Why does my AudioCodes 450HD IP Phone say 'Location look-up failed'?
If your AudioCodes IP Phone displays 'Location look-up failed. Please enter your address', make sure 'Location look up' is configured by the management shell in the Skype for Business server.
How to fix 'Duplicate IP' error on AudioCodes IP Phone?
If your AudioCodes IP Phone displays 'Duplicate IP', in the DHCP server, delete the duplicate IP address and request another.
How to resolve 'PIN not set' on AudioCodes IP Phone?
If your AudioCodes IP Phone displays 'PIN not set', make sure in the Skype for Business server interface that a PIN was configured for this user account. If it wasn't, create a PIN for the account.
What does 'PIN invalid phone info' mean on AudioCodes 450HD?
If your AudioCodes IP Phone displays 'PIN invalid phone info', make sure the correct information was entered in the phone screen and in the Skype for Business server interface, and that they tally. Also, verify in the Skype for Business server interface that the PIN is enabled and if it isn't, enable it.
What to do if AudioCodes 450HD becomes unusable after power failure during firmware upgrade?
If your AudioCodes IP Phone becomes unusable because it was powered off during a firmware upgrade, you can recover the firmware. Ensure your DHCP server supports Options 66 (TFTP server address) and 67 (firmware file) and that these options are configurable. Verify that the TFTP server is running and the firmware file for recovery is in the correct location before connecting the phone. Connect the phone to the IP network, and then to the power outlet. The phone will send a TFTP request to the IP address indicated in DHCP Option 66 to retrieve the firmware file indicated in DHCP Option 67. After the firmware upgrade completes, the phone should boot up successfully.
Why does my AudioCodes IP Phone say 'Failed to connect server'?
If your AudioCodes IP Phone displays 'Failed to connect server' or 'Cannot find Lync server at ', ensure that at least one of the following is enabled in the DNS server: _sipinternaltls._tcp. (for TLS), DHCP results (Option 120) (for TLS), _sipinternal._tcp. (for TCP), DHCP results (Option 120) (for TCP), _sip._tls. (for TLS), _sip._tcp. (for TCP).
What to do if AudioCodes IP Phone fails to connect to time server?
If your AudioCodes IP Phone displays 'Failed to connect to time server' or 'PIN internal error', ensure that at least one of the following is configured to enable synchronization: NTP server via DNS SRV record (_ntp._udp. pointing to NTP server), NTP server returned via DHCP Option 42, Time.windows.com, Time.nist.gov, or a manually configured Configuration Parameter.
Why does AudioCodes 450HD IP Phone show 'LAN Link failure'?
The 'LAN Link failure' message on your AudioCodes IP Phone indicates that the LAN link is disconnected. This is due to a general networking problem, such as a physical cabling issue or a local or VLAN communications problem.
What to do if AudioCodes 450HD shows 'Location look-up failed'?
If your AudioCodes IP Phone displays 'Location look-up failed', ensure that 'Location look up' is configured by the management shell in the Skype for Business server.
What to do if AudioCodes 450HD displays 'Duplicate IP'?
If your AudioCodes IP Phone displays a 'Duplicate IP' message, delete the duplicate IP address in the DHCP server and request another one.
General| Resolution | 480 x 272 pixels |
|---|---|
| Audio Quality | HD voice |
| SIP Accounts | Up to 6 |
| Speakerphone | Full-duplex |
| Supported Languages | Multiple languages |
| Number of Lines | 6 |
| Display | 4.3 inch color LCD |
| Ethernet Ports | 2 (10/100/1000 Mbps) |
| USB Ports | 1 (USB 2.0) |
| Headset Connection | 3.5mm jack |
| PoE | Yes (802.3af) |
| Codecs | G.711, G.722, G.729, Opus |
| Protocols Supported | SIP, RTP |
| Bluetooth | Optional via USB |
Highlights of the 450HD IP Phone, including touch screen and UC capabilities.
How the phone integrates with UC environments like Skype for Business.
Contents of the package and identification of phone components.
Steps for connecting the phone's cables for power and network.
Procedures for mounting the phone on a desk or wall.
Understanding the phone's touch screen interface and idle state display.
Explains softkeys and how to navigate through phone menus.
Procedures for entering numbers, letters, and symbols using the keypad.
Steps for signing into and out of the phone for user access.
Configuring language, ring tones, call waiting, and call forwarding.
Adjusting phone volume and screen brightness for user preference.
Managing personal and corporate directories, adding, searching, and editing contacts.
Customizing function keys for speed dial, BLF, and key events.
Managing presence status and viewing calendar integration.
Core functions of making, answering, ending, and rejecting calls.
Reviewing call logs and managing voicemail messages.
Managing waiting calls, call hold, and multiple incoming calls.
Performing various call transfer types and setting up conferences.
Setting up and using Better Together over Ethernet for PC/phone integration.
Using BToE functions for enhanced Skype for Business client features.
Guidance for resolving typical phone operational problems.
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