Sony Ericsson C510a User Guide - Page 33
Retry?, SpkrOn, Settings, Connectivity, Mobile networks, GSM/3G networks, between GSM and 3G UMTS - manual
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To redial a number • When Retry? appears select Yes. Do not hold your phone to your ear when waiting. When the call connects, your phone gives a loud signal. To answer a call • Press . To reject a call • Press . To change the ear speaker volume during a call • Press the volume key up or down. To mute the microphone during a call 1 Press and hold down 2 Press and hold down resume. . again to To turn on the loudspeaker during a call • Press SpkrOn. Do not hold your phone to your ear when using the loudspeaker. This could damage your hearing. To view missed calls from standby • Press to open the call list. Networks Your phone switches automatically between GSM and 3G (UMTS) networks depending on availability. Some network operators allow you to switch networks manually. To switch networks manually 1 From standby select Menu > Settings > the Connectivity tab > Mobile networks > GSM/3G networks. 2 Select an option. Emergency calls Your phone supports international emergency numbers, for example, 112 or 911. You can normally use these numbers to make emergency calls in any country, with or without the SIM card inserted, if you are within range of a network. In some countries, other emergency numbers may also be promoted. Your network operator may therefore have saved additional local emergency numbers on the SIM card. To make an emergency call • From standby enter 112 (the international emergency number) and press . Calling 31 This is an Internet version of this publication. © Print only for private use.