How to setup Asterisk with VoIP GSM Gateway HG-4000

proza
Joined: Sun 07 of Aug, 2005

How to setup Asterisk with VoIP GSM Gateway HG-4000

Posted:Thu 19 of Mar, 2009 (10:24 UTC)
CONNECTING ASTERISK WITH VOIP GSM GATEWAY
By following the setup instructions in this document, Asterisk users will be able to save money on telephony call costs by taking advantage of low mobile-to-mobile call tariffs. The Asterisk IP-PBX configured with the VoIP GSM Gateway HG-4000 will be able to originate calls from Asterisk to the GSM networks, as well as receive calls from GSM to Asterisk – up to 72 simultaneous calls.

Asterisk users benefit from cost-effective fixed to VoIP calls. By connecting Asterisk to the h323 VoIP interface of the VoIP GSM Gateway HG-4000, Asterisk users can save money and benefit from a cost-effective alternative for fixed-to-mobile or mobile-to-fixed telephone calls too. In addition, users can benefit from expanded VoIP connectivity and increased reliability.

Benefits of using Asterisk with HG-4000:

• g729, g723, g711 codec translation
• Supports GSM, 3G/UMTS and CDMA
• Free CPU resources
• Save g729 licensing costs
• Increased system stability
• On-board codec transcoding
• Larger call volume

The VoIP GSM Gateway HG-4000 is a bi-directional gateway which is designed to transfer calls from VoIP to GSM and vice versa, from GSM to VoIP. It is a scalable VoIP GSM Gateway that can handle from 8 up to 72 GSM – VoIP channels, and is available with Multi-SIM (4 SIM cards per channel), with up to 288 SIM cards.

GSM GATEWAY CONFIGURATION:

VoIP HG-4000 Settings:

SEE IMAGE: http://hyperms.com/images/VoIPpar.jpg

Set definitions as follows (or make sure they already exist)
Disable H245 Tunneling=Yes
Disable Fast Start=Yes
User Input Indication=string

ASTERISK INSTALLATION:

Download Asterisk from http://asterisk.org , and follow the instructions to install Asterisk.
Note: For those using h323, you will also need to install ooh323 channels driver from the Asterisk add-ons package.

ASTERISK CONFIGURATION:

Once the HG-4000 is set, you have to configure Asterisk.
On the Asterisk side, you have to setup files as follows:

Ooh323.conf

; GSM VOIP Gateway HG-4000
allow=all
dtmfmode=h245signal
faststart=no
h245tunnelling=no
context=from-hmgw

extensions.conf

; ******* handle GSM calls in asterisk *******
[from-hmgw]
exten => _X.,1,answer
;add your code here
; ******* transfer calls to GSM gateway connected through H323 interface ******
[to-hmgw]
exten => _X.,1,dial(ooh323/${EXTEN}@192.168.0.2)
exten => _X.,n,hangup 

CONNECTING ASTERISK WITH VOIP GSM GATEWAY PAGE: http://www.hyperms.com/solutions/asterisk-with-voip-gsm-gateway.aspx

For further information or assistance please visit www.hyperms.com or contact lior@hyperms.com .


Matti Broza
Hypermedia Systems Ltd.
Tel: +972-8-9363077
Fax: +972-8-9363066
matti@hyperms.com
http://www.hyperms.com