OBi302 VoIP Telephone Adapter with 2-Phone Ports

Detailed Technical Specifications
OBi302 VoIP Telephone Adapter with 2-Phone Ports, Router & USB
With Support for SIP, OBiTALK VoIP Services and T.38 Fax-over-IP
With the OBi302, you are able to provide your customers the best possible experience when connecting to your
hosted VoIP services. Via the its two (2) on-board phone connections as well as via the Internet to other OBi
endpoints via Obihai’s free OBiTALK network or up to four (4) available SIP-based VoIP services, the OBi302 can make
and receive phone calls and faxes as well as bridge mobile, fixed line and Internet telephone services. The OBi302
supports the T.38 fax standard for reliable facsimile calls over the Internet.
The OBi302 is equipped with a 2-port router/bridge with support for integrated quality of service (QoS). The OBi302
may be installed in a variety of environments the existing modem, router or switch does not have an available
Ethernet port and/or locations where upstream voice traffic needs to be prioritized above other types of traffic like
web surfing and uploading pictures and movies. The OBi302 USB port serves multiple purposes. Using the OBiWiFi
Wireless Adapter, the OBi302 can be placed anywhere within range of an 802.11b/g/n access point. Or, the USB port
can be connected to a storage device to enable local and remote access of stored files over the Internet by
authorized users.
The OBi302 is a dedicated device, built with a high-performance system-on-a-chip platform to ensure high quality
voice conversations. The OBi302 has high availability and reliability because it is always-on to make or receive a call.
With the OBi302, a computer is not required and a computer does not need to be on to talk to people. To get
started, all that’s needed is a phone, power and a connection to the Internet.
The OBi302 is Complemented by Other OBi Products & Services
OBiTALK: A web portal for device management and service configuration. OBiTALK also allows its members to add
people and associated OBi endpoints to “circles of trust” such that additional functionality can be shared amongst
authorized users. The OBiTALK portal is also where members can download the OBiON applications for smart phones
and Internet connected devices like the iPhone, iPad, iPod touch & Android.
OBiON iPhone, iPad, iPod touch & Android Devices: An application for iPhone, iPad, iPod touch and Android devices
which makes possible placing and receiving calls to/from other OBi endpoints.
OBiON PC: A middleware application for a PC that facilitates placing and receiving calls to/from other OBi endpoints.
Key Features of the OBi302 VoIP Telephone Adapter:
SIP Service Provider Support for Up to Four (4) SIP Accounts
Any Available Service Can be Accessed from Each Phone Port Independently
Aggregation / Bridging of Four (4) SIP Voice Services and One (1) OBiTALK Service
Automatic Attendant for Simplified Call Routing (AA)
Call Back Service – Automatic Call Back to Connect User to the AA to Make a New Call or Ring the Attached Phone
OBiTALK Web Portal Integration
Configuration and Management of OBi Endpoints
Download OBi Client Applications for Smart Phones, Internet Devices & PCs
Creating & Joining Circles of Trust So You Can Share Your OBi
Setting Up Your OBi Endpoint Speed Dial Directory
Configurable to Work with Any SIP Compliant Internet Telephone Service
Analog Phone Impedance Agnostic
Robust Telephony Features:
Caller ID – Name & Number
Call Waiting
Message Waiting Indication - Visual and Tone Based
Speed Dialing of 99 OBi Endpoints or Numbers
Three Way Conference Calling with Local Mixing
Hook Flash Event Signaling
Call Forward - Unconditional
Call Forward on Busy
Call Forward on No Answer
Call Transfer
Anonymous Call
Block Anonymous Call
Do Not Disturb
Call Return
Repeat Dialing
Powerful Call Routing & Voice Service Features:
SIP Support for Voice and Fax Over IP (T.38 and G.711 pass-thru) from Internet Telephony Service Providers
OBiTALK Managed VoIP Network for OBi Endpoint Devices & Applications
High Quality Voice Encoding Using G.711, G.726, G.729, iLBC Algorithms
Recursive Digit Maps & Associated Call Routing (Outbound, Inbound)
Browse Obihai Devices
Hardware Designer
Obihai Technology, Inc.
Model Name
Release Date
June 2012
Width of Machine Word
32 bit
Instruction Set
FXS SLIC (Subscriber Line Integrated Circuit): Phone 1 / Phone 2
Ringer Specifications
Ring Frequency: 14Hz – 68Hz
Ring Waveform: Trapezoidal, Sinusoidal
Ring Voltage: 55v – 85v
Maximum Ring Load
5 REN (Ringer Equivalence Number)
Configuration Settings
Recursive Digit Map & Associated Outbound Call Routing
On-Hook Tip Ring Voltage: 30v – 52v
Off-Hook Current Max: 15mA – 45mA
Impedance: 12 Independent Settings
DTMF Playback Level: -90 dBm – 3dBm
Caller ID Method: Bellcore, ETSI (FSK or DTMF)
Caller ID Trigger (Before / After First Ring, Polarity Reversal)
Channel Tx Gain: -12dB to 6 dB at 1 dB Resolution
Channel Rx Gain: 12dB to 6 dB at 1 dB Resolution
Silence Detect Sensitivity
Hook Flash Time Max
Hook Flash Time Min
CPC Delay Time
CPC Duration
Idle Polarity
Connect Polarity
Management – Configuration
Local Access Interface
IVR, Web Page – Password Protected (Admin & User Level Log-in)
Remote Access Interface
Syslog (Multi-Level Granularity), Invokable via SIP Notify, Web, Provisioning
Device Web Page Standard
HTTP v1.1, XML v1.0
Remote Provisioning
XML via TFTP or HTTP, TR069 / TR104
Secure Remote Provisioning
SSL via HTTPS , Encrypted XML via HTTP or TFTP – Dedicated User Name & Password
Secure Remote Firmware Update
Encrypted Binary File via TFTP or HTTP + Dedicated User Name & Password
OBi-ZT: Obihai Zero-Touch Automatic Customization & Configuration **
Call History (CDRs)
Call Detail Records on OBi Web Page, Export to XML
LED Indications
Power, Device Status, Upgrade Progress Status, Ethernet Activity, PHONE Status
RTP Statistics
RTP Transport Type
Audio Codec Type (Tx/Rx)
RTP Packetization - ms (Tx/Rx)
RTP Packet Count (Tx/Rx)
RTP Byte Count (Tx/Rx)
Peer Clock Differential Rate - PPM
Packets In Jitter Buffer
Packets Out-Of-Order
Packets Interpolated
Packets Late (Dropped)
Packets Lost
Packet Loss Rate %
Packet Drop Rate %
Jitter Buffer Length - ms
Received Interarrival Jitter - ms
DTMF Digits Received
Jitter Buffer Underruns
Jitter Buffer Overruns
Sequence Number Discontinuities
Skew Compensation - ms
Session Information
SIP Session Status
OBiTALK Status
Phone Port Status (Phone 1 and Phone 2)
Primary SIP Service Set-Up Wizard
Dedicated Device Web Page for Quick ITSP Account Set-Up
System Settings Back-Up / Restore
Save & Restore Configuration via XML file to / from a Local Folder
Local Access Interface
IVR Password
Remote Access Interface
User Name & Password Access via HTTP, TFTP – HTTPS
Device Web Page Standard
HTTP v1.1, XMLv1.0
Secure Remote Provisioning
Network – Application Details
Data Networking
MAC Address (IEEE 802.3)
UDP (RFC 768)
TCP (RFC 793)
IP version 4 (RFC 791) – Static IP and DHCP Support
ICMP (RFC 792)
ARP - Address Resolution Protocol
Domain Name System (DNS) A Records (RFC 1706) & SRV Records (RFC 2782)
RTP (RFC 1889, 1890)
RTCP (RFC 1889)
DHCP Client (RFC 2131)
LAN (Computer) Port May be Configured as a Router or Bridge
DHCP Server (RFC 2131)
DHCP Client Reservation
PPPoE (Point-to-Point Protocol over Ethernet) client (RFC 2516)
MAC Address Cloning
Port Forwarding
DiffServ (RFC 2475) – Independently Configured: Service, SIP & Media
ToS (RFC 791, 1349) – Independently Configured: Service, SIP & Media
VLAN Tagging (802.1p) – Independently Configured: Service, SIP & Media
SNTP (RFC 2030) – Primary & Secondary NTP Servers
Firewall with:
- DRDOS Attack Protection
- VPN Pass Through
- NAT Redirection
DMZ Mode
QoS Features
- Upstream Data Rate Allocation
- Highest Priority (Voice) Bandwidth Allocation
- Priority Class Assignments (4) for Bandwidth Allocation
- DiffServ Code Point (DSCP) to Priority Class Mapping
VPN Pass-Thru
- IPsec ESP (IP Security encapsulating security payload)
- PPTP (Point-to-Point Tunneling Protocol)
- L2TP (Layer 2 Tunneling Protocol)
Four (4) Service Provider Configuration Profile Assignments (ITSP 1-4)
Four (4) Service /Trunk Subscription Profile Assignments (SP 1-4)
SIPv2 (RFC 3261, 3262, 3263, 3264)
SIP over UDP
SIP over TCP
SIP over TCP with TLS
4 SIP Service Provider Service Sessions – Concurrent Operation
2 OBiTALK Service Sessions
SIP Proxy Redundancy – Local or DNS Based SVR, Primary & Secondary Fallback List
Restrict Source IP Address
Maximum Number of Sessions – Independent per Service
Trunk Groups (4)
Voice Gateway – Direct Dialing (8)
G.711 A-Law (64 kbps)
G.711 µ-Law (64 kbps)
G.726 (32 kbps)
G.729ab (8 kbps)
iLBC (13.3, 15.2 kbps)
Codec Pre-selection Code
Voice Processing per SIP Service – TX/RX Audio Gain, Echo Cancellation
Adjustable Audio Frames per Packet
Codec Name Assignment
Codec Profile per SIP SP (2) & OBiTALK Service
Dynamic Audio Payload
Packet Loss Concealment
Jitter Buffer (Adaptive)
VoIP cont.
Call Progress Tones
SUBSCRIBE / NOTIFY Framework (RFC 3265)
NOTIFY Dialog, Line Status
SUBSCRIBE Message Summary
VoIP NAT Interworking
DATE Header Support
Remote-Party-ID (RPID)
P-Asserted-Identity (PAID)
RTP Statistics in BYE Message
Media Loopback Support
Configurable Contact List (Inbound Call Routing)
Automatic Attendant (English) with Configurable Answer Delay
PIN Access Control to AA (Up to 4 PINs)
Recursive Digit Map for Call Routing (AA, Phone, Voice Gateways, Trunk Groups)
AA Configurable Outbound Call Routing Rule
SIP Service Configurable Inbound Call Routing Rule (2)
Direct / Single-Stage Dialing (Route to Voice Gateway)
Fax Pass Through (G.711)
T.38 Fax Relay for Real-Time Fax over IP
Modem Pass Through (G.711)
In-Band DTMF (G.711)
Out of Voice Band DTMF (RFC 2833)
Out of Voice Band DTMF (INFO Method)
Call Progress Tone Generation
Tone Profile per SIP SP and OBiTALK service
Ring Profile per SIP SP and OBiTALK service
Star Code Profile per SIP SP and OBiTALK service
Full Duplex Audio
G.165, 168 Echo Cancelation
VAD – Voice Activity Detection
Silence Suppression
Comfort Noise Generation
Three Way Conference Calling with Local Mixing
Hook Flash Event Signaling
Flash Hook Timer
Caller ID – Name & Number per Bellcore, ETSI and DTMF
MWI – Message Waiting Indicator
Visual Message Waiting Indication (VMWI)
Daylight Savings Time Support – North & South Hemispheres
Caller ID Enable /Disable
Caller ID Number
Caller ID Name (Alphanumeric)
Caller ID Spoofing (OBiTALK Calling)
Call Waiting
Maximum Session Control
Call Forward - Unconditional
Call Forward on Busy
Call Forward on No Answer (Ring Count Configurable)
Call Transfer Enable / Disable
Anonymous Call Block
Anonymous Call
Do Not Disturb
Call Return
Repeat Dialing
Configurable Call Progress Tone
Call Progress Tone Profiles (2)
Dial Tone
Busy Tone
Ringback Tone
Reorder Tone
Confirmation Tone
Holding Tone
Call Progress Tones cont.
Star Code Configuration
Second Dial Tone
Stutter Tone
Howling Tone
Prompt Tone
Call Forwarded Tone
Conference Tone
SIT Tones (1-4)
Ringing & Call Waiting Tone Configuration
Ring Patterns (10) - Configurable
Call Waiting Tone Patterns (10) - Configurable
Call Waiting Tone Pattern Profiles (2)
Configurable Start Codes
Star Code Profiles (2)
Call Return
Activate Block Caller ID
Deactivate Block Caller ID
Block Caller ID Once
Unblock Caller ID Once
Activate Call Forwarding (All Calls)
Deactivate Call Forwarding (All Calls)
Activate Call Forward on Busy
Deactivate Call Forward on Busy
Activate Call Forward on No Answer
Deactivate Call Forward on No Answer
Activate Block Anonymous Calls
Deactivate Block Anonymous Calls
Activate Call Waiting
Deactivate Call Waiting
Activate Do Not Disturb
Deactivate Do Not Disturb
Activate Repeat Dial
Deactivate Repeat Dial
Interfaces & Indicator Lights
Internet (WAN)
1 x 10/100BaseT Ethernet Port (802.3)
1 x 10/100BaseT Ethernet Port (802.3)
Phone (FXS)
2 x RJ-11 FXS Analog Phone Ports
USB 2.0 (For use with OBiWiFi, ObiBT and Storage Devices)
Reset Button
Yes – Located on Bottom of Case
5 – Power/Status, Ethernet Activity (WAN), Ethernet Activity (LAN), Phone 1, Phone 2
LED Indications
Power On, Status, Upgrade in Progress Status, Packet RX/TX, Phone Port Status
FCC Part 15
Yes – Class B
Yes – Power Adapter
Operating Temperature
0º to 45º C (32º to 113º F)
Storage Temperature
-25º to 85º C (-13º to 185º F)
Operating Humidity
10% to 90% Non-condensing
Non-operating Humidity
10% to 90% Non-condensing
Physical Attributes
(width x depth x height)
10.5 cm x 11.4 cm x 3.0 cm
4.1 in x 4.5 in x 1.2 in
Unit Weight:
255 grams / 9 ounces
Shipping Weight
390 grams / 14 ounces (Including Power Supply, Ethernet Cable and Packaging)
Wall & Desktop Mountable
Power Supply
Universal Switching with Fixed US, EU, UK Style Plug Prongs (Model Dependent)
Input Power
AC Input: 100 to 240 Volts 0.3A 50-60Hz (26-34 VA)
Output Power
DC: +12V 1.0 Amp Max
Carton Specifications
Units Per Carton
20 Units
Carton Dimensions
36.0 cm x 33.0 cm x 26.8 cm – 14.2 in x 13 in x 10.5 in
Carton Weight
8.2 Kilograms / 18 pounds
Cartons Per Std. 20 / 40 ft Container
896 / 1,848 Cartons – Non-palletized
Active Internet Connection
Analog Touch Tone Phone
Access to Internet Via a Switched Ethernet Port on Home or Office Router
(Optional) Active Internet Phone Service Subscription with All Required SIP
Credentials to Make & Receive Calls
Quick Start / Installation Guide
User / Administrative Guide
Implementation Guide for Service Providers **
Package Contents
OBi302 Voice Service Bridge and Telephone Adapter
12v Power Adapter (100-240v Auto-Switching)
1 x RJ-45 Ethernet Cable (80 inches / 203 centimeters)
Quick Start / Installation Guide
1-Year Hardware (Limited)
Engineering & Design Location
California, USA
HST Code
Data Sheet State
All content subject to change.
This data sheet is not a warranty.
Data Sheet Version
** For Service Providers Only
iPhone, iPad and iPod touch are trademarks of Apple Computer, Inc.
OBi, OBiAPP, OBiON and OBiTALK are trademarks of Obihai Technology, Inc.
All other trademarks mentioned in this document are property of their respective owners.
This document is provided by Obihai Technology for planning purposes only. No warranty is implied.
Obihai Technology does not warrant the availability or quality of the OBiTALK network. Furthermore, Obihai
Technology will not be liable to you or any third party for any costs or damages arising directly and or indirectly
from the use of this product’s hardware & software including without limits any damage, or for any loss whatsoever.
©2010-2012 Obihai Technology, Inc. All rights reserved.
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