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

See all Grandstream Networks items
Grandstream Networks HT704: Picture 1 thumbnail Grandstream Networks HT704: Picture 2 thumbnail
Free Shipping

See all shipping options

In Stock Online - Usually ships within 1-2 Days learn more

Protect Your Investment:

Add a Protection Plan
  • Add a protection plan
  • New Leaf 1 Year Replacement Plan + $19.95
  • New Leaf 3 Year Extended Warranty + $34.95
  • New Leaf 3 Year Drops & Spills Extra Protection + $49.95
  • New Leaf 5 Year Drops & Spills Extra Protection + $74.95

Our Price

Buy more and save
Quantity Discount

The quantity discount will be reflected in your shopping cart

About 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
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
Diffserve, TOS, 802.1 P/Q VLAN tagging
Transport Protocol
DTMF Method
Flexible DTMF transmission method, user interface of In-audio, RFC2833 and/or SIP Info
IP Signaling
SIP (RFC 3261)
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
Dial Plan
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
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"
Share this item: is top rated for customer serviceHACKER SAFE certified sites prevent over 99.9% of hacker crime.