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  • Juan Ortega, Thu 15 of May, 2008 [10:33 UTC]: Hi everybody, I'm Juan, an ITCom student, and I need to know what basic elements I need to create a VoIP network. Can anybody helpme, please?,Thank you very much
  • gineta, Wed 14 of May, 2008 [03:58 UTC]: any here not fine the configuration of firewall juniper -screem for VOIP asterisk????
  • Anoop Prabhakaran, Tue 13 of May, 2008 [12:16 UTC]: I am developing Asterisk IVR, Whenever i make a internation call to the IVR system, the DTMF is not getting detected properly, this happens only for the first time, second call onwards system works fine. why this is happening
  • joe, Mon 12 of May, 2008 [04:27 UTC]: Is there an opensource browser based softphone, or a system like Busta where everything is not manages through their website?
  • Nick Barnes, Fri 09 of May, 2008 [11:36 UTC]: Christopher - yesterday I tried an Asterisk install on a CentOS 5.1 box with stock GUI and it all worked fine. Sorry I can't help.
  • aero, Fri 09 of May, 2008 [08:20 UTC]: can someone help me out on this, i tried to play some sound files on my asterisk box and this is the error message i got. WARNING[4429]: format_wav.c:169 check_header: Unexpected freqency 22050 May 8 11:17:39 WARNING[4433]: codec_gsm.c:194 gsmtolin_fra
  • Christopher Faust, Thu 08 of May, 2008 [14:15 UTC]: I beleive that I may have to change something in the xserver configuration. Please advise
  • Christopher Faust, Thu 08 of May, 2008 [14:14 UTC]: Everything was perfect. In the bios I have increased the memory allocated Still receive input not supported on my display.
  • Christopher Faust, Thu 08 of May, 2008 [14:13 UTC]: This would not be my main box. I am doing some testing to see if I can install zaptel and asterisk 1.4 on a full centos 5.1 box with development software Its bizzare, because before I went through the asterisk and zaptel installation everything was perfe
  • Nick Barnes, Thu 08 of May, 2008 [13:44 UTC]: Christopher - I can't see any way in which an Asterisk installation would muck your GUI, but remember that it is advised not to use a GUI on an Asterisk box anyway.
Server Stats
  • Execution time: 0.39s
  • Memory usage: 2.23MB
  • Database queries: 32
  • GZIP: Disabled
  • Server load: 0.55

Free VOIP Publications

There are many magazines either focused directly on VOIP or that are useful for information about related topics such as networking, telephone systems, etc.

www.voip-info.org is happy to make available totally free subscriptions to many technical magazines. The only catch is that you must be a qualified industry professional. i.e. there is some chance that you might be a buyer for or influence the purchase of the products and services advertised in these magazines. Each magazine usually has a short qualification form to fill out.

I have subscribed to many of these magazines for years and found them very useful.


Should you have any problems with this service, please let me know.

Thanks
support@voip-info.org

Examples of Magzines available:
  • Packet Magazine - Provides the latest on Cisco technologies and products, including tech tips, configurations, and links to online resources...
  • Total Telecom - "The Economist of the communications industry"
  • Communications News - Serves the decision makers responsible for networking, voice data, and video communications technologies at enterprise and service provider organizations, both in print and online...
  • RCR Wireless News - Is the only weekly newspaper covering wireless, has met this challenge, offering a mix of breaking news and in-depth analysis into the issues that mold today's wireless telecommunications environment....
  • Network Computing - Provides labed solutions for your toughest enterprise-wide computing challenges.
  • Oracle Magazine Contains technology strategy articles, sample code, tips, Oracle and partner news, how to articles for developers and DBAs, and more
  • xchange - Covers revenue-generating service-delivery strategies for full-service facilities-based providers — from incumbents to competitors — serving metro and rural residential and business communities.
  • Many more


Examples of Whitepapers available:
  • Best Practices for VoIP Security - Defines industry best practices for Enterprises to secure both enterprise networks and the voice traffic riding on these networks....
  • Defending eBusinesses and Hosting Service Providers from DDOS Attacks - Discusses defenses required for Service Providers and ebusinesses to protect their servers from such attacks....
  • 90 Page IP Telephony Pocket Guide - Describes the issues decision makers will need to understand as they set out to build a winning IP business communications strategy...
  • Customers Rate IP Telephony Systems - This independent report (not sponsored by ShoreTel) includes a comparative assessment of the top IP telephony vendors.
  • FierceVOIP - Is a free twice-weekly email service for elite executives in the voice over IP and IP telephony market...
  • VOIP Security for Telecom OEMs - How to build robust security into carrier-grade devices Discuss how to ensure the security and availability of new services such as VOIP over Unlicensed Mobile Access (UMA) and IP Multimedia Subsystem (IMS) architectures...
  • Many more

Thoses ones are free and very interresting

This resource is public and interesting for voip comunity:

News, white papers and articles about voip:

Have a question on VoIP, get it answered here
Created by jht2, Last modification by linkx on Wed 14 of May, 2008 [10:20 UTC]

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Re:Vip Fone To Call Free JUst By watching vedio

by Valter James on Wednesday 06 of February, 2008 [06:30:48 UTC]
Packet8.net provide the best and cheap service all over the world. For more information Please contact: <a href=http://www.packet8.net/business_services/>pbx</a>

@ rupesh

by GehirnJogging on Friday 25 of January, 2008 [17:41:48 UTC]
yes, where is the point?

Re: Vip Fone To Call Free JUst By watching vedio

by rupesh on Friday 04 of January, 2008 [08:52:39 UTC]

Re: Vip Fone To Call Free JUst By watching vedio

by rupesh on Friday 04 of January, 2008 [08:51:34 UTC]

Re: Vip Fone To Call Free JUst By watching vedio

by rupesh on Friday 04 of January, 2008 [08:49:02 UTC]

Re: Vip Fone To Call Free JUst By watching vedio

by rupesh on Friday 04 of January, 2008 [08:45:20 UTC]

VoIP Security Solutions

by jenniferhan on Thursday 27 of December, 2007 [06:35:09 UTC]
SpeedVoIP is a professional VoIP Security and VoIP anti blocking solutions provider.
The core solution for VoIP Security and VoIP anti-blocking is VGCP (VoiceGuard Control Protocol).
It can work with any 3rd-party Softphone / ATA / Gateway / IP Phone / IADs and SIP proxy or server.
It can work in the way similar to that of SOHO router, but it only encrypts and decrypts SIP and RTP packets on link layer, not to handup these packets to IP stack for forwarding while bypassing other data packets originating from SIP terminals. In this scenario, peak throughput and minimal CPU overhead can be easily achieved.

VoiceGuard can real-time incorporate light-weight traffic for puzzling and bypassing VoIP blocking system without consuming more bandwidth and compromising voice quality. Even in some circumstance, VoiceGuard can simulate traffic behavior of universal data networking protocol such as OICQ, MSN and so on.

For more information, please refer to: http://www.speed-voip.com/index-36.html

Andy
xd.wong@speed-voip.com
andywong-01@hotmail.com

Please help !!!

by Franklin on Sunday 12 of August, 2007 [01:31:29 UTC]

Hi. I'm relative new to all this. I'm planning to install my current PBX in my office. I'll start first using WindowsXPHome and in a near future change it to a Linux system.

In my office we have 2 phone lines that our provider give us regular RJ11 jacks also we have another 2 lines that current provider use something similar to the:
Grandstream HandyTone 286 SIP Gateway ATA HT286, so the 2 lines are each one in 1 device of those.
In total we have 4 lines. But keep in mind I plan to grow in lines.

Since I'm new in all this I've some questions:

1.- What hardware does I need to connect the 4 lines (2 regular and 2 that comes in ATA) to the asterisk? I supposed I only need a device for the curren 2 regular lines, think that the ones in ATA doesn't need any hardware. But not sure what I need?

2.- For what did you use or recommend using each of this devices:
ATA
Multi External Device
PCI card

3.- Why some ATA mention they are Unlock? Is this only applied to connect it to a VoIp provider?

4.- Which are the differences between FXS y FXO, what are they for?

5.- What do I need to know about SIP and IAX2 protocols?

6.- What does I need to use any standard Phone, instead of softphones and costy
IpPhones? Do I need extra ATAs? or something like that? If so, how many I need? 1 for each extension where I plug a regular phone?

7.- If I use Asterisk to do the following do I need to consider any special hardware? If any of this features is not possible please tell me that to stop dreamin on it:
7.1.- Get into any computer outside my office and with a SoftPhone conect to my office usin ALL the features as if I were there WITHOUT limits.

7.2.- What hardware do I need to use an standard phone in my home, but connected to my office, as I were there, without the need of a computer?

7.3.- I use a PocketPC with version Mobile 2003. Someone told me that something could be done to use my device as something like a SoftPhone and use all the features as I were on my office. What do I need to use this?

7.4.- As I know all of this features are included with Asterisk: Menu Attendant, voice mail that could be read from anywhere, voice mail delivered to email, MP3 music while onhold, CallRecording. All of them are truly included? Do I need extra hardware for any of them?

Thank you for your help. Write to me at fcanavati@gmail.com

ARI

by Shaman King on Monday 02 of July, 2007 [09:12:30 UTC]
Hello, I encountered error in the ARI Recordings. It says
Path is not a directory: /var/spool/asterisk/voicemail/default/102

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