Mobilink Infinity :: Freeswitch :: One Way Audio

If you are facing one way audio issue with freeswitch for all outgoing calls via mobilink infinity trunk , all you need to do is to edit conf/vars.xml and set EXT_SIP_IP & EXT_RTP_IP to 192.168.100.1 . That’s it , your one way audio issue will be resolved .

Howto configure Mobilink Infinity VoIP on Freeswitch

You can configure your mobilink infinity VoIP number on Freeswitch aswell , Freeswitch is a very nice alternative to Asterisk with a SIP stack that actually works! BKW @ #freeswitch on irc.freenode.net helped me with this

Here is the conf/sip_profiles/external/mobilink.xml settings

<include>
<gateway name=”mobimax”>
<param name=”username” value=”725xxxx”/>
<param name=”password” value=”Your_Password”/>
<param name=”proxy” value=”10.215.11.250″/>
</gateway>
</include>

Here’s the dialplan entry conf/dialplan/extensions/000_myext.xml

<include>
<extension name=”enum”>
<condition field=”destination_number” expression=”^(0300\d+)$”>
<action application=”bridge” data=”sofia/gateway/mobimax/$1″/>
</condition>
</extension>
</include>

Oh by the way , for this, make sure the SIP ALG on your outdoor cpe is turned on , while the indoor one needs to be off

Have fun!

Reverse SSH Tunnel

ISPs in PK don’t generally allow incoming traffic to your public IP rendering it useless, this is a real pain , when you want to access your machine from a remote location. The solution to it is a reverse ssh tunnel, which will work in the following way

[Home Machine] ==> {Middle Machine} ==> {You}

So you’ll map a port from your home machine to your middle machine , which when connected to from the middle machine will forward all traffic to your home machine. I’ll give an example on howto acheieve it.

On home machine , do this

user@home$ ssh -N -f -R 2222:localhost:22 user@middle-machine

Enter the password for your middle machine and that’s it.

Now you can connect to the middle machine from any where in the world and do

user@middle-machine$ ssh user@localhost -p 2222

and it will forward it to the ssh server running on your home machine.

Oh btw, you’ll need to change the following in /etc/ssh/sshd_config

TCPKeepAlive yes
ClientAliveInterval 30
ClientAliveCountMax 99999

Have fun

Howto Use Wateen on Your Softphone

Here’s the info on howto use your wateen number on your softphone from anywhere in the world!

User name: 051800XXXX
Authorization User: 051800XXXX@wateen.com
Domain: wateen.com
Proxy: 58.27.240.22:9060
You can get the Wateen user name from support@wateen.com

Howto register your Mobilink Infinity VoIP number on Softphone

Here are the SIP settings , if you want to use your VoIP number from Mobilink Infinity on a softphone.

You’ll have to first logon to your CPE admin interface , Browse to NAT -> ALG and Uncheck “SIP ALG” and click Apply. If you use an outdoor unit , do the same with the outdoor CPE as well.

Fireup x-lite and configure it with the following settings.

Server: 10.215.11.250
Port: 5060
UserID: 725XXXX
Password: Your wi-max password
Domain: Hauwei.com
Authentication User: 725XXXX

Have fun

Mobilink Wimax

Here’s my post / first review of Mobilink Infinity , A new WiMax service by Mobilink GSM in Pakistan.

I just subscribed to Mobilink Infinity for 1Mbps connection. The installers came over and installed it , the over all installation experience was okay , apart from the fact that they don’t provide you the CPE password , so you cannot do any port mapping / port forwarding, so had to fight with them to get the access. The
installers told me that its a 256K connection which will be shifted to 1mbps profile by tomorrow , which on repeated requests today was shifted to 1mbps.

The service in general is pathetic , i dont know if its just me or the overall user experience , but I get wayy high ping times ( 818ms to google ) and around 14 – 20 % packet loss all the time , My 1mbps wi-max gives me around 10 – 14k ( http://tinyurl.com/5jo2ez ) where my 512kb PTCL dsl downloads fine from the same machine.

Oh while I am at it , the VoIP service they provide with the Wimax is pathetic as well , it gets disconnected again and again, the voip quality sucks and incoming calls rarely work , people tell me they get number un-reachable even when calling from Mobilink.

By the way , I am a Wateen Wi-max , Worldcall , PTCL DSL & Link.NET DSL customer and comparing Mobilink’s Wimax service with them.

Here are my scores

Installation : 7/10
Service : 0/10  ( it doesn’t work! )
Voip : 4/10
Customer Support : 8/10

I hope someone from Mobilink can help me out.

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