| Number of handsets supported (max) | 250 |
| Number of carrier frequencies | 2 |
| Number of VoIP accounts | 250 |
| Management protocols | TFTP/FTP/HTTP/HTTPS/RPS |
| Supported network protocols | SIP v1 (RFC2543), v2 (RFC3261), SNTP/NTP, VLAN (802.1Q and 802.1P), 802.1x, LLDP, STUN, UDP/TCP/TLS |
| Number of bases supported (max) | 60 |
| Security algorithms | AES, HTTPS, SHA-384, SHA-512, SRTP, TLS |
| Wireless synchronization | Yes |
| Hearing aid compatibility | Yes |
| Dual-Tone Multi-Frequency (DTMF) | Yes |
| Keypad lock | Yes |
| XML browser | Yes |
| IPUI registration | Yes |
| User access level | Yes |
| Auto-provision | Yes |
| Over the Air Updates (OTA) | Yes |
| Conference call | Yes |
| Number of parallel conferences | 3 |
| Phonebook capacity (per handset) | 100 entries |
| Number of simultaneous calls (max) | 100 |
| Number of WB calls per base supported (max) | 8 |
| Number of NB calls per base supported (max) | 8 |
| Number of simultaneous calls per handset | 2 |
| Anonymous call | Yes |
| Anonymous call rejection | Yes |
| Call waiting | Yes |
| Call forwarding | Yes |
| Caller ID | Yes |
| Remote phonebook | Yes |
| Call transfer | Yes |
| Call hold | Yes |
| Do not disturb function | Yes |
| Switching between calls | Yes |
| Mute function | Yes |
| Speed dialling | Yes |
| Integrated voicemail | Yes |
| Redialing | Yes |
| Message Waiting Indication (MWI) function | Yes |
| Phonebook search/import/export function | Yes |
| Call history | Yes |
| Reset function | Yes |
| Emergency call | Yes |
| Shared Call Appearance (SCA) | Yes |
| System log export | Yes |
| Frequency range (EU) | 1880 - 1900 MHz |
| Frequency range (US) | 1920 - 1930 MHz |
| Maximum indoor range | 50 m |
| Maximum outdoor range | 300 m |
| Ethernet LAN | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN data rate supported (max) | 100 Mbit/s |
| Product colour | White |
| Full duplex | Yes |
| Wall mountable | Yes |
| LED indicators | Yes |
| Input voltage | 100 - 240 V |
| Power over Ethernet (PoE) | Yes |
| Output voltage | 5 V |
| Output current | 1.2 A |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Dimensions (WxDxH) | 134 x 100 x 28 mm |
| Weight | 2.8 kg |
| Package width | 158 mm |
| Package depth | 203 mm |
| Package height | 63 mm |
| Package weight | 3.4 kg |
| Harmonized System (HS) code | 85177900 |
| Quick start guide | Yes |
| Description |
| Yealink W90DM. Management protocols: TFTP/FTP/HTTP/HTTPS/RPS, Supported network protocols: SIP v1 (RFC2543), v2 (RFC3261), SNTP/NTP, VLAN (802.1Q and 802.1P), 802.1x, LLDP, STUN, UDP/TCP/TLS, Security algorithms: AES, HTTPS, SHA-384, SHA-512, SRTP, TLS. Phonebook capacity (per handset): 100 entries. Frequency range (EU): 1880 - 1900 MHz, Frequency range (US): 1920 - 1930 MHz, Maximum indoor range: 50 m. Ethernet LAN data rate supported (max): 100 Mbit/s. Product colour: White |
