- Fixed an issue where some users could not answer incoming calls.

- Disable the option to delete conversations in instant messaging. - Added Archive function, allowing users to archive messages. * *Requires Deltapath UC version 5.4 or later.

- Toggle Call Waiting feature. - Distinctive ringtones* - Call parking** - Support for closed network implementations* - User permissions for call forwarding & voicemail management* - Support iOS 26. - Bug fixes & system improvements Requires Deltapath *UC v5.4, **v5.3.5 or higher.

Added workaround for CallKit issues like 'Maximum call groups reached' and 'Unknown call provider' errors.

- Fix the issue where the application did not re-register with the primary UC following its recovery. - Resolved an issue where the server failed to register with the backup server when the user logged out during a failover.

• Added support for Do Not Disturb (DND) in the call settings page. • Introduced Broadcast message functionality. • Improved instant messaging user experience to prevent automatic scrolling when receiving messages or tapping the text field. • Implemented various bug fixes and performance enhancements.

Bug fixes and enhancements.

• Resolved stability issues when using Cross Site chat feature. • Added and revised Japanese localization for greeting management, Speed dial, and notifications. • Resolved issue with incorrect placement of conference, speed dials, and voicemail icons in the dial pad screen. • Added a call back button in visual voicemail. • Fixed the issue that prevents the unread count badge from showing on chat icon when the app initially launches to a screen other than chat. • Fixed a crash that occurs when a user without instant messaging license or permission presses on the voicemail icon. • Resolved crash issue experience by iOS 17 when navigating through the settings page. • Various bug fixes and enhancements.

• Introducing Speed Dial. • Supports IP Address update for Deltapath Cloud users. • Resolved various issues.

- Updated icons for away status "Off Work" and "Vacation". * - Supports presence in group chats. * - IM users can now search for groups they have in common with other users using the Mutual Group feature. - Users can now share any file using the Deltapath mobile app. - Supports remote mute/unmute on Deltapath Mobile when using Deltapath Talk, a CTI tool. - Users can now enable speaker mode while the call is at the "Waiting for answer" stage. - The application automatically synchronizes and saves the contact information to the system contact when that user initiates or receives an SMS message. - Users can now manage greetings and voicemails from the Call screen without calling the voicemail center. - Users now can authenticate and log in on a web browser by scanning the QR code. * *Note: Deltapath UC version 5.3 or higher is required.

- Users have the ability to add and edit captions before sending images. - Users now have additional options available under the settings page, including the ability to change their presence status* and password. - Resolved various issues. *Requires Deltapath UC Version 5.3 or higher.*

Introduced new features: - Deltapath Mobile now supports a password change for users logging into their accounts for the first time. Improvements: - Added auto-disconnect for PTT broadcasting mode when using hands-free headphones. - Fixed issue where the player appeared without reason on the locked screen after a call. - Fixed issue that caused IM messages to disappear. - Fixed the issue where the app crashed when accessing call history. - Fixed issue where outgoing PTT was muted when PTT Do Not Disturb (DND) was activated. - Fixed issue where there was no audio after PTT was interrupted by a GSM call. - Fixed issue where searching through forwarded messages was slow. - Fixed issue reported by users about Business SMS being slow.

▪ Fixed the issue for iPad users where the app would crash when they tapped the chats tab. ▪ Fixed the issue where a call drops after 30 seconds when there is no audio/video received from the server. ▪ Fixed the Poly Multicast channel issue where the app failed to play the broadcasted Push-To-Talk conversations on Poly devices. ▪ Fixed the PTT audio issue where users failed to hear the first few seconds of the broadcasted PTT conversation. ▪ The app now supports backup server registration. Users can now register directly to use the backup server address while the primary server is down. ▪ The app now supports the audio route to speaker when a call is auto answered. ▪ Fixed the issue where unread count for Chats displayed the incorrect number. ▪ Improved performance when performing searches in the chat list.

1. Now support one to one SMS and Group MMS. Requires UC server with SMS license. 2. New user experience and interface inside chat features. 3. Rename PTT performance optimization to "Control PTT with Headset" 4. Support phonebook tree layer. 5. Various bug fixes and enhancements

- Supports call control implementation of Deltapath Omnichannel Contact Center Extension - Support call control implementation on Deltapath for Salesforce application. - Fixed issue where there was no audio when receiving an incoming GSM call while on an active internal UC call. - Fixed issue where internal UC calls automatically switched to hold when receiving incoming GSM calls.

Introducing Deltapath Mobile 6.0 with instant group communication Push-To-Talk and Alarm and Dispatch functionality into your single enterprise communication app. Work from anywhere not just your home. - Deltapath inTeam is now consolidated with Deltapath Mobile into a single app. - New: Push-To-Talk, your encrypted walkie-talkie that has no distance limitation, anywhere with Wifi/5G/LTE - New: Alarm Relay & Incident Dispatch notification and tracking. - New: @ tagging in Group Chat. - New: User presence. *Requires Deltapath UC version 5.3 or higher. - Added support to import QR code from Photo Library during login. - Major performance optimization with enterprise chat - Various user interface and performance enhancement.

- Fixed crashed issue when login to Deltapath UC server version 4.3.1

- Works with IOS 15 - Supports Deltapath UC Service Provider Edition. Note: This features Requires UC 5.2 and above - Introducing Auto Answer call feature. - Supports offline shake to debug log sent to Deltapath UC server. - Fixed a bug where searching in corporate phonebook returns an incorrect value. - Fixed an issue where participant had an audio issue after the conference call was changed to a one-to-one call via remote hang up. - Fixed a bug where group message state changed to “Delivered” and “Read” while logging into Deltapath UC server versions 5.2 and lower. - Various bug fixes.

- Removed Dolby Voice Support. - Fixed the issue where the app failed to launch when user triggered the URL link to open the app and initiate the call.

- Support iOS 14 - User can now block another user in IM. * This feature requires Deltapath UC version 5.2 or above. - Add a favorite to the Deltapath phonebook list. *This feature requires UC 5.2 or above. - Support iOS 14 implementations of selecting a file when adding an attachment. - Improved contact information inside the contact list. - Fixed issues where users experience no call waiting tone when using Dolby Voice or Enhanced Dolby G.7XX - Fixed an issue where the Japanese contact list failed to sort according to pronunciation.

Bug fixes. Recent updates: - Save unsent Message(s) as Draft. - Phones vibrate and generate a disconnect tone when the remote party disconnects the call. - Audio conference call from group chat [Requires Deltapath UC 5.2 or above] - Detailed Message Status [Requires Deltapath UC 5.2 or above] - Dolby Voice Merge Call [Requires Deltapath UC 5.1.1 or above] - Experience a new layout on call options with a separate button for Audio and Video calling. - Experience noise cancellation for every audio and video calls with enhanced Dolby G.7XX codec.

Bug fixes. Recent updates: - Save unsent Message(s) as Draft. - Phones vibrate and generate a disconnect tone when the remote party disconnects the call. - Audio conference call from group chat [Requires Deltapath UC 5.2 or above] - Detailed Message Status [Requires Deltapath UC 5.2 or above] - Dolby Voice Merge Call [Requires Deltapath UC 5.1.1 or above] - Experience a new layout on call options with a separate button for Audio and Video calling. - Experience noise cancellation for every audio and video calls with enhanced Dolby G.7XX codec.

- Fixed an issue when login to certain server

- Save unsent Message(s) as Draft. - Phones vibrate and generate a disconnect tone when the remote party disconnects the call. - Audio conference call from group chat [Requires Deltapath UC 5.2 or above] - Detailed Message Status [Requires Deltapath UC 5.2 or above] - Dolby Voice Merge Call [Requires Deltapath UC 5.1.1 or above] - Experience a new layout on call options with a separate button for Audio and Video calling. - Experience noise cancellation for every audio and video calls with enhanced Dolby G.7XX codec.

Bug fixes. Please contact our support for more detail.