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