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General| DC-in jack | Yes |
|---|---|
| Expansion module support | No |
| Ethernet LAN (RJ-45) ports | 2 |
| Volume control | Digital |
| Keypad number of keys | 32 |
| Number of handles included | 1 pc(s) |
| Power requirements | 100 - 240 VAC, 5 VDC |
| Power consumption (typical) | 2.6 W |
| Power consumption (PowerSave) | 1.5 W |
| Voice codecs | G.722, G.723, G.726 |
| Touchscreen | - |
| Display resolution | 132 x 64 pixels |
| Lines quantity | - lines |
| Phonebook capacity | 300 entries |
| Number of VoIP accounts | 3 |
| Security algorithms | HTTPS, SRTP |
| Flash memory | 8 MB |
| Internal memory | 32 MB |
| Password protection type | User |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90 % |
| Handset type | Wired handset |
| Product type | IP Phone |
| Product color | Black |
Weight and Dimensions| Depth | 200 mm |
|---|---|
| Width | 185 mm |
| Height | 90 mm |
| Weight | 770 g |
Provides step-by-step instructions for physically installing the SIP-T22P IP phone, including stand attachment.
Guides through the automatic system boot-up and configuration process after powering on the phone.
Details manual configuration of IP address, subnet mask, and other network parameters if DHCP fails.
Manage phone contacts, including local directory, blacklist, and remote phone book entries.
Learn the fundamental call operations: placing, answering, and ending calls on your IP phone.
Master call management techniques like hold, transfer, forward, waiting, DND, and conference calls.
Monitor line status, receive alerts for incoming calls, and pick up calls from other extensions.
Configure keys to start, stop, or manage call recording sessions for compliance or review.
Resolve issues with the LCD screen, network connection, service status, and time/date display.
Troubleshoot problems with dial tone, ringing, call reception, and handset/headset functionality.
Address issues related to MAC address, PoE, passwords, rebooting, exporting logs, and firmware updates.
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