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sell VOIP phone on promotion

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Item specifics

Product name: sell VOIP phone on promotion

Product Description

Supports SIP 2.0 .Supports TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols DHCP support for LAN or Cable modem .PPPoE support for ADSL or Cable modem Supports IP address dynamic (DHCP) system Supports multi-method NAT traversal and anti-virus crossing Compliant with ITU-T standard and DTMF form and check Supports codecs G.723.1 (5.3K/6.3K), G.729A/B, iLBC, G.726, G.728, and wide-band G.722 sound coding and decoding Supports dynamic sound check VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control) Dynamic sound technology with sound quality as good as traditional telephones Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality Support standard voice features such as Caller ID Display or Block, Call Waiting, Hold, Transfer Forward, FLASH, in-band and out-of-band DTMF (RFC2833), Dial Plans, off-hook auto dial, configurable emergency dialing (e.g., 911), early dial, click-to-dial Jitter control adn packet loss concealment technology; Support multi-net construction Auto–manual indication Built-in world clock auto time display Has single or dual network ports (10 BaseT) Support dial code regulation based on E.164 Support TFTP remote upgrade English language IE setting Dialed, received number check Speed dial function Emulate telephone dialing. Easy volume adjustment IP-to-IP and point-to-point communication HiFi low delay net sound communication Local IP number, local number check Instant plug and play Full duplex hands-free speakerphone superior frequency

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Mrs. Cindy zhangShenzhen Httel Network Communication Co.,Ltd

  • Tel:0086-755-26642791-808Fax:0086-755-26648240Mob:
Subject: Inquiry about voip phone
Code: Refresh

voip phone Supplier

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