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:Mon 17 of Nov, 2008 (10:42 UTC)
CONNECTING ASTERISK with VOIP GSM GATEWAY HG-4000
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 (SEE: http://www.hyperms.com/index.asp?mainpage=prod_enlarge&prodcat=2602&prodtbl=260200&prodid=46) 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: http://www.hyperms.com/images/ast-voip.png

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

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

Link to support page: http://www.hyperms.com/index.asp?mainpage=prod2&prodtbl=160000

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