Voicemail Delay

A voicemail issue I recently had was that Vodafone seem to think people can answer their mobile within 15 seconds or so. This default is a little short for my liking so I had a hunt around on Google and found a GSM code I could call to increase the delay to 30 seconds. I share the Vodafone one here for anyone in a similar fix.


The 121 is the number to dial for voicemail and 30 is the time delay you want before a call is diverted to voicemail. You can interchange these numbers with those for your provider.


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  1. Carlos Said,

    December 31, 2009 @ 3:48 pm

    There is iPhone app which can do the job for you : http://www.voicemaildelay.co.uk

  2. Kieran Said,

    December 31, 2009 @ 5:17 pm

    All that app does is generate the code that I have posted above based on the time delay required and the network the phone connects to. I detail all of this information in my post – no app required.

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