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FIRMWARE VERSION 1.0.3.1 HT70X USER MANUAL Page 13 of 52
HT70X FEATRUES
The HT70X is a full feature voice and fax-over IP device that offers a high-level of integration including a
10M/100Mbps network port and one FXS telephone port, market-leading sound quality, rich
functionalities, and a compact and lightweight design. The VoIP network signaling protocol supported is
SIP. The HT70X is fully compatible with SIP industry standard and can interoperate with many other SIP
compliant devices and software on the market. Moreover, it supports comprehensive voice codecs
including G.711 (a/µ-law), G.723.1, G.726-32, G.729 and iLBC.
SOFTWARE FEATURES OVERVIEW
Supports Voice Codecs:
G.711 (a/µ-law), G.723.1, G.726-32, G.729 and iLBC.
T.38 Fax
Comprehensive Dial Plan support for Outgoing calls.
G.168 Echo Cancellation
Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss
Concealment (PLC)
Supports PSTN/PBX analog telephone sets
TABLE 4: HT70X SOFTWARE FEATURES
HT 701
HT 702
HT 704
Telephone Interfaces
1 FXS ports
2 FXS ports
4 FXS ports
SIP Provisioning
1 Sip Account, 1 Profile
2 Sip Accounts, 2 Profiles
4 Sip Accounts, 2 Profiles
Number of
Concurrent Calls
1 Concurrent Call
2 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