Svtel india IP Phone is a next generation IP network telephone based on industry open standard SIP (Session Initiation Protocol). Built on innovative technology, Svtel india IP Phone features market leading superb sound quality and rich functionalities at mass-affordable price.

Key Feature

• Support SIP 2.0 (RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP, NTP, PPPoE, STUN, TFTP, etc.
  
  
• Powerful Digital Signal Processing (DSP) technology to ensure superior audio quality
  
  
• Advanced and patent pending adaptive jitter buffer control, packet delay and loss oncealment technology
  
  
• Support various codecs including G.711 (PCM a-law and u-law), G.723.1 (5.3K/6.3K), G.729A, G.726 (32K) and iLBC
  
  
• Support standard voice features such as numeric Caller ID Display, Call Waiting, Hold,Transfer, Forward, 3-Way Conference, in-band and out-of-band DTMF, off hook autodial, auto answer.
  
  
• Support syslog, full duplex hands-free speakerphone, redial, call log, volume control, voice mail with indicator, downloadable ring tones.
  
  
• Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
  
  
• Support standard encryption and authentication (DIGEST using MD5, MD5-sess)
  
  
• Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
  
  
• Support automated NAT traversal without manual manipulation of firewall/NAT
  
  
• Provide easy configuration through manual operation (phone keypad), Web interface or automated centralized configuration file via TFTP or HTTP.
  
  
• Support firmware upgrade via TFTP or HTTP.