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General| Backlight | Yes |
|---|---|
| Voice codecs | G.711a, G.722.2, G.726, G.729ab, iLBC |
| Volume control | Digital |
| Handset type | Wired handset |
| Product type | IP Phone |
| Product color | Black, Silver |
| Display resolution | 132 x 64 pixels |
| Lines quantity | - lines |
| Phonebook capacity | 1000 entries |
| Number of VoIP accounts | 3 |
| Networking standards | IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af |
| Ethernet LAN (RJ-45) ports | 2 |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 0.6 A |
| AC adapter output voltage | 5 V |
| Power consumption (typical) | 1.56 W |
| Number of handles included | - pc(s) |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95 % |
Weight and Dimensions| Depth | 188 mm |
|---|---|
| Width | 209 mm |
| Height | 150 mm |
Details changes in the guide for various releases, including version 80.95.
Details the physical components of the SIP-T23P/G IP phone.
Explains the meaning of various icons displayed on the LCD screen.
Describes the status indicated by the phone's LED lights.
Explains how to interact with the phone via its interfaces.
Lists available documentation for the SIP-T23P/G IP phone.
Lists optional accessories that can be purchased for the IP phone.
Provides instructions on how to physically install the IP phone.
Lists various time zones supported by the IP phone.
Lists the components included in the SIP-T23P/G IP phone package.
Describes the process of setting up the phone for first-time use.
Explains how to view the current status of the IP phone.
Guides users through configuring essential network settings for the phone.
Details the process of registering the IP phone with the network.
Describes the default display when the phone is not in use.
Explains how to input and modify data using the phone's keypad.
Covers basic phone settings like backlight, contrast, and language.
Details options for adjusting sound settings, including ring tones.
Provides instructions for managing contacts in the phone's directory.
Explains how to view, manage, and interact with call history records.
Covers advanced customization options for the phone's system.
Configures the '#' or '*' key to function as the send key for dialing.
Explains how to lock the phone to prevent unauthorized use.
Details how to adjust ringer and call volume levels on the phone.
Allows users to select or upload custom ring tones for calls.
Explains how to manage contact lists via web or phone interface.
Details managing contacts and groups stored locally on the phone.
Describes how to block unwanted callers by adding them to a blacklist.
Covers accessing and managing contacts from a remote phone book.
Instructions on how to make calls using the handset, speakerphone, or headset.
Guides on how to answer incoming calls via different audio modes.
Explains the procedures for terminating an active call.
Details how to redial the last dialed number or previous entries.
Enables viewing and dialing from a list of recent calls.
Automatically answers incoming calls without user intervention.
Automatically redials a busy number based on configured attempts.
Notifies the caller when a busy party becomes available.
Allows placing a call back to the last incoming call.
Mutes the microphone during an active call.
Enables placing calls on hold and retrieving them later.
Rejects incoming calls automatically and logs them.
Forwards incoming calls to another number or destination.
Allows transferring calls to another party via different methods.
Enables receiving another call while an active call is in progress.
Facilitates setting up conference calls with multiple parties.
Allows placing a call on hold and retrieving it from another phone.
Enables answering calls ringing on other extensions.
Blocks caller ID and number from appearing to the called party.
Automatically rejects incoming calls from anonymous callers.
Monitors the status of other users' lines (busy or idle).
Allows monitoring a list of users for their line status changes.
Enables recording of calls via a dedicated key or URL.
Allows users to log in and out of accounts to share phone resources.
Facilitates quick communication with specific extensions.
Broadcasts audio to multiple users simultaneously via RTP streams.
Plays recorded music to parties placed on hold.
Manages incoming calls for customer service or call centers.
Shares an extension across multiple IP phones for simultaneous access.
Allows monitoring and managing calls on a shared SIP line.
Covers sending and receiving text messages (SMS) on the phone.
Addresses basic questions about phone information and MAC addresses.
Helps resolve problems with the LCD screen not displaying correctly.
Guides on accessing the web interface and changing user passwords.
Troubleshoots problems related to receiving or making calls.
Provides solutions for non-functional handsets or headsets.
Helps resolve problems with dial tone or ring tone functionality.
Explains how to export PCAP traces and system logs for analysis.
Covers procedures for rebooting, upgrading firmware, and factory resetting the phone.
Information on service agreements applicable to the product.
Details Yealink's disclaimer of liability for product use and performance.
Provides essential safety precautions for device installation and operation.
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