{"id":54212,"date":"2025-08-27T22:28:14","date_gmt":"2025-08-27T15:28:14","guid":{"rendered":"https:\/\/itsystems.vn\/store\/?post_type=product&p=54212"},"modified":"2026-05-18T18:03:33","modified_gmt":"2026-05-18T11:03:33","slug":"dien-thoai-ip-grandstream-gxp1620","status":"publish","type":"product","link":"https:\/\/itsystems.vn\/store\/sp\/dien-thoai-ip-grandstream-gxp1620\/","title":{"rendered":"\u0110i\u1ec7n tho\u1ea1i IP Grandstream GXP1620"},"content":{"rendered":"

\u0110i\u1ec7n tho\u1ea1i IP Grandstream GXP1620<\/a><\/p>\n

\u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt<\/strong><\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Protocols\/ Standards<\/td>\nSIP RFC3261, TCP\/ IP\/ UDP, RTP\/ RTCP, HTTP\/ HTTPS, ARP\/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP<\/td>\n<\/tr>\n
Network Interfaces<\/td>\nDual switched auto-sensing 10\/100 Mbps Ethernet ports<\/td>\n<\/tr>\n
Graphic Display<\/td>\n132 x 48 LCD display<\/td>\n<\/tr>\n
Feature Keys<\/td>\n2 line keys with dual-color LED and 1 SIP account, 3 XML programmable context sensitive soft keys, 5<\/p>\n

(navigation, menu) keys. 13 dedicated function keys for PAGE\/ INTERCOM, PHONEBOOK, MESSAGE,<\/p>\n

HOME, HOLD, RECORD, MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and REDIAL,<\/p>\n

SPEAKERPHONE, VOLUME<\/td>\n<\/tr>\n

Voice Codecs<\/td>\nSupport for G.711\u00b5\/a, G.722 (wide-band), G.723, G.726-32, G.729 A\/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC<\/td>\n<\/tr>\n
Headset Jack<\/td>\nRJ9 headset jack (allowing EHS with Plantronics headsets)<\/td>\n<\/tr>\n
Telephony Features<\/td>\nHold, transfer, forward (unconditional\/no-answer\/busy), 3-way conferencing, call park\/pickup, shared-call<\/p>\n

appearance (SCA) \/ bridged-line-appearance (BLA), Downloadable phone book (XML, LDAP, up to 500<\/p>\n

items), call waiting, call history (up to 200 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones, server redundancy & fail-over<\/td>\n<\/tr>\n

HD Audio<\/td>\nYes, HD handset and speakerphone with support for wideband audio<\/td>\n<\/tr>\n
Base Stand<\/td>\nYes, 2 angled positions available, wall mountable<\/td>\n<\/tr>\n
Wall Mountable<\/td>\nYes<\/td>\n<\/tr>\n
QoS<\/td>\nLayer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS<\/td>\n<\/tr>\n
Security<\/td>\nUser and administrator level access control, MD5 and MD5-sess based authentication, 256-bit AES<\/p>\n

encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control<\/td>\n<\/tr>\n

Multi-language<\/td>\nEnglish, German, Italian, French, Spanish, Portuguese, Russian, Croatian, simplified and traditional<\/p>\n

Chinese, Korean, Japanese and more<\/td>\n<\/tr>\n

Upgrade and Provisioning<\/td>\nFirmware upgrade via TFTP \/ HTTP \/ HTTPS, mass provisioning using TR-069 or AES encrypted XML<\/p>\n

configuration file<\/td>\n<\/tr>\n

Power and Green Energy Efficiency<\/td>\nUniversal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA<\/td>\n<\/tr>\n
Operating Temperature and Humidity<\/td>\n0 ~ 40\u00baC (32 ~ 104\u00baF ), 10 ~ 90% (non-condensing)<\/td>\n<\/tr>\n
Compliance<\/td>\nFCC: Part 15 (CFR 47) Class B<\/p>\n

CE: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1<\/p>\n

RCM: AS\/ACIF S004; AS\/NZS CISPR22\/24; AS\/NZS 60950; AS\/NZS 60950.1<\/td>\n<\/tr>\n

Dimension<\/td>\n209 x 184.5 x 76.2mm<\/td>\n<\/tr>\n
Weight<\/td>\n0.73kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110i\u1ec7n tho\u1ea1i IP s\u1eed d\u1ee5ng cho 2 t\u00e0i kho\u1ea3n SIP.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb s\u1ed1, 2 jack RJ45, jack c\u1eafm tai nghe RJ9, \u0111\u00e8n b\u00e1o voicemail.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 s\u1ed1 \u0111i\u1ec7n tho\u1ea1i tr\u1ef1c ti\u1ebfp, cho ph\u00e9p nh\u1eadn 2 cu\u1ed9c g\u1ecdi \u0111\u1ebfn c\u00f9ng l\u00fac.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ch\u1ee9c n\u0103ng hi\u1ec3n th\u1ecb t\u00ean ng\u01b0\u1eddi v\u00e0 s\u1ed1 phone khi g\u1ecdi \u0111\u1ebfn (T\u00ean \u0111\u01b0\u1ee3c l\u01b0u trong danh b\u1ea1 kh\u00e1ch h\u00e0ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 phone).
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Cho ph\u00e9p t\u00f9y bi\u1ebfn nh\u1ea1c chu\u00f4ng.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D\u1ec5 s\u1eed d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1eed d\u1ee5ng v\u1edbi m\u1ecdi t\u1ed5ng \u0111\u00e0i IP Grandstream, t\u1ed5ng \u0111\u00e0i IP Panasonic, t\u1ed5ng d\u00e0i Siemens, t\u1ed5ng \u0111\u00e0i Asterisk…
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 H\u1ed7 tr\u1ee3 m\u1ea1ng: 2 c\u1ed5ng 10\/100 Mbps auto-sensing Ethernet RJ45 (1 LAN, 1 PC).
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 H\u1ed7 tr\u1ee3 \u0111\u00e0m tho\u1ea1i 3 b\u00ean v\u00e0 SRTP.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Headset jack RJ9.
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c ph\u00edm ch\u1ee9c n\u0103ng: Transfer, Conference, Voicemail, Ghi \u00e2m, Paging, Loa Ngo\u00e0i, Danh b\u1ea1, Mute, \u00c2m l\u01b0\u1ee3ng…
\n\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u00e8n b\u00e1o Voicemail b\u00e1o c\u00f3 tin nh\u1eafn.<\/p>\n

\u2013\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1ea3n ph\u1ea9m ch\u00ednh h\u00e3ng Grandstream c\u1ee7a M\u1ef9.<\/strong><\/span>
\n\u2013\u00a0\u00a0<\/span>\u00a0 <\/span><\/b>\u00a0 \u00a0 B\u1ea3o h\u00e0nh: 12 th\u00e1ng.<\/strong><\/span><\/p>\n","protected":false},"featured_media":54373,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[2660],"product_cat":[2266],"product_tag":[2267,2268,2269,2270],"class_list":["post-54212","product","type-product","status-publish","has-post-thumbnail","product_brand-grandstream","product_cat-dien-thoai-ip","product_tag-dien-thoai","product_tag-dien-thoai-ip","product_tag-dien-thoai-ip-grandstream","product_tag-dien-thoai-ip-grandstream-gxp1620","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product\/54212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/comments?post=54212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/media\/54373"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/media?parent=54212"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_brand?post=54212"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_cat?post=54212"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_tag?post=54212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}