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.
What to do if 'Calendar is not available for PIN code login' on AudioCodes C450HD IP Phone?
If you receive the message 'Calendar is not available for PIN code login' on your AudioCodes IP Phone, it means you cannot access the Microsoft Exchange Calendar using a PIN code. Log in again, but this time, do not use the PIN code. Instead, log in using your username and password.
Why is my AudioCodes C450HD IP Phone not ringing?
If your AudioCodes IP Phone is not ringing, the ring volume might be set too low. Increase the volume to resolve this.
Why is displayed on my AudioCodes C450HD?
If you see displayed on the idle screen of your AudioCodes IP Phone, it means the phone can’t connect to Exchange. To fix this, change the username format from audiocodes/someone to someone@audiocodes.com when signing in.
Why does my AudioCodes C450HD IP Phone say 'LAN Link Failure'?
The 'LAN Link Failure' message on your AudioCodes IP Phone indicates there is no LAN connection. Ensure the LAN cable is securely connected to the LAN port on the rear of the phone and that the other end of the cable is connected to the network switch. If it's still not working, contact your network administrator.
Why does my AudioCodes C450HD IP Phone headset have no audio?
If you're not getting any sound through your AudioCodes IP Phone headset, first ensure it's securely plugged into the headset port on the phone's side. Also, check that the headset volume is set to an audible level.
What to do if my AudioCodes C450HD IP Phone is off?
If your AudioCodes IP Phone isn't turning on, start by ensuring the AC/DC power adapter is firmly connected to the DC input on the phone's rear and plugged into a functional electrical outlet. If you're using Power over Ethernet (PoE), contact your network administrator to verify the switch is providing power to the phone.
Key features of the C450HD model.
Designed for UC environments like Skype for Business.
Ensures all necessary items are present and undamaged.
Familiarizes users with the phone's hardware functions.
Instructions for connecting the phone's cables.
Procedures for mounting the phone on a desk or wall.
Overview of the touch screen interface.
Descriptions of the various softkey functions available.
How to access and navigate through the phone's menus.
Procedures for signing into the phone for service access.
Activating the automatic phone locking mechanism.
Procedures to unlock the phone when it's locked.
Setting the display language for the phone interface.
Choosing a ringtone for incoming calls.
Managing contacts in personal and corporate directories.
Assigning speed dials to function keys.
Setting your availability status for contacts.
Managing handset, speaker, and headset usage.
Procedures for initiating phone calls.
How to accept incoming calls.
Procedures to decline incoming calls.
Handling calls when another is active.
Putting active calls on hold.
Methods for transferring calls to other parties.
Starting group calls.
Configuring BToE for PC integration.
Managing boss and admin phone functionalities.
Resolving power issues.
Resolving network connection problems.
Troubleshooting no incoming call alerts.
Sending logs for technical assistance.
General| Handset type | Wired handset |
|---|---|
| Product type | IP Phone |
| Product color | Black |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Security algorithms | 802.1x RADIUS, HTTPS, SRTP, SSL/TLS |
| Networking standards | IEEE 802.1p, IEEE 802.1x |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| Ethernet LAN interface type | Gigabit Ethernet |
| Supported network protocols | IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, IP/DHCP IP, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN, LDAP |
| Dual-Tone Multi-Frequency (DTMF) modes | SIP info |
| Lines quantity | 8 lines |
| Phonebook capacity | - entries |
| Number of VoIP accounts | - |
| RJ-9 ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| Certification | FCC 15 B, ICES-003 B, EN55032 B, EN61000-3-2, EN61000-3-3, UL-60950-1, EN60950-1, IEC-60950-1 (CB), CE, cTUVus RCM, KC, Anatel, CCC, ICASA, EAC, IC, ACTA, VCCI, BSMI |
| Volume control | Buttons |
| Number of programmable keys | 8 |
| Storage temperature (T-T) | -20 - 70 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Display diagonal | 5 \ |
| Display resolution | 1280 x 720 pixels |
| Cables included | LAN (RJ-45) |
| Number of handles included | 1 pc(s) |
| Voice codecs | G.711Mu, G.711a, G.722, G.729A, G.729B, OPUS |
Weight and Dimensions| Depth | 190 mm |
|---|---|
| Width | 234 mm |
| Weight | 1284 g |
| Height (max) | 195 mm |
| Height (min) | 170 mm |
| Package depth | 245 mm |
| Package width | 275 mm |
| Package height | 110 mm |
| Package weight | 1722 g |
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