Allo.com GSM Series User manual

GSM Digital Telephony Card User Manual
www.allo.com Version 2.0 1

GSM Digital Telephony Card User Manual
www.allo.com Version 2.0 2
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Information in this document is subject to change without notice and should not be construed as a
commitment on the part of Allo.com. And does not assume any responsibility or make any
warranty against errors. It may appear in this document and disclaims any implied warranty of
merchantability or fitness for a particular purpose.

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About this manual
This manual describes the Allo product application and explains how to work and use it major
features. It serves as a means to describe the user interface and how to use it to accomplish common
tasks. This manual also describes the underlying assumptions and users make the underlying data
model.
Document Conventions
In this manual, certain words are represented in different fonts, typefaces, sizes, and weights. This highlighting
is systematic; different words are represented in the same style to indicate their inclusion in a specific
category. Additionally, this document has different strategies to draw User attention to certain pieces of
information. In order of how critical the information is to your system, these items are marked as a note, tip,
important, caution, or warning.
Icon
Purpose
Note
Tip/Best Practice
Important
Caution
Warning
Bold indicates the name of the menu items, options, dialog boxes, windows and functions.
The color blue with underline is used to indicate cross-references and hyperlinks.
Numbered Paragraphs - Numbered paragraphs are used to indicate tasks that need to be carried out.
Text in paragraphs without numbering represents ordinary information.
The Courier font indicates a command sequence, file type, URL, Folder/File name e.g. www.allo.com
Support Information
Every effort has been made to ensure the accuracy of the document. If you have comments, questions, or
ideas regarding the document contact online support: http://support.allo.com

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Table of Contents
About this manual........................................................................................................................ 3
Document Conventions ...............................................................................................................3
Overview ..........................................................................................................................................5
Features .......................................................................................................................................5
GSM Card Installation ...................................................................................................................... 6
Unpacking the Card......................................................................................................................6
Shipment Inspection....................................................................................................................6
Hardware Installation: .................................................................................................................6
Slot compatibility:........................................................................................................................6
Power supply:................................................................................................................................... 7
Indication LEDs:................................................................................................................................8
GSM modules and SIM cards ...........................................................................................................9
Introduction of GSM Module:........................................................................................................ 10
Features: ....................................................................................................................................10
Hardware Setup procedure ........................................................................................................... 10
Software Installation...................................................................................................................... 11
Installation Test Environment considered.................................................................................12
Hardware detection...................................................................................................................12
Dependencies installation ......................................................................................................... 14
Compiling & Installation of Asterisk...............................................................................................15
GSM Driver Installation..................................................................................................................16
Sample Configuration ....................................................................................................................21
Sample extensions.conf............................................................................................................. 23
Sample sip.conf..........................................................................................................................24
Checking GSM modules& SIP peers using asterisk CLI ..............................................................24
Limitations......................................................................................................................................26
Specifications .................................................................................................................................26
Hardware and Software Requirements..................................................................................... 27
Reference ....................................................................................................................................... 27
Glossary and Acronyms.................................................................................................................. 28

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Overview
The GSM Series cards are PCI/PCIe base cards. The GSM Series cards are designed to handle the
GSM calls with Asterisk. These are act as Gateway card which will interface with GSM based PSTN
network with the Asterisk based IP network.
VoIP communication needs the capability to mediate between endpoints supporting different
Networks, but this requires Gateway functionality.
Asterisk, is capable of terminate the some type of calls with other calls, such as terminating the SIP
based IP calls with H323 based calls. But it is lacking the call terminating capability with the
PSTN/GSM network.
This GSM card will add Gateway capability and provides excellent voice quality, without affecting
latency or using up precious host CPU resources.
The GSM card comes with bundled software to make the product architecture independent.
The GSM Series cards are capable of handling up to 4 bi-directional GSM terminating calls. All calls
are fully indemnified no additional licensing is required for their use.
Allo.com GSM card is a telephony PCI/PCIe card used for varies PBX software, e.g. Asterisk etc. with
compatible drivers,
Features
Capable of doing the gateway functionality.
Suitable for PCI/PCIe 1.0 slots
Simultaneous 4 calls can be terminated to the Gateway.
Supports alaw codec

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GSM Card Installation
Unpacking the Card
When you unpack your card, carefully inspect it for any damage if present please contact and report
to Allo.com support.
Shipment Inspection
The following items are included in the shipment of the GSM card:
GSM PCI/PCIe card.
Antennas
Hardware Installation:
There are some points should be paid attention to setup GSM card.
Slot compatibility:
GSM PCI/PCIe is compatible with 32-bit 5.0V PCI slot (slot2); And PCI_exp is compatible with PCI-E
×1 slot (slot1). You should confirm your slot type, and then insert GSM_PCI Card into a PCI slot. PCI
and PCI-E slots are showed as follows
Figure 1: Slots
PCI-E ×1 slot
32-bit 5.0V PCI slot

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Power supply:
Power Selection in Jumper Settings
Jumper (J 58) short 2&3
GSM Card gets power comes from PCIe Bus
Jumper (J 58) short 1 & 2
GSM card gets the power from SMPS Power
supply. Connect the SMPS Power supply to Molex
connector of the card
By Default Jumper settings will be 2&3, which use the power supply from the PCIe Bus.
If GSM Modules are not registering properly to the network, if its recommend to use power
from the SMPS.
Figure 2: Power selection in Jumper Settings

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Indication LEDs:
There are 5 LEDs on the board and one LED for Power Indication. And 4 LED’s for network status of
Each SIM card. The detail explanations are as followings:
Figure 3: LED Indication
Reference
LED Status
Power Status
D3
ON
ON
OFF
OFF
Reference
LED Status
GSM Module Status
D22,D19,D17,D13
OFF
OFF
Permanent ON
ON; not registered on the network
Slow flash LED ON for 200
ms, OFF for 2 s
ON; registered on the network
Quick flash LED ON for
200 ms, OFF for 600 ms
ON; registered on the network,
communication in progress
Very quick flash LED ON
for 100ms, OFF for 200ms
ON; software downloaded is either
corrupted or non-compatible ("BAD
SOFTWARE")

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GSM modules and SIM cards
SIM cards work at the Quad-Band E-GSM/DCS/GSM850/PCS GPRS/EGPRS 900/1800/850/1900. One
GSM module supports one SIM card and one antenna, please plug a SIM card into the back of a GSM
module and activate it. For more details, please refer to figure 3 &4.
Figure 4: GSM Modules

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Figure 5: SIM Card Placement
Introduction of GSM Module:
The Q2687 Refreshed Wireless CPU® is a self-contained E-GSM/DCS/GSM850/PCS-GPRS/EGPRS
900/1800/850/1900 quad-band Wireless CPU®. It supports a powerful open software platform
(Open AT®).
Features:
One SIM card per GSM module
DTMF detection
GSM data connections
DIGITAL audio quality
Monitors GSM signal strength by command and 4 LEDs.
Power consumption(MAX): 30W (4 channels)
Support external antenna
Hardware Setup procedure
Power off your PC, remember unplug the AC power cable
Place SIM cards for GSM modules