone to ring for longer or shorter periods
than the default setting of 20 seconds before voicemail answers. ***
Attempt at your own risk but if you pay attention to the keys you input
and follow the directions you should have no problems.
1. On your phone, dial *#61# and click Call
The screen will display:
Setting Interrogation Succeeded
Voice Call
Forwarding
When Unanswered
Forwards to
+1xxxYYYzzzz
Enabled
2.
Write down the xxxYYYzzz number (including +1) - this is the number to
your voicemail.
3. In order to make the
+ appear on the keypad in the next step you'll have to hold Zero down
for a few seconds, then it will become a Plus (+). Dial
**61*+1xxxYYYzzzz**30# and hit Call. +1xxxYYYzzzz is the number you
wrote down previously, 30 is the delay in seconds. The delay can be set
in 5 second increments, 30 is maximum.
4.
Dial *#61# to verify that the new settings are active.
5. Verify working voice mail.
If you find you or your contacts are not being forwarded to
your voice mail you have incorrectly altered your voice mail forward
number.
To find out what it is and try
again:
Dial ##002# and send. This will
reset that forward number to factory defaults.
By then Dialing *#61# you will again display the your
current (default) voice mail forwarding number.
Return to step [2] and continue.
*** Use this tutorial at your own risk ***...and if you have
the time you can always give AT&T a call to have them change the
number of rings on an incoming call before Visual Voicemail kicks in. I
was able to quickly change the duration on my own, using these
diagnostic iPhone GSM codes. The default time duration before Visual
Voicemail intercepts the call is set by AT&T to 20 seconds. You will
be able to add another 10 seconds yourself, but if you want your
callers to wait more than 30 seconds before voicemail picks up then
you'll need to contact AT&T technical support - they can change the
duration to 45 seconds upon request.
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The code is different for each network. I have just alted the number of rings on my iphone 3GS on Vodaphone with the following code: - **61*121*11*20# The last numbers '20' are the seconds before going onto answerphone and can be any number from 5 to 30
SOURCE: iphone won't switch to voicemail
Hi, have you tried to
- reboot the phone
- connect the iphone and synchronize it to your mac
- do an update?
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