&lt;p&gt;&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif;&quot;&gt;The SIP-T27P is a highly featured sip phone designed to deliver superb sound quality and uses standard encryption protocols to deliver secure remote provisioning. Offering a rich user experience and boasting a wide range of functionality, including SCA, BLF, 3-way conference and paperless labels, this Optima HD SIP phone is headset compatible and can be expanded using the EXP39B module.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif;&quot;&gt;&lt;br&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;6 SIP user accounts&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;240 x 120 pixels graphical backlit LCD&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;8 paperless keys&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Dual 10/100 ethernet port&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Headset port, BLF, BLA&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Handsfree&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Optional expansion module&lt;/p&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;4 VoIP accounts&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;7” TFT LCD touch screen, 800 x 480 pixels&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;Rotatable CMOS sensor camera with 2M pixels&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;3-party video conference&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;HD Voice: HD Codec, HD speaker, HD handset&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;Full duplex speakerphone&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;Dual 10/100M port RJ45 Ethernet&lt;/div&gt;&lt;div id=&quot;_mcePaste&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline; position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;&quot;&gt;Open VPN (v2)&lt;/div&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;&amp;nbsp;&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;&amp;nbsp;&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Accessories:&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Expansion Module, EXP 39/39B, 38 BLF's&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;&lt;a title=&quot;Yealink YHS33 Lightweight Headset&quot; href=&quot;http://www.yealink.co.uk/Headset-YHS33&quot; target=&quot;_blank&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; color: rgb(102, 102, 102);&quot;&gt;Yealink YHS33&lt;/a&gt;&amp;nbsp;lightweight, noise cancelling monaural headset&lt;/p&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;&lt;a title=&quot;Yealink EHS36 Headset Adaptor&quot; href=&quot;http://www.yealink.co.uk/Headset-Adaptors&quot; target=&quot;_blank&quot; style=&quot;margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; color: rgb(102, 102, 102);&quot;&gt;EHS36 Electronic Hookswitch Adaptor&lt;/a&gt;&amp;nbsp;enables support for Plantronics, Jabra and Sennheiser DECT cordless headsets&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Audio Features:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;HD voice: HD handset, HD speaker, Wideband codec: G.722, Narrowband codec: G.711(A/μ), G.723.1, G.729AB, G.726, GSM, iLBC, DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO, Full-duplex hands-free speakerphone with AEC, VAD, CNG, AEC, PLC, AJB, AGC&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Phone Features:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;6 VoIP accounts, One-touch speed dial, redial, Call forward, call waiting, Call transfer, call hold, Call return, group listening, Mute, auto answer, DND, 3-way conference call, Direct IP call without SIP proxy, Ring tone selection/import/delete, Hotline, emergency call, Set date time manually or automatically, Dial plan, XML Browser, Action URL/URI&lt;br style=&quot;margin: 0px; padding: 0px;&quot;&gt;Directory:Local phonebook up to 1000 entries, Black list, XML/LDAP remote phonebook, Intelligent search method, Phonebook search/import/export, Call history: dialed/received/ missed/forwarded&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;IP-PBX Features:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Busy Lamp Field (BLF), Bridged Line Apperance(BLA), Anonymous call, anonymous call rejection, Hot-desking, Message Waiting Indicator (MWI), Voice mail, Call park, call pickup, Intercom, paging, Music on hold, Call recording&amp;nbsp;&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Display and Indicator:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;3.66” 240x120-pixel graphical LCD with backlight, LED for call and message waiting indication, Dual-colour (red or green) illuminated LEDs for line status information, Intuitive user interface with icons and soft keys, National language selection, Caller ID with name, number&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Feature Keys:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;8 line keys with LED, 8 line keys can be programmed up to 21 various features (3-page view), 5 features keys: message, headset, mute, redial, hands-free speakerphone, 4 context-sensitive “soft” keys, 6 navigation keys, 2 volume control keys, Illuminated mute key, Illuminated headset key, Illuminated hands-free speakerphone key&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Interface:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 1XRJ12 (6P6C) EHS port, Power over Ethernet (IEEE 802.3af ), Class 2&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Other Physical Features:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Stand with 2 adjustable angles, Wall mountable (optional), External universal AC adapter (optional), AC 100~240V input and DC 5V/1.2A output, Power consumption (PSU): 1.17~3.32W, Power consumption (PoE): 1.60~5.94W, Dimension(W*D*H*T): 265mm x 210mm x 170.5mm x 53.5mm, Operating humidity: 10-95%, Operating temperature: -10~50°C&amp;nbsp;&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Management:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;Configuration: browser/phone/autoprovision, Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy, Auto-provision with PnP, Zero-sp-touch, Reset to factory, reboot, Package tracing export, system log&lt;/p&gt;&lt;h3 style=&quot;margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 18px; line-height: 18px; font-family: swiss-light, Arial, sans-serif; vertical-align: baseline; color: rgb(9, 122, 87);&quot;&gt;Network and Security:&lt;/h3&gt;&lt;p style=&quot;margin-bottom: 10px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; vertical-align: baseline;&quot;&gt;SIP v1 (RFC2543), v2 (RFC3261), NAT traverse: STUN mode, Proxy mode and peer-to-peer SIP link mode, IP assignment: static/DHCPHTTP/HTTPS web server, Time and date synchronization using SNTP, UDP/TCP/DNS-SRV(RFC 3263), QoS: 802.1p/Q tagging (VLAN), Layer 3, ToS DSCP SRTP for voice, Transport Layer Security (TLS), HTTPS certificate manager, AES encryption for configuration file, Digest authentication using MD5/MD5-sess, penVPN, IEEE802.1X, IPv6&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;