We cannot promise the exact time frame at the moment but we are looking at Q4 2016 to add a lot more features as well as improving our coverage map with more ground. At the moment our primary target is to improve our coverage.
By using the reset network settings, an effectiveoption to solve network related issues, you can fix allthese problems by simply resetting the networksettings of your iPhone as it will clear all the networksettings, current cellular network settings, saved Wi-Finetwork settings, Wi-Fi passwords, and VPNsettings How do you reset your voicemail greeting? From the Home screen, tap the Phone icon . Tap Voicemail then tap Greeting (upper-left). Greeting islocated in the top-left corner of screen. Tap Custom to record a greeting. Enabled when a checkmark ispresent. Tap Record to begin recording the custom greeting message. Tap Stop to end recording then tap Save. How do you change voicemail settings on iPhone? Go to the Phone app, then tap the Voicemail tab. Tap Set Up Now. Create a voicemail password, then tap Done. Enter your password again to confirm it, then tap Done. Select Custom or Default. If you choose Custom, you can recorda new greeting. Tap Done to save your greeting.

Want to know if someone blocked your calls? Learn more about how to find out if someone blocked your number.
2. Set up your voicemail. Press and hold the 1 key or dial 123 on your device dial pad to call and connect to your voicemail. During the first time setup, you may be asked for your password.