Grandstream Networks HT701 User Manual page 18

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 Yes, DHCP Client only
Server/Client
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 Web interface or via secure encrypted AES or non-encrypted central configuration
Management 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.
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,
Features hold, forward, 3-way conferencing, message waiting, Do-Not-Disturb (DND), call-
return service
HT70X User manual
Version 1.0.9.4
P a g e | 17