| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Display: 2.3" graphical LCD, resolution 132 × 64 px, with backlight
Network: Dual-port Gigabit Ethernet (10/100/1000 Mbps)
Power: Supports Power over Ethernet (PoE, IEEE 802.3af, Class 2) external power adapter optional
Headset support: 1 × RJ9 (handset) port; 1 × RJ9 headset port; EHS support (with adapter e.g. EHS36) for compatible headsets
Form factor: Desktop phone, with stand (two adjustable angles); wall-mountable design also supported
HD-quality voice (HD handset + HD speaker)
Supported audio codecs:
Wideband: Opus, G.722
Narrowband: G.711 (A/µ), G.729AB, G.726 (and iLBC as per some datasheet versions)
Telephony features: full-duplex hands-free speakerphone with AEC (echo cancellation), adaptive jitter buffer, VAD, CNG, PLC, AJB, AGC for better call quality.
DTMF methods: In-band, Out-of-band (RFC 2833), SIP INFO
Supports up to 3 SIP accounts (i.e. 3 lines)
Call handling features: speed dial, redial, call forward, call waiting, hold, transfer, call return, 3-way conference, call transfer/hold, call park/pickup, voicemail waiting indicator (MWI), hot-desk, call pickup, anonymous call/reject, call history (dialed/received/missed/forwarded)
Other features: direct IP call without SIP proxy, XML/LDAP remote phonebook support, smart dialing, phonebook up to 1000 contacts, blacklist, phonebook import/export, built-in web server for provisioning (HTTP/HTTPS/FTP/TFTP), auto-provisioning / TR-069 capable for mass deployment/management.
BLF / BLA support (Busy Lamp Field / Bridged Line Appearance) for call monitoring / shared lines
SIP v1 (RFC 2543) and SIP v2 (RFC 3261) support
NAT traversal via STUN supported
QoS support (802.1p/Q VLAN tagging, ToS/DSCP), SRTP for secure voice, TLS/SSL for secure provisioning (depending on firmware/environment) in many deployments.
Multilingual user interface, caller ID (name + number), LED indicators for line status and message waiting
Local phonebook: up to 1000 entries
Remote phonebook support: XML / LDAP
Call history: dialed / missed / received / forwarded calls
Soft-keys and function keys: 3 programmable line keys with dual-colour LEDs, plus dedicated function keys for voicemail, headset, mute, redial, speakerphone, along with soft keys and navigation keys for menu and features.