ascending ring tone

There's no way to change that ATM.

What you can do is to extend the length of time your phone rings before forwarding to your voicemail.

On your dialer:

1. Dial *#61# and click Send.
2. Some information should be displayed, number that the calls are being forwarded to and the delay before the call is forwarded.

If you see less than 30 seconds, continue as below...

3. Write down the number including +, tap OK.
4. Dial **61*+###############*11*30# and hit Send. (+############### 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.)
5. Dial *#61# to verify that the new setting is activated.

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Sent from my Galaxy S using Tapatalk

My Business calls are forwarded to my mobile when im out, People hang up before i here the phone ringing and get it out of my pocket to answer it.
This is a BIG problem to me, changing the settings doesnt work when people hang up!
My clients want to talk to me not leave a message, SAMSUNG have made a massive cock up as far as im concerned.
If this is not fixed soon i will have no choice but to sell this phone and buy a better one.
Come on Samsung pull yer finger out, sort this problem.

I think I can now have my phone ring for 30 secs until it goes to vm. fantastic!