Grandstream GXP2135 IP Phone

320x240Yes384N/ASIP  RFC3261,  TCP/IP/UDP,  RTP/RTCP,  HTTP/HTTPS, ARP,  ICMP,  DNS  (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6Dual  switched  auto-sensing  10/100/1000  Mbps  Gigabit  Ethernet  ports  with integrated PoE2.8 inch (320x240) TFT color LCDYes, Bluetooth V2.1(GXP2130v2 only, GXP2130v1 does not support Bluetooth)8 line keys with up to 4 SIP accounts or 32 provisionable BLF/fast-dial keys,4 programmable  context  sensitive  softkeys,, 5 navigation/menu keys, 11 dedicated function keys for: MESSAGE (with LED indicator), PHONEBOOK, TRANSFER,  CONFERENCE,  OLD,  HEADSET,    MUTE,  SEND/REDIAL, SPEAKERPHONE, VOLUME+, VOLUME-Support for G.729A/B, G.711μ/a-
law, G.726, G.722 (wide-band), and in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)RJ9 headset jack (allowing EHS with Plantronics headsetsHold,  transfer,  forward, 4-way  conference,  call  park,  call  pickup,  shared-call-appearance  (SCA), bridged-line-appearance  (BLA),  downloadable phonebook(XML,  LDAP, up  to  2000  items),  call  aiting,  call  log  (up  to  500  records), customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan,  hot  desking,  personalized  music  ringtones  and  music  on  hold,  server redundancy and fail-overWeather, currency, GMI available for advanced custom application developmentYes, both on handset and speakerphoneYes, allow 2 angle positionsYesLayer 2 (808.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS)Security
User  and  administrator  level  passwords,  MD5  and  MD5-sess  based authentication, AES based secure configuration file, SRTP, LS, 802.1x media access controlEnglish, Arabic,  Chinese,  Croatian,  Czech,  Dutch,  German,  Fre&l

Product Name	:	Grandstream GXP2135 IP Phone
Product Code	:	GS322074