Express Talk is a SIP client softphone supported by Windows OS (Win98/ME/2000/XP/2003). You can install it on you personal computer or at your workplace and communicate with your friends and colleagues. For this purpose we assume that you already have installed Asterisk PBX server and have some basic knowledge in Asterisk configuration. If you want to read some tutorials you can start from here.
When you start the application for first time you will be prompted to adjust your audio and network settings. You may cancel the adjustment and do it manually later on. Here is the outlook of the phone.
If you need a wizard to set or readjust your audio and network settings you can find them in Talk – respectively Audio Setup Wizard and Network Setup Wizard. Other way to adjust these settings is from the Settings button in the left-hand side panel or from the main menu choose Talk/Settings or View/Settings.
Here is how the wizard helps you to do the audio settings.
I use USB sound card so I have chosen the appropriate settings for my audio device. In most of the cases the soundcard is VIA.
Select the recommended options and click Finish to close he wizard.
To View and/or adjust all the other entire settings click the Settings button.
Here I prefer to leave the default settings. As you see you can adjust the softphone not to initialize at your system startup. Further on are the Audio settings which you have to do if you have not done this with the wizard’s help.
The next step is the Network setup which again can be done with wizard’s support from the main menu – Talk/Network Setup Wizard.
I am not using STUN servers and static IP address so I leave these options unchecked. I prefer to set dynamic IP address.
In Lines options you have to register the user that will use the softphone and your telephone network. This user has to be the one registered in Asterisk as well (/etc/asterisk/sip.conf – as this phone is SIP client you can register just SIP users) and also you have to register a valid extension on which this user can be called. As you see I register user called ‘myself’ on my Asterisk’s server IP address – 10.3.3.36. If you do not know the IP address of your asterisk server you can find it out by typing ifconfig when logged on the server. I will show you below the asterisk configuration for the user.
From View/Address Book you can look at your Address Book – add new user and contact them easily and directly from the address book.
ASTERISK CONFIGURATION
This shows how the user is registered in sip.conf.
type=friend
This means that the user can place call and can be called.
secret=myself
This is the secret that you have to type when doing the lines settings for the softphone.
context=test
This is the context that will provide the valid extensions for the user.
host=dynamic
The is set to dynamic which means that you can use the phone from different computers within your local network. If you wish you can set a static IP address here.
Now we will write the extension at which the user can be contacted.
As you see above when someone dials 1234 he/she will contact the user that we have registered. You can also dial the user by name. When dialing myself you will be send to extensions number 1234 which dials the user.
You will enter the standard extension when you dial invalid number:
exten => i,1,Playback(invalid) - which plays an audio file exten => i,2,Goto(s,1) - sends you to the standard extension with priority 1
The standard extension Answers you after a second, and all called data which is available will be displayed in the CLI. Next a welcome message is played and you are send to the voicemail. When you leave the message a goodbye message is played and the operator hangs you up.
To register a voicemail go to /etc/asterisk/voicemail.conf. Here is how I do this.
vi /etc/asterisk/voicemail.conf
Then in voicemail.conf
[vm-test]
creates voicemail context
1111 => 1111,securax,mail@domain
register mailbox 1111 with password 1111 to the user securax that has email mail@domain.
Note: Remember to reload Asterisk every time you make any changes to the configuration files. Just go to the CLI and type reload.
For more information about how to make the configurations in the Asterisk's configuration files please read our tutorial about the Configuring IP Phones for use with Asterisk
User Comments
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neeraj (desh dot bhagt at yahoo dot com) 23 May 2009 20:08:43 how i recharge the express talk with Amount formake a call????
j.d (info at saiminerals dot com) 06 October 2008 14:22:43 dear sir
i have express talk software setup i dont have proper knowledge for voip or sip please how can i use this software please give me information in informal language because i am not technical sound person ..thank you hope for your reply thank you j.d
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dhananjay (dhananjay_nit at rediffmail dot com) 17 March 2008 10:57:24 hi
i am implmenting sip proxy server according to rfc3261.i want to send OPTIONS,INFO,MESSAGE request from sip client.
can any tell me how can i do that
thank u
dhananjay
Stephanie Lee (stephanie dot lee at nchsoftware dot com) 20 December 2007 00:47:48 Please note that the latest Express Talk softphone is compatible with Vista and now supports Video. We also have a version for Mac OS X and Pocket PCs.
NCH Software
www.nch.com.au/talk
hasan (alameer622 at hotmail dot com) 04 December 2007 09:28:54 Welcome for all
i m trying to transfer between calls between SIP softphone (Express talk) but it did not work.
I have done all the Procedures that nessary for transfer applications but it didn't work at all. I adeed tT to all the peers
exten=> 102,1,Dial(SIP/102||tT)
exten=> 105,1,Dial(SIP/105||tT)
exten=> 106,1,Dial(SIP/106||tT)
exten=> 107,1,Dial(SIP/107||tT)
is there any hint to activate this application on my network?
shan (shan at khojavoip dot com) 05 September 2007 00:42:35 i have that software but if anyone could tell me plzz, does that supports the codecs G729 and G73 instead of cauze my sevice got only these codecs
1 (1 at hotmail dot com) 12 June 2007 07:56:37 11
david (durizar at gmail dot com) 06 June 2007 22:09:26 there is install the program express talk but doesn't eat to configures so that it supports codecs sip or 729g codecs, do I maybe lack some patch or setting? i don`t no...
thanks you to receive my question...
Elaine (elaine at padies dot com) 19 May 2007 14:03:14 I downloaded express talk for mac - and configured it for my voip provider. I can make a call, but cannot hear anything my end. the setup wizard sez I need to manually setup my router since it is "symetric" and to refer to the manual under networking. I do not have accesss to the manual! what do I do?
so sunnara (sosunnara at yahoo dot com) 14 May 2007 13:01:53 Why your softphone has no call log?
I would like to buy your softphone if it has call log.
Zafar Jadoon (zkjadoons at gmail dot com) 24 January 2007 23:13:43 Hello everybody,
I need help, I want to use asterisk with expresstalk on my local area network. any body who help me to configure asterisk and expresstalk for local area network where i want to use our extension 300 to 399.
Hope someone listening and will try to help me out.
thanks
ereen boo (purvee_aa at yahoo dot com) 26 December 2006 06:41:05 bvc
Thuy (thuy_thisofa at hotmail dot com) 05 December 2006 11:54:14 I wold like to setup Express
jyh665 (ewrt at weetr dot co dot we) 19 October 2006 09:32:27 Hi
San (sansat at hotmail dot com) 27 July 2006 17:05:46 Hi
I am trying to configure express talk with trixbox in same lan and it does not connect.
I have configured as shown above, but it does not connect.
I see the below in logs:
10:48:09 SIP Private IP is: 192.168.135.1:5061
10:48:09 Unable to auto-detect public IP. Using private IP
Not sure how its getting 192.168.135.1, the machines IP on which its installed, it is 10.10.10.0 network ?
Pls help.
alfred (fabretti at gmail dot com) 05 June 2006 19:10:02 Anyone is having problems of delay with this softphone? talking to the microphone will produce delay output after some minutes of talk. This is a delay caused in the soundcard, not network.
bhavesh r (admin at micromann dot com) 26 May 2006 15:43:07 hi,
Can somebody provide the command line for transfer function in express talk .
Also is there any possibility to add g729 codec in this softphone ?
thanks in advance
goodluck
bhavesh r (admin at micromann dot com) 26 May 2006 15:42:08 hi,
Can somebody provide the command line for transfer function in express talk .
Also is there any possibility to add g729 codec in this softphone ?
thanks in advance
goodluck
Jeff Chia (jeffrey dot chia at hotmail dot com) 05 May 2006 05:56:04 Hi All, i have succesfully installed Asterisk Server and configured Express Talk to comunicate with the Server. The problem now is, when i ring an extension, when the user picks up the call, both users were not able to hear any voice conversation. When i made the call, i was able to hear the ringing tone, but there were no voice communication heard during the call were made.
If you ever encountered this problem, pls do let me know how to solved it, apart from that, everything seems to work fine. TQ
Laurent ARTUSIO (laurent dot artusio at wanadoo dot fr) 04 May 2006 13:25:18 Hi.
I am experiencing problems with asterisk / Express Talk. Due to some kind of registration timeout, I get disconnected every hour, more or less. After the time-out, Express Talk is no longer reachable.
I know that the SIP protocol should send a 'REGISTER' message to the pbx regularly, but express talk seems to do it only when I start it.
Is there a way to configure Express Talk in order to make it register regularly ?
I have a hard-phone which does, and encounters absolutely no registration problems.
Thanx in advance
Lacho (support at asteriskguru dot com) 25 April 2006 11:34:16 Hi beginprogramer,
Change the setting for "Sip Account Number" from "1234" to "myself" and then try again. This should do the job. I also do not see your settings for "secret", so make sure that the "secret" in sip.conf and the "password" in the ExpressTalk are equal.
Please, in future time use our forum for questions and the comment section for comments. In this way there is a bigger chance to find the solution of your problem. Thanks in advance.
Regards
Lacho
beginprogramer (beginprogramer at yahoo dot com) 24 April 2006 12:13:52 Dear Sir,
I have an problem when installing the Asterisk system in my LAN.
I checked out the newest version of Asterisk and installed it in an FC4 server (with IP: 192.168.100.143). After that, I created the example conf files by the command: make samples
Then, with the sip.conf file, I added the lines:
[myself]
type=friend
username=myself
callerid=myself
secret=myself
host=dynamic
context=test
In the voicemail.conf file, I added the lines:
[vm-test]
1111 => 1111,securax,root@localhost
I installed the ExpressTalk (version 1.04) in a PC which is installed Window XP with the IP: 192.168.100.24. In the "Settings" window of ExpressTalk, I set the lines with the following information:
Settings for Line: Default Line Settings
Display name: myself
Sip Account Number: 1234
Server: 192.168.100.143
But after that, the Asterisk service did not run well. It returned the error messages:
Apr 24 16:50:25 NOTICE[32688]: chan_sip.c:11653 handle_request_register: Registration from '<sip:1234@192.168.100.143>' failed for '192.168.100.24' - Username/auth name mismatch
I tried much times, it always returned the same result. I think I did wrong way.
Please help me to solve this problem.
Thank you very much.
Edwin Panotes (edwin_panotesjr at yahoo dot com) 04 January 2006 01:34:20 I am interested in this freeware.