Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Russian / Portuguese / Spanish Speaker

Sip Phone, Voip Phone, Pstn Phone manufacturer / supplier in China, offering DBL One Line VoIP SIP IP Phone (EP-636), DBL SIM Bank32 Remote Controller SIM Server, Remote 32 SIM Cards SIM Bank SMB32 and so on.

Gold Member Since 2010
Audited Supplier

DBL One Line VoIP SIP IP Phone (EP-636)

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $55.3/ Piece
Production Capacity: 10000PCS/Month
Transport Package: Packing Box Dimension: 27.5*22.8*8.8cm
Payment Terms: T/T, Paypal
Type: IP Phone
Trademark: DBL
Origin: Guangdong

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Basic Info

Model NO.: EP-636

Product Description


EP-636 IP phone is based on ITU-H. 323 V4 and IETF SIP V2 open standards.
It is designed for the ease of installation and setup. The PoE option simplify the installation in a PoE LAN environment.
The second Ethernet Port allows the existing PC to be connected to the phone directly without addition an additional Ethernet Hub or Switch.
Various configuration modes allow the user / system administrator to configure the phone automatically or quickly.

Key Features

Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
All standard PBX functions
One call appearances support two simultaneous calls
Two 10/100 Ethernet circuits connect to the LAN and an additional device
3-Line LCD (Icons, Alphabets/Numbers, Numbers)
Buttons and keys for all commonly used functions
Message waiting indicator
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
Full duplex speaker phone
VLAN and QoS support
NAT Transversal and router functions
Power over Ethernet (PoE) or AC/DC adapter
Menu, HTTP Web, Auto Provision support for configuration and updates
Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Phone Features

Call forward
Call transfer
Call hold
Display caller ID
Display call duration
Display date and time
Access voice mail
Send DTMF tones
Message waiting indication (MWI)
100 phone book entries
30 most recent call records for dialed, incoming, and missed calls
Adjustment of LCD contrast (4 levels)
Adjustment of handset volume (6 levels)
Adjustment of speaker phone volume (6 levels)

Enhanced Features

Dynamic selection of codec
Advanced jitter buffer
Automatic traversal of NAT and firewall
VLAN / Qos
Echo cancellation for Speakerphone
Comfort noise generation (CNG)
Voice activity detection (VAD)
Auto provisioning (requires auto provisioning server)
On line firmware upgrade
Multi-language support: English and Chinese

Supported Standards

ITU: H. 323 V4, H. 225, H. 235, H. 245, H. 450
RFC 2327 -SDP
RFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
RFC 2976 -SIP INFO Method
RFC 3261 -SIP
RFC 3264 -Offer/Answer model with SDP
RFC 3515 - SIP REFER Method
RFC 3842- A Message Summary and Message Waiting Indicator
RFC 3489 -Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
RFC 3891 - SIP "Replaces" Header
RFC 3892- SIP Referred-By Mechanism
Draft-ietf-sipping-CC-transfer-04 -Session Initiation Protocol Call Control - Transfer
Codec: G. 711 (A/µ Law), GSM, G. 729A/B, G. 723.1
DTMF: RFC 2833, In-band DTMF, SIP INFO

Physical and Environmental

Operating temperature: 10° C to 40° C (50° F to 104° F)
Storage temperature: 0° C to 50° C (32° F to 122° F)
Weight: 0.7 kg (1.4 lb). Shipping weight (box of 10) 8 kg (17.5 lb)
Size: 160 mm (W) x 215 mm (L) x 65 mm (H) (6.25" x 8.5" x 2.5")
Power: 12 Vdc 500 mA from included AC adapter (Classification 0 under IEEE 802.3af on CN2x2p)
Safety: IEC60950
Emissions: FCC part 15A, ANSI C63.4, EN55022 class B, EN61000-3
Immunity: EN55024
Warranty: One year
Hardware Characteristics Parameters Remarks
Model EP-636  
Processer ARM9 133MHz  
DSP VP-101-1 196MHz  
RAM 16W  
Flash 4W  
Power supply DC 12V/500mA + - 10%  
Power consumption Max  3W  
LCD Characters & numbers , TSTN  
Network Card 10/100BASE-T ×2  
Weight 1.3KG  
Operating temperature 0-45 Centigrade  
Working humidity 40%--90% non condensation  
Color Black  
Approved CE , FCC  
PSTN Line 1  
Warranty 1 year  

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