Huawei F316 GSM Office_Home Desktop Phone with SIM Slot & 3G. huawei F316 GSM Fixed Wireless Desktop Phone with SIM card slot, voice call function, and sms messaging capabilities. This amazing desktop phone is good for both office and home use. Add class, prestige, and ‘swagger’ to your office desk with Huawei F316 GSM Fixed Wireless Desktop phone. Switch it off, or forward to voicemail after office hours. At home, let it serve as your official home phone that everybody at home have access to.