Phone Commander. Version 1.0
Download free version (1Mb)
Phone Commander is a free portable softphone that you can use to make and receive VoIP phone calls from your PC, iPhone or Android based smartphone.
Phone Commander like a telephone to let you make calls through your computer. Call anyone via the internet who also has a softphone installed and if you sign up with a VoIP gateway service company you call regular telephone numbers as well.
The advantage of using Phone Commander is that you can leverage low cost or free VoIP calls and you can connect to the company SIP PBX and work remotely.
Easy to use and powerful Windows program was designed for people who want to improve dynamic interactions with contacts and to manage contact information. It supports multiple SIP accounts and save calls history.
See all contact information for incoming calls. For example, you can see Firstname, Lastname, Birhdate, Company name and other information before call answering. Keep detailed records and notes in your call log about each call and contact.
You can use Phone Commander as a customer database, or personal contact address/phone book, working with groups for managing contact info of individuals and organizations with relationships. Phone numbers, emails, web pages, faxes, pagers, addresses, customer notes - you can save all this data in an organized format.
You can dial phone numbers in one click via Internet. Program has a simple intuitive interface and quick and easy contact lookup. Import and export features are also available.
Attractive and easy-to-use organizer & PIM will keep track of your contacts, addresses, distribution lists, manage your schedule, remind about appointments, and keep your daily notes in order, store your contacts and call by one click. The slick user interface makes it a snap to find addresses and phone numbers, enter reminders.
With its intuitive & familiar interface, users can seamlessly transition from a traditional hard phone environment into the world of Voice over IP. Also by making the navigation simple and user friendly, Phone Commander provides users with easy access to address book management.
The program detects DTMF user input, sends DTMF (Inbound, SIP INFO, RFC2833), supports G.721 A-law/Mu-law, GSM.610, Speex. You can select audio In/Out Devices.
SIP NAT Network Address Translation
SIP NAT Network Address Translation Firewall
> ABOUT SIP > SIP FIREWALL AND NAT TRAVERSALSIP Firewall and NAT Traversal
SIP Firewall and NAT Traversal
TUTORIALS
www.ingate.com) Solving the Firewall/NAT Traversal Issue of SIP: Who Should Control Your Security Infrastructure?
Best practices for SIP NAT traversal
Paradial Whitepaper - Connectivity Challenges for Real-time IP Communications - How NATs and firewall issues are solved efficiently and securely
NAT Traversal in SIP
LINKS AND RESOURCES
IETF RFC 3489 - STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
Using Asterisk as a SIP/IAX Gateway - The Asterisk open source telephony server can be used as a gateway in order to avoid SIP NAT Traversal.
SIPfoundry - The NAT & Firewall Traversal Problem
SIP Foundry - SIP NAT Traversal using the Astaro Security Linux Firewall
SIP Foundry - Introduction to STUN Servers
Sourceforge Project: STUN Client and Server library - This project implements a simple STUN (Simple Traversal of UDP through NATs) server and client on Windows, Linux, and Solaris.