Phone Features | 2x SIP accounts, 5-way conferencing, Action URL/URI, Call forward, call waiting, call transfer, Custom ring tones / provisioning, Dial plan per account, Direct IP call, One-touch speed dial, hotline, Redial, call return, auto answer, RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035), Set date time automatically or manually |
IP-PBX Features | Anonymous call, anonymous call rejection, Busy Lamp Field (BLF), Call park, call pickup, Intercom, paging, Message Waiting Indicator, Music on hold, Voicemail |
Voice Codecs Features | HD voice ( HD handset, HD speaker), Codecs (iLBC, G.722, G.711(A/), GSM_FR, G.723, G.729AB, G.726 -32), Full-duplex hands-free speakerphone with AEC (Acoustic Echo Cancellation), Voice Activity Detection (VAD), Auto Gain Control (AGC), Comfort Noise Generation (CNG), Acoustic Echo Cancellation (AEC), Packet Loss Concealment (PLC), Adaptive Jitter Buffer (AJB), DTMF (In-band, RFC 2833, SIP INFO) |
Display and Indicator | 132 x 48 pixel graphical LCD with backlight, Caller ID with name, number, Illuminated LEDs for line status information, Intuitive user interface with icons and soft keys, LED for call and message waiting indication, National language selection |
Feature Keys | 2 line keys with LED, 4 context-sensitive soft keys, 6 features keys (Headset, Speaker, Hold, Mute, Transfer, Conference), 6 navigation keys, Volume control keys |
Interface | 1x RJ9 (4P4C) handset port, Dual-port 10/100 Mbps Ethernet, Power over Ethernet (IEEE 802.3af) (PoE), class 3 |
Management | Auto-provision via HTTP / HTTPS, FTP / TFTP, Auto-provision with PnP, Call hold, mute, DND, Configuration , Browser / LCD-Menu / auto-provision, HD speaker, Local tracing log export, system log, Phone lock for personal privacy protection, Reset to factory, restart, reboot |
Network and Security | AES encryption for configuration le, DHCP / static / PPPoE, Digest authentication using MD5/MD5-sess, DNS-NAPTR/DNS- SRV (RFC 3263), HTTP / HTTPS web server, HTTPS certificate manager, IEEE802.1X, IPV4 / IPV6, NAT Traversal STUN mode, Open VPN, QoS( 802.1p/Q tagging (VLAN) , Layer 3 ToS DSCP), SIP server / proxy redundancy, SIP v1 (RFC2543), v2 (RFC3261), SRTP, Time and date synchronization by SNTP, TLS (Transport Layer Security) |
Ip Phone | S300 |