Download our latest NYC retail store ad here for our weekly specials!
Grandstream Networks

Grandstream Networks HandyTone HT704 4-fxs-Port Analog Telephone Adapter, 4 FXS Ports, 4 Sip Accounts, 2 Profiles

Ships in 1-2 business days
Why Adorama?
Easy Returns, Fast Shipping, Trusted for over 35 years.

Need help? Call 800-223-2500 212-741-0052

Our Price

Free Shipping
Add to Wishlist In Stock

Protect your investment

About the Grandstream Networks HT704

Grandstream HandyTone HT704 is next generation, powerful 4-port IP ATA Analog telephone adapter for residential users and small businesses. Their compact size, superb voice quality, rich functionalities, strong security protection, excellent manageability and auto provisioning, as well as unrivaled affordability enable service providers to offer high quality IP voice service at extremely competitive price. The HT704 is ideal 4-port ATAs for large scale commercial IP voice service deployment.

Grandstream Networks HT704 Features

  • 4 FXS port supporting 3 REN and single 10/100M Ethernet port
  • LEDs for Power, Internet, LINK/ACT and Phone status
  • Advanced telephony features including caller ID, call waiting, 3-way conference, transfer, forward, do not disturb, message waiting indication, multi-language voice prompt, T.38 Fax, flexible dial plan
  • Support comprehensive voice codecs including G.711 with Annex I/II, G.723.1, G.729A/B, G.726, iLBC
  • Strong security protection of voice/data privacy using TLS/SRTP/HTTPS, secure and automated provisioning using TR069 and HTTP/HTTPS/TFTP

Grandstream Networks HT704 Specifications

Telephone Interfaces 4 FXS ports
SIP Provisioning 4 Sip Accounts, 2 Profiles
Number of Concurrent Calls 4 Concurrent Calls
Voice over Packet Capabilities Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), Dynamic Jitter Buffer, Modem detection & auto-switch to G.711, Packetized Voice Protocol Unit (supports RTP/RTCP protocol), G.168 compliant Echo Cancellation, LEC (line echo cancellation) with NLP, Asymmetric RTP stream
Voice Compression G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.723.1, G.726- 32(ADPCM), G.729, iLBC, G.726-32 provides proprietary VAD, CNG and signal power estimation, Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic gain control), Status output, Decoder controlling via voice packet header
DHCP Server/Client Yes, DHCP Client only
Telnet Server Yes
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass- through, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay
QoS Diffserve, TOS, 802.1 P/Q VLAN tagging
Transport Protocol RTP/RTCP
DTMF Method Flexible DTMF transmission method, user interface of In-audio, RFC2833 and/or SIP Info
IP Signaling SIP (RFC 3261)
Provisioning TFTP, HTTP, HTTPS, TR-069, XML
Control TLS/SIPS, SIP over TCP/TLS
Device Management Web interface or via secure encrypted AES or non-encrypted central configuration file for mass deployment using Grandstream binary file or xml format. Auto/manual provisioning system or via built-in IVR.
NAT-friendly remote software upgrade (via TFTP/HTTP/HTTPS) for deployed devices including behind firewall/NAT. Syslog support. Full support of TR-069 management protocol and Telnet access.
Factory Reset Button Yes
Dial Plan Yes
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT and DTMF-based CID
Call Handling Caller ID display or block, Call waiting caller ID, Call waiting/flash, Call transfer, hold, forward, 3-way conferencing, message waiting, Do-Not-Disturb (DND), call-return service
Environmental Operational: 32deg.-104deg.F or 0deg.-40deg.C
Storage: 14deg.-140deg.F or -10deg. -60deg.
Humidity: 10-90% Non-condensing
Universal Switching Power Adaptor Input: 100-240 VAC/50-60 Hz 0.18A Max
Output: 12VDC, 1A, UL certified
Dimensions (HxWxD) 28x115x75mm / 1.10x4.52x2.95"
Feedback is top rated for customer service HACKER SAFE certified sites prevent over 99.9% of hacker crime. BBB Accredited Business