Experience seamless communication like never before with Emerald, the all-in-one communication app that brings together a plethora of features designed to enhance your calling experience. Whether you're a business professional, a remote worker, or simply someone who values efficient communication, Emerald has got you covered.

Features:

1. Contact Directory Integration: Effortlessly sync your mobile contacts with Emerald's intuitive contact directory. Access your contacts' information and connect with them seamlessly.

2. Call Transfer: Take control of your conversations with the ability to transfer calls at your fingertips. Tap a button to transfer calls to predefined numbers/extensions or custom ones.

3. Call Hold: Never miss a beat – put calls on hold when needed and retrieve them at your convenience.

4. Caller ID Customization: Set your desired Caller ID and ensure your calls are easily recognizable to recipients.

5. Three-Way Conferencing: Collaborate efficiently by adding a third person to your ongoing call, enabling productive conversations with ease.

6. Presence Feature: Stay connected and informed by viewing the presence status of other registered users on the SIP server.

7. Volume Control & Mute: Tailor your call experience with standard volume control and mute options.

8. Video Calling: Experience face-to-face interactions with Emerald's integrated WebRTC client, providing high-quality video calls. (WebRTC server to be added in future updates.)

9. Push Notifications: Stay reachable even when your mobile is in sleep mode or the app is closed. Activate push notifications to receive calls and updates instantly.

10. Android FCM & iOS APNS: Emerald ensures compatibility with both Android FCM and iOS APNS push notification services, keeping you in the loop at all times.

Upcoming Features (Phase 2):

11. DTMF Dial Pad: Express yourself through various dial pad themes, curated by the app admin. Customize your dialing experience to match your style.

12. White Label Customization: App administrators can make Emerald their own by easily changing logos and branding elements, creating a unique communication experience.

Emerald is your go-to solution for enhancing communication efficiency and quality. Download the app today and unlock a new era of connected conversations. Stay tuned for exciting updates and additional features in future releases.