Mobile

Setting Up Mobile Applications

Updated 3 days ago
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Table of Contents

Introduction

The Telphi Mobile App transforms your smartphone into a powerful business communication tool. Make and receive calls using your business number, access voicemail, manage contacts, and stay connected on the go. This guide will walk you through downloading, installing, and configuring the mobile app for optimal performance.

Before You Begin

Ensure you have your Telphi account credentials (username and password) ready. If you don't have an account yet, contact your system administrator or our sales team to get started.

System Requirements

Check that your device meets the minimum requirements for the Telphi Mobile App:

🍎

iOS

150 MB required
Minimum Version:
iOS 13.0 or later
Recommended:
iOS 16.0 or later
Compatible Devices:
  • iPhone 8 and newer
  • iPad (5th gen) and newer
🤖

Android

120 MB required
Minimum Version:
Android 8.0 (Oreo)
Recommended:
Android 12 or later
Compatible Devices:
  • Most devices from 2018+
  • Minimum 2GB RAM

Network Requirements

For optimal call quality, ensure you have: WiFi (recommended) or 4G/5G cellular data with at least 100 kbps per call. Calls over 3G may experience reduced quality.

iOS Installation Guide

Follow these steps to install the Telphi Mobile App on your iPhone or iPad:

1

Open the App Store

Tap the App Store icon on your iOS device's home screen.

2

Search for Telphi

In the search tab, type "Telphi Business" or "Telphi VoIP" and tap search.

Verify the App:

  • Developer: Telphi Consulting LLC
  • Look for the official Telphi logo
  • Check the ratings and reviews
3

Download and Install

Tap the GET or cloud download icon, then authenticate with Face ID, Touch ID, or your Apple ID password.

The app will download and install automatically (typically 1-2 minutes)
4

Grant Permissions

When prompted, allow the following permissions:

  • Microphone: Required for making calls
  • Notifications: Receive incoming call alerts
  • Contacts: Access your contact list (optional)

Installation Complete!

The Telphi app icon should now appear on your home screen. Tap it to launch the app and proceed to initial configuration.

Android Installation Guide

Follow these steps to install the Telphi Mobile App on your Android device:

1

Open Google Play Store

Tap the Play Store icon in your app drawer or home screen.

2

Search and Verify

Search for "Telphi Business" and verify it's the official app from Telphi Consulting LLC.

Security Check:

  • Verify developer name matches
  • Check for "verified by Play Protect" badge
  • Review recent updates and changelog
3

Install the App

Tap Install. The app will show required permissions before installation.

Note: Download may take 1-3 minutes depending on your connection speed. Ensure you have stable WiFi or cellular data.

4

Configure Permissions

Android will request permissions on first use. Grant the following:

Phone & Microphone
Required

Make and manage phone calls

Notifications
Recommended

Incoming call alerts and messages

Contacts
Optional

Sync and display contact names

Ready to Configure!

Tap Open from the Play Store or find the Telphi icon in your app drawer. You're ready for the initial setup!

Initial Configuration

Once installed, configure your account to start making and receiving calls:

Sign In Methods

Option 1: Manual Login

  1. Enter your username/extension
  2. Enter your password
  3. Enter server domain (if required)
  4. Tap "Sign In"

Option 2: QR Code

  1. Tap "Scan QR Code"
  2. Point camera at QR code
  3. Auto-configuration completes
  4. Account ready instantly

Account Settings Configuration

After signing in, review and adjust these settings:

Display Name
Caller ID

Set the name that appears when you call others

Settings → Account → Display Name
Voicemail PIN
Security

Set or change your voicemail access PIN

Settings → Voicemail → Change PIN
Call Preferences
Behavior

Configure default calling behavior and routing

Settings → Calls → Preferences

Push Notifications Setup

Push notifications allow you to receive incoming calls even when the app is closed, crucial for battery efficiency and reliability.

Why Push Notifications Matter

Without push notifications, the app must maintain a constant connection, draining battery. Push notifications wake the app only when needed.

With Push
Battery: ~2% per hour
Without Push
Battery: ~8-12% per hour

🍎 iOS Push Setup

  1. Open Settings app on iOS
  2. Scroll to Telphi app
  3. Tap Notifications
  4. Enable Allow Notifications
  5. Enable Sounds and Badges
  6. Set Show on Lock Screen

Tip: Enable "Critical Alerts" for emergency notifications that bypass Do Not Disturb.

🤖 Android Push Setup

  1. Open Settings
  2. Tap Apps & Notifications
  3. Find and tap Telphi
  4. Tap Notifications
  5. Enable all notification categories
  6. Set importance to High

Tip: Add Telphi to battery optimization exceptions to prevent delayed notifications.

Battery Optimization Settings

Disable battery optimization for Telphi to ensure reliable call delivery:

  • Android: Settings → Battery → Battery Optimization → Telphi → Don't optimize
  • iOS: Settings → Battery → Low Power Mode (allow notifications)

Audio & Video Settings

Optimize audio and video quality for the best calling experience:

Audio Configuration

Codec Selection

Choose audio codec based on your needs:

  • • Opus: Best quality, HD audio (recommended)
  • • G.722: High quality, wideband
  • • G.711: Standard quality, compatible
  • • G.729: Low bandwidth, acceptable quality

Audio Enhancements

Echo Cancellation
Enabled
Noise Suppression
Enabled
Auto Gain Control
Enabled
HD Voice
On

Recommended Settings Path:

Settings → Audio → Advanced → [Enable all enhancements]

Video Call Settings (If Available)

Quality

  • • Auto (recommended)
  • • HD (720p)
  • • SD (480p)
  • • Low (360p)

Bandwidth

  • • HD: 1.5 Mbps
  • • SD: 800 Kbps
  • • Low: 400 Kbps

Options

  • ✓ Auto switch quality
  • ✓ Hardware acceleration
  • ✓ Mirror front camera

Network-Based Audio Optimization

WiFi Settings
  • • Prefer 5GHz networks over 2.4GHz
  • • Use codec: Opus or G.722
  • • Enable video calls
  • • Maximum quality settings
Cellular Settings
  • • Require 4G/5G for calls
  • • Use codec: G.722 or G.729
  • • Disable video on cellular
  • • Conservative quality settings

Security & Privacy Settings

Protect your communications and personal information:

Security Features

End-to-End Encryption
Active

All calls encrypted with TLS/SRTP

Two-Factor Authentication
Recommended

Enable 2FA in account settings

Biometric Lock
Optional

Face ID / Fingerprint to open app

Privacy Controls

Call History
7 days

Auto-delete after configured period

Contact Sync
Disabled

Keep contacts local only

Analytics Sharing
Opt-out

Disable usage data collection

Security Best Practices

  • Never share your login credentials with anyone
  • Enable two-factor authentication for added security
  • Use a strong, unique password (12+ characters)
  • Keep the app updated to the latest version
  • Only download the app from official stores
  • Be cautious of phishing attempts via calls/messages
  • Log out when using shared devices

Common Issues & Solutions

Issue: Not Receiving Calls

  • Check notifications are enabled in device settings
  • Disable battery optimization for Telphi app
  • Verify push notification settings in app
  • Ensure stable internet connection (WiFi or cellular)
  • Check "Do Not Disturb" mode is off
  • Restart the app and re-register

Issue: Poor Call Quality

  • Switch from cellular to WiFi (or vice versa)
  • Move closer to WiFi router if using WiFi
  • Close background apps consuming bandwidth
  • Lower video quality or disable video
  • Switch to different codec in settings
  • Check network speed (need 100+ kbps per call)

Issue: Excessive Battery Drain

  • Ensure push notifications are enabled
  • Disable "Keep Alive" option if enabled
  • Lower screen brightness during calls
  • Close app when not in use
  • Update to latest app version
  • Use WiFi instead of cellular when possible

Issue: Registration Failed

  • Verify username and password are correct
  • Check server/domain settings
  • Ensure internet connection is active
  • Clear app cache and data (last resort)
  • Contact administrator for account verification
  • Try re-scanning QR code if used initially

Issue: App Crashes or Freezes

  • Update to latest app version
  • Restart your device
  • Clear app cache (Settings → Apps → Telphi → Clear Cache)
  • Ensure sufficient device storage (500MB+ free)
  • Uninstall and reinstall app if persistent
  • Report issue to support with device details

Best Practices for Mobile VoIP

Do's

  • Keep app updated to latest version
  • Use WiFi for calls when available
  • Enable push notifications
  • Test audio before important calls
  • Use headphones for better quality
  • Charge phone before long calls
  • Close background apps during calls
  • Regularly clear call history

Don'ts

  • Don't rely on 3G for important calls
  • Don't disable notifications
  • Don't use on public WiFi without VPN
  • Don't ignore app updates
  • Don't force-close the app constantly
  • Don't max out speaker volume (causes echo)
  • Don't share login credentials
  • Don't call while driving without hands-free

International Usage Tips

Traveling Abroad
  • Use hotel/venue WiFi instead of roaming data
  • Download offline contacts before travel
  • Test calling rates for destination
  • Enable "WiFi only" mode to avoid charges
Data Management
  • Monitor data usage in app settings
  • Use lower quality codec on cellular
  • Disable auto-updates while traveling
  • Download voicemails on WiFi

Need Help with Mobile Setup?

Our support team is available 24/7 to assist with mobile app installation, configuration, and troubleshooting.

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