DBL Technology EP-636 User Manual
1 Overview
1.1 General Information
EP-636 is a low-priced IP telephone developed by
DBL Technology
himself. It is compatible
with H.323 V4 and SIP V2, possessing single file of English letters and single file of digital LCD
displayer and achieving full dulplex hands-free call. When it is disposed into H.323, EP-636 can
cooperate with GK and GW of most H.323. It also has perfect H.450 protocol to complete all
telecom value-added services such as call transfer, call forward, call waiting, etc.. Cooperating
with soft exchange system, it can totally replace traditional PBX or KEY LINE PHONE. It can
also be used as LAN phone or hot-line phone. When it is disposed into SIP, EP-636 can cooperate
with most SIP system. Besides having popular g.723 and g.729, it can use low-priced GSM voice
compression algorithms. This model is the first-selected one for telecom operators and the main
type exported by
DBL Technology.
1.2 Compliance
SIP
2.0
H323 V4 Standard
Transmission Control Protocol/ User Datagram Protocol/ Internet Protocol (TCP/UDP/IP)
Real Time Protocol (RTP)
Hyper Text Transfer Protocol (HTTP)
Address Resolution Protocol (ARP)
Domain Name System (DNS)
Dynamic Host Control Protocol (DHCP)
Network Time Protocol (NTP)
G.711 a-law and u-law, GSM, G.723, G.729a/b/ab Voice Codec
Caller ID Display or Block, Call Waiting, Call Hold, Call Transfer, Call Forward, in-band and
out-of-band DTMF (RFC2833), and Dial Plans
Conferencing, hands-free loudspeaker, phonebook, last number redial, call log, volume
control, and voicemail message indicator
BASIC and DIGEST authentication (MD5, MD5-sess)
Proprietary Firewall-Pass-Through Technology
Simple Traversal of UDP over NAT (STUN)
Web-base
Management
PPP over Ethernet (PPPoE)
PPP Authentication Protocol (PAP)
Internet Control Message Protocol (ICMP)
TF TP Client
User account authentication using MD5
Out-band DTMF Relay: RFC 2833 and SIP Info
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