1. Fixed an issue where the microphone could not be accessed during incoming calls. 2. Fixed an issue where calls were delayed and then hung up.

1. Support PJSIP related LOG information.

1.Modified the IP address change detected feature to only trigger during a call. 2. Modified the fax sender's name to use extension number instead of empty.

1. Added Fax function.

1. When the SIP ID is changed, the APP will prompt you to log in again.

1. Pin selected contacts to the top of the contact list for easy access. 2. Modify the app from displaying a missed call if the landline picks up the call. 3. iPhO APP can be opened from the phone call history.

1. Add default value to SIP connection status field.

1. When checking for SIP port changes, receive a push notification and then log out.

1. When checking the SIP port change, a prompt will pop up and then log out.

1.Modify status bar background display color.

1. Added the ability to display the number of missed calls.

1. Fixed APP crash when receiving voicemail push notification messages.

1. The dialing input box has a new cursor function, which can add, copy or delete numbers.

1. Numeric keyboard can copy and insert numbers.

1. Fixed the problem of unclear sound after LTE network switching.

1. Support sending DTMF when the screen is locked. 2. Support trust relationships

1. Automatically Convert new Domain name.

1. Optimize the conference setting function. 2. Optimize UI for iPhone Pro Max.

1. Add missed call notification function.

1. Added support for TLS function. 2. Correct the behavior when the network is disconnected when making a call. 3. Logout mechanism when new account is not enabled.

1. When the App password is modified, the App is automatically logged out.

1. Add customer access feature.

1. When the mobile phone cannot obtain the VoIP Token, a prompt message will pop up.

1. Modify the APP to display the answering screen UI after answering a call. 2. Fixed an issue where sometimes the conversation UI is not displayed when answering calls 3. Modify that when the APP receives APNS push and has not received the INVITE packet, it can be allowed to click to answer. 4. Modify the APP to slide out so that you can answer calls when the iPhone 12 locks the screen. 5. Modify the English translation of please input password. 6. Login again after modifying the APP. The local address book will be displayed.

1. Modify the process of obtaining login information. 2. The APP automatically adds the # number when dialing to transfer and multi-person meeting, so that the number can be dialed quickly.