Report copyright - GSP-1600 TRI-MODE PHONECalling Basics 17 Redialing a call To redial the last outgoing number ˝ Muting a call < ˘ ˘˘> ˇ ˘˘ To turn mute on ˝ * , /˙ 0 ˘ , /* 0 ˘ ˘˘
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