Cortelco ITT-7122IP HD Voice IP phone w/ 3 lines - Yealink

- Cortelco Enterprise IP telephone
- Supports 3 SIP accounts hotline emergency call
- Call hold call waiting call transfer call forward
- Call park call pickup dial plan intercom
- 3 Way conference DND mute speed dial dial-now auto-answer
- Voicemail MWI XML phonebook black list phone lock
- Volume adjustment rings selection tone scheme distinctive ringtone
- Multi-language system log export admin/user configuration mode
- TI Titan chipset
- 132x64 Pixels Graphical LCD
- 32 Keys including 3 programmable and 4 soft keys
- 2x RJ45 ethernet ports
- 1x RJ9 headset port
- PoE (IEEE 802.3af) optional
- High-definition handset high-definition speaker
- Full-duplex hands-free speakerphone compliant with IEEE1329
- Supports HD wideband voice codec: G.722
- Narrowband voice codecs: G.711 G.726 G.729AB G.723.1
- Supports VAD CNG AEC PLC AJB AGC
- Supports SRTP voice encryption
- SIP 2.0 (RFC3261) Protocol NAT traversal: STUN mode
- IP Assignment: DHCP/ Static IP/ PPPoE
- Auto-provision: firmware configuration ringtone phonebook etc.
- QoS: IEEE 802.1p/q tagging (VLAN) Layer 3 ToS
- In-band DTMF out-of-band DTMF and SIP INFO DTMF
- Proxy mode and peer-to-peer SIP link mode
- Standard encryption and authentication (MD5 and MD5-sess)
- Does not come with power supply ITT-5003

ITT7122IP