Administrator's Manual Contents
Version 3.4.4 7 400HD IP Phones Series - Teams Compatible
7.6 Enabling Port Mirroring.................................................................................... 193
8 Troubleshooting .............................................................................................. 195
8.1 Unable to Sign in to Skype for Business using Username/Password .......... 195
8.2 Unable to Authenticate User using PIN .......................................................... 195
8.3 IP Phone Fails Registration Process ............................................................... 195
8.4 How to Verify CA Certificate is Trusted / Authorized by IP Phone ................ 196
8.5 Invalid Time Server ........................................................................................... 196
8.6 Invalid Time Offset ........................................................................................... 196
8.7 General Corrective Actions ............................................................................. 197
8.7.1 Restoring Phone Defaults .................................................................................. 197
8.7.1.1 Restoring Factory Defaults from the Phone Screen ............................. 197
8.7.1.2 Restoring Factory Defaults from the Web Interface ............................. 197
8.7.2 Loading the Configuration File Manually ............................................................ 198
8.7.3 Recovering Firmware ........................................................................................ 199
8.7.4 Restarting the Phone ......................................................................................... 199
8.7.4.1 Restarting the Phone from the Screen ................................................ 199
8.7.4.2 Restarting the Phone from the Web Interface ...................................... 199
A Installing the Expansion Module.................................................................... 201
A.1 Installation Procedure ...................................................................................... 201
A.1.1 Step 1: Place Phone and Module on a Table ..................................................... 201
A.1.2 Step 2: Invert and Unscrew Three Screws ......................................................... 202
A.1.3 Step 3: Remove Rubber Cover and Connect ..................................................... 202
A.1.4 Step 4: Attach the Panel .................................................................................... 203
A.1.5 Step 5: Secure the Side Panel ........................................................................... 203
A.1.6 Step 6: Secure the Connection of the Two Units ................................................ 204
A.1.7 Step 7: Mount Phone on Base Stand, Expansion Module on Base Stand ........... 204
B Alternative Automatic Provisioning Methods ............................................... 205
B.1 Static DNS Record Method .............................................................................. 205
B.2 AudioCodes' HTTPS Redirect Server .............................................................. 207
C Recovering AudioCodes' IP Phone................................................................ 209
C.1 Identifying that the Phone is in Recovery Mode............................................. 209
C.2 Making Sure the Phone is in Recovery Mode ................................................. 209
C.3 Recovering the Phone ...................................................................................... 210
C.4 Make Sure the Phone is Downloading the Image File .................................... 213
C.4.1 Making Sure Using Wireshark............................................................................ 213
C.4.2 Making Sure Using tftpd64................................................................................. 214
C.4.3 Making Sure Using the Phone Screen ............................................................... 215
D Huddle Room Solution (HRS) ......................................................................... 217
E Migrating from Skype for Business to Teams Environment................................ 219
E.1 Signing in with Web Sign-in (Cloud) ............................................................... 219
E.2 Signing Out and then Signing In Again .......................................................... 221
F Switching Devices from Teams Compatible to Teams Native Mode .......... 223
F.1 Prerequisites
..................................................................................................... 223
F.2 Upload Software Files to the Device Manager ................................................ 223
F.2.1 Enable MD5 File Uploading to the Device Manager ........................................... 223
F.2.2 Upload Teams Compatible Firmware File .......................................................... 223
F.2.3 Upload Teams Native Firmware ......................................................................... 225
F.2.4 Upload MD5 File ................................................................................................ 226