Akuvox SP-R50P brings high-quality, cost effective solution to front line staff handing moderate volume of calls through advanced telephony features. The intuitive user interface of the Akuvox SP-R50P makes navigation easy and requires minimal training. Highlights HD Voice 2.3” 132*64 Graphical LCD with Backlight Support 3-way Conference Support PoE Fully Compatible with Asterisk, BroadSoft Platform Phone Features 2 Lines (Support 2 SIP account) Support Call Waiting, Call Forward, Call Transfer Call on Hold, Mute, Auto-answer, Redial, DND Local 3-Way Conference Volume Adjustable, Ring tones Selectable Speed Dial, Hotline Multicast Paging Daylight Saving Time Country Ringtone Signal Direct IP call Auto Redial, Call Return Dial Plan XML Browser Action URL/URI Phonebook (500 entries), Blacklist (100 entries),Call logs (100 entries) 5 Remote Phone Book URL Supported LDAP Multi-Language Support IP-PBX Features SMS, MWI Music on hold, Intercom BLF(Busy Lamp Field) Call Pickup, Group Call Pickup Hot Desking Call Recording Call Completion Anonymous Call, Anonymous Call Rejection Audio Features HD Voice: HD Handset, HD Speaker Wideband Codec: G.722 Narrowband Codec: PCMA, PCMU, G.729, G723_53, G723_63,G726_32 VAD, CNG , Echo Canceller PLC, AJB, AGC Full-Duplex Hands-free Speakerphone with AEC Administration Features Auto provisioning using FTP/TFTP/HTTP/HTTPS/PnP Dial through IP PBX Using Phone Number Dial through IP PBX Using URL Address Configuration Managements with Web, Keypad on the phone, and Auto Provisioning SNMP TR069 Package Tracing Export, System Log Security Features Support HTTPS (SSL) Support SRTP for Voice Data Encryption Support Login for Administration OpenVPN, IEEE802.1X Digest Authentication Using MD5/MD5-sess AES Encryption for Configuration file Keypad Lock Prevent SIP Hacking SIP Over TLS Network Features SIP V1(RFC2543), V2(RFC3261) Fully Compatible with Asterisk, BroadSoft Platform QOS LLDP NAT Transverse: STUN Mode Static IP/DHCP for IP configuration, pppoe 3 DTMF modes: In-Band, RFC2833, SIP INFO HTTP/HTTPS Web Server for Management Proxy Mode and Peer-to-peer SIP Link Mode NTP for Auto Time Setting UDP/TCP/DNS-SRV(RFC 3263) TFTP/FTP/HTTP/HTTPS Protocols Physical Features DSPG Chipset 8M Bytes Flash Memory 2.3”132*64 Graphical LCD with Backlight 31 Keys (with 4 Soft Keys, 10 Programmable keys) 1 Voice Mail Light 2 RJ45 10/100 Ethernet Ports PoE: IEEE 802.3a 1*RJ9(4P4C) Handset Port and 1*1*RJ9(4P4C) Headset Port AC Power Adapter: Input: AC 100-240V; Output: DC 5V/1A Operating Humidity: -10~95% Storage Temperature: -10~50℃ Gift Box Size: 209 x199 x 104 (mm),weight: 0.8 kg